Harley Davidson Softail Delux FLSTN BIKE 2011-2015. Electrical Diagnostics — page 9

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em01353

Battery

Hazard

Fuse

Left Turn

Switch

LHCM

RHCM

Switch

Right Turn

Switch

[24B] [24A]

[22A-1] [22B-1]

W/BK

W/R

BK/GN

R/O

[20A] [20B]

BCM

Speedometer

CAN High

W/R

CAN High

CAN Low

W/BK

CAN Low

Right Front Turn Signal

BE/O

R/O

Power

BK/GN

Right Turn Indicator

Left Front Turn Signal

BE/PK

Ground

Right Rear Turn Signal

BE/BN

BE/PK

Left Turn Indicator

Left Rear Turn Signal

BE/V

[39B] [39A]

BE/PK

Left Turn

Indicator

BE/O

Right Turn

Lamps

R/O

Power

[21B] [21A]

[31A]

[31B]

GND 1

Left Front

Turn Lamp

Right Front

Turn Lamp

GND 2

[7A]

FXST, FLSTSB

FLSTN

FLST/C/F

[7B]

[94B]

[94A]

Circuit

Board

[18A]

[19A]

[18A]

[19A]

[18A]

[19A]

[18B]

[19B]

[18B]

[19B]

[18B]

[19B]

Right

Left

Right

Left

Right

Left

Rear

Turn

Signal

Lamp

Figure 5-22. Turn Signal Circuit: Except FXS/B and FLS

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em01522

Front Left

Front Right

Turn Lamp

Battery

Fuse

Hazard

LHCM

Left Turn

Switch

RHCM

Switch

Right Turn

Switch

[24B] [24A]

[22A-1] [22B-1]

W/BK

W/R

BK/GN

R/O

[20A] [20B]

Speedometer

BK/GN

Ground

BCM

R/O

Power

CAN High

W/R

CAN High

CAN Low

W/BK

CAN Low

Right Front Turn Signal

BE/O

Right Turn Indicator

Left Front Turn Signal

BE/PK

Left Turn Indicator

Right Rear Turn Signal

BE/BN

[39B] [39A]

Left Rear Turn Signal

BE/V

BE/PK

Left Turn

Indicator

BE/PK

Not

BE/O

Right Turn

Lamps

Used

BE/O

R/O

Power

GND 1

GND 2

[31A]

FXS/B

Rear Left

[19B]

[18B]

Rear Right

Turn Lamp

BE/V

BE/BN

[19A]

[18A]

FLS

[19B]

[18B]

Figure 5-23. Turn Signal Circuit: FXS/B and FLS

2013 Softail Diagnostics: Accessories, Horn, Lighting and Security 5-27

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DTC B2151

DTC B2153, B2154

PART NUMBER

TOOL NAME

PART NUMBER

TOOL NAME

HD-41404

HARNESS CONNECTOR TEST KIT

HD-41404

HARNESS CONNECTOR TEST KIT

HD-50390-1

BREAKOUT BOX

HD-50390-1

BREAKOUT BOX

HD-50390-2

BCM CABLE

HD-50390-2

BCM CABLE

HD-50390-2-P

BCM OVERLAY

HD-50390-2-P

BCM OVERLAY

Table 5-17. DTC B2151 Diagnostic Faults

Table 5-18. DTC B2153, B2154 Diagnostic Faults

POSSIBLE CAUSES

Open in left rear turn signal ground circuit

Left rear turn signal bulb current too high

Open in left rear turn signal power circuit

Accessory lighting overloading circuit

Short to voltage in left rear turn signal power circuit

Short to ground in left rear turn signal power circuit

Bulb malfunction

1. Bulb Test

1. Turn IGN OFF.

2. Remove left rear turn signal bulb.

3. Clear DTCs.

3. Inspect bulb.

4. Activate left turn signal.

4. Is bulb good?

5. Did DTC return?

a. Yes. Go to Test 2.

b. No. Replace bulb.

2. Ground Circuit Open Test

2. Power Circuit Short to Ground Test

1. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

1. Turn IGN OFF.

41404), test continuity between bulb socket ground and

2. Connect BREAKOUT BOX (Part No. HD-50390-1) and

ground.

BCM CABLE (Part No. HD-50390-2) to wire harness

2. Is continuity present?

[242B], leaving

[242A] disconnected. See

1.2 DIA-

a. Yes. Go to Test 3.

GNOSTIC TOOLS.

b. No. Repair open in (BK) wire.

3. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

position on BOB.

3. Power Circuit Open Test

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

1. Turn IGN OFF.

41404), test continuity between BOB terminal K4 and

ground.

2. Connect BREAKOUT BOX (Part No. HD-50390-1) and

BCM CABLE (Part No. HD-50390-2) to wire harness

5. Is continuity present?

[242B], leaving [242A] disconnected.

a. Yes. Repair short to ground in left rear turn signal

power circuit (BE/V) wire.

3. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

position on BOB.

b. No. Replace BCM.

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

41404), test continuity between BOB terminal K4 and left

rear turn signal bulb power circuit socket terminal.

5. Is continuity present?

a. Yes. Replace BCM.

b. No. Repair open in left rear turn signal power circuit

(BE/V).

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4. Is continuity present?

DTC B2156

a. Yes. Replace BCM.

PART NUMBER

TOOL NAME

b. No. Repair open in right rear turn signal power circuit

HD-41404

HARNESS CONNECTOR TEST KIT

(BE/BN).

HD-50390-1

BREAKOUT BOX

DTC B2158, B2159

HD-50390-2

BCM CABLE

HD-50390-2-P

BCM OVERLAY

PART NUMBER

TOOL NAME

HD-41404

HARNESS CONNECTOR TEST KIT

Table 5-19. DTC B2156 Diagnostic Faults

HD-50390-1

BREAKOUT BOX

HD-50390-2

BCM CABLE

POSSIBLE CAUSES

HD-50390-2-P

BCM OVERLAY

Open in right rear turn signal ground circuit

Open in right rear turn signal power circuit

Short to voltage in right rear turn signal power circuit

Table 5-20. DTC B2158, B2159 Diagnostic Faults

Bulb malfunction

POSSIBLE CAUSES

Right rear turn signal bulb current too high

1. Bulb Test

Accessory lighting overloading circuit

1. Turn IGN OFF.

Short to ground in right rear turn signal power circuit

2. Remove right rear turn signal bulb.

1. Bulb Test

3. Inspect bulb.

1. Turn IGN OFF.

4. Is bulb good?

a. Yes. Go to Test 3.

2. Remove right rear turn signal bulb.

b. No. Replace bulb.

3. Clear DTCs.

4. Activate right turn signal.

2. Ground Circuit Open Test

5. Did DTC return?

1. Turn IGN OFF.

a. Yes. Go to Test 2.

2. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

b. No. Replace bulb.

41404), test continuity between bulb socket ground and

ground.

2. Ground Circuit Open Test

3. Is continuity present?

1. Turn IGN OFF.

a. Yes. Go to Test 3.

2. Connect BREAKOUT BOX (Part No. HD-50390-1) and

b. No. Repair open in (BK) wire.

BCM CABLE (Part No. HD-50390-2) to wire harness

[242B], leaving

[242A] disconnected. See

1.2 DIA-

3. Power Circuit Open Test

GNOSTIC TOOLS.

1. Connect the BREAKOUT BOX (Part No. HD-50390-1) and

3. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

BCM CABLE (Part No. HD-50390-2) to wire harness

position on BOB.

[242B], leaving [242A] disconnected.

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

2. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

41404), test for continuity between BOB terminal K2 and

position on BOB.

ground.

3. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

5. Is continuity present?

41404), test continuity between BOB terminal K2 and right

a. Yes. Repair short to ground in right rear turn signal

rear turn signal bulb power circuit socket terminal.

power circuit (BE/BN) wire.

b. No. Replace BCM.

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HEADLAMPS: DTC B2131, B2132, B2133, B2134,

B2136, B2137, B2138, B2139

5.7

DESCRIPTION AND OPERATION

Table 5-21. Code Description

The headlamp switch activates either the high beam or the low

DTC

DESCRIPTION

beam headlamps. When the ignition is turned ON, the BCM

defaults to the low beam position. Pressing the upper part of

B2131

High beam output open

the switch toggles to the high beam headlamp and the lower

B2132

High beam output shorted high

part of the switch toggles to the low beam headlamp.

B2133

High beam output shorted low

•

In the low position, the BCM supplies power to illuminate

B2134

High beam output overloaded

the low beam headlamp.

B2136

Low beam output open

•

Push the low position again, the BCM supplies power to

the high beam headlamp to provide a flash to pass feature.

B2137

Low beam output shorted high

•

In the high position, BCM supplies power to the high beam

B2138

Low beam output shorted low

headlamp and sends a message to the speedometer over

B2139

Low beam output overloaded

the CAN bus to illuminate the high beam indicator.

Conditions for Setting

ed03294

The headlamp DTCs may require either the high or low beam

headlamp be requested on in order to set the DTC. Toggle

back and forth between the high and low beam headlamp

positions to check DTCs on both circuits.

The auxiliary lamps (if equipped) should be turned off when

checking the low beam headlamp circuit. If not, an open DTC

may not show up due to the auxiliary lamps still providing a

load on the circuit.

•

DTC B2131 or B2136 will set if the corresponding head-

lamp circuit draws less than 1.2 Amps.

•

DTC B2134 or B2139 will set if the corresponding head-

lamp circuit draws more than 12 Amps.

Diagnostic Tips

Head lamp [38]

If the vehicle is equipped with auxiliary lamps, an open to the

Front WSS [167]

low beam headlamp will not set a code unless the auxiliary

Instruments [20]

lamps are turned off. If the headlamp cannot be switched from

Left hand control [24]

one position to the other with no codes it could be an open

Figure 5-24. Under Fuel Tank Left Side

switch causing the problem. See 5.9 DTC B1103, B1153,

B2210, B2212, B2250, B2251, B2252, B2253, B2254, B2260,

B2261, B2262, B2263, B2270.

Turn IGN to ACC. If low beam illuminates, this circuit is shorted

to voltage. If the high beam illuminates, this circuit is shorted

to voltage.

Connector Information

For additional information about the connectors in the following

diagram(s) and diagnostic procedure(s), including the color of

the harness test kit terminal probes, see B.1 CONNECTORS.

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em01453

BCM

FLSTC And FLSTN

(Optional)

[73B] [73A]

Auxiliary

Lights

[109A] [109B]

GY/BK

[242A]

GY/BK

Auxiliary

[242B]

Toggle

Lights

Switch

GY/BK

Except Japan

Japan

LHCM

Headlamp

Hi/Low

Switch

[38B]

Headlamp

Except Japan

High

Low

GND

[38A]

W/R

[38B-2] [38A-2]

BE/BK

W/BK

BE/W

[24B] [24A]

BE/Y

Battery

[38B]

Fuse

Headlamp

O/W

High

Low

Japan

Low

[20A]

GND

[20B]

[38B-2] [38A-2]

Speedometer

CAN High

W/R

Chassis

Ground

CAN Low

W/BK

High Beam Indicator

BE/W

[39A] [39B]

GND 2

High Beam

Indicator

Figure 5-25. Headlamp and Auxiliary Lamps

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4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

AUXILIARY LAMPS INOPERATIVE: EXCEPT

41404), jumper [109B] terminals 1 and 2 together.

JAPAN

5. Do auxiliary lamps illuminate?

PART NUMBER

TOOL NAME

a. Yes. Replace auxiliary lamp toggle switch. (5167)

HD-41404

HARNESS CONNECTOR TEST KIT

b. No. Go to Test 5.

5. Auxiliary Lamp Power Circuit Test

Table 5-22. Auxiliary Lamps Inoperative Diagnostic Faults

1. Test voltage between [109B] terminal 1 (Y) wire to ground.

POSSIBLE CAUSES

2. Is battery voltage present?

Auxiliary lamp malfunction

a. Yes. Repair open in (GY/BK) wire between [109B]

Toggle switch malfunction

and [73B]. (5041)

Open in auxiliary power circuit

b. No. Repair open in (Y) wire between [109B] and

Open in auxiliary ground circuit

headlamp switch. (5041)

AUXILIARY LAMPS INOPERATIVE: JAPAN

1. Auxiliary Lamps Operation Test

1. With IGN ON, place headlamp switch in the low position.

PART NUMBER

TOOL NAME

2. Turn on auxiliary lamps.

HD-41404

HARNESS CONNECTOR TEST KIT

3. Do auxiliary lamps illuminate?

a. Yes. System operating properly. Intermittent perform

Table 5-23. Auxiliary Lamps Inoperative Diagnostic Faults:

wiggle test. See

1.3 DIAGNOSTICS AND

Japan

TROUBLESHOOTING, Wiggle Test.

POSSIBLE CAUSES

b. No. Auxiliary lamps and headlamps inoperative.

DTC will be present. Refer to Table 2-1.

Auxiliary lamp malfunction

Toggle switch malfunction

c. No. Only one auxiliary lamp is operative. Go to

Test 2.

Open in auxiliary power circuit

d. No. Both auxiliary lamps are inoperative. Go to

Open in auxiliary ground circuit

Test 4.

1. Auxiliary Lamps Operation Test

2. Auxiliary Bulb Test

1. Turn IGN ON.

1. Inspect bulb.

2. Turn on auxiliary lamps.

2. Is bulb good?

3. Do auxiliary lamps illuminate?

a. Yes. Go to Test 3.

a. Yes. System operating properly. Intermittent perform

b. No. Replace bulb. (5227)

wiggle test. See

1.3 DIAGNOSTICS AND

TROUBLESHOOTING, Wiggle Test.

3. Auxiliary Lamp Circuit Test

b. No. Auxiliary lamps inoperative. DTC will be

1. Turn IGN OFF.

present. Refer to Table 2-1.

2. Disconnect auxiliary lamps [73].

c. No. Only one auxiliary lamp is operative. Go to

Test 2.

3. Turn IGN ON.

d. No. Both auxiliary lamps are inoperative. Go to

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

Test 4.

41404), test voltage between inoperative circuit at [73B]

terminal 1 or 2 and ground.

2. Auxiliary Bulb Test

5. Is battery voltage present?

1. Inspect bulb.

a. Yes. Replace inoperative auxiliary lamp. (5227)

2. Is bulb good?

b. No. Repair open in the (GY/BK) wire between the

a. Yes. Go to Test 3.

toggle switch and [73]. (5041)

b. No. Replace bulb. (5227)

4. Auxiliary Lamp Switch Test

1. Turn IGN OFF.

3. Auxiliary Lamp Circuit Test

1. Turn IGN OFF.

2. Disconnect auxiliary lamp switch [109].

2. Disconnect auxiliary lamps [73].

3. Turn IGN ON.

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3. Turn IGN ON.

2. Headlamp Test

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

1. Turn IGN ON.

41404), test voltage between inoperative circuit at [73B]

2. Observe headlamp in high and low beam positions.

terminal 1 or 2 and ground.

3. Is headlamp only inoperative in high beam position?

5. Is battery voltage present?

a. Yes. Go to Test 4.

a. Yes. Replace inoperative auxiliary lamp. (5227)

b. No. Go to Test 3.

b. No. Repair open in the (GY/BK) wire between the

toggle switch and [73]. (5041)

3. Ground Circuit Open Test

4. Auxiliary Lamp Switch Test

1. Disconnect headlamp [38-2].

1. Turn IGN OFF.

2. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

41404), test continuity between [38B-2] terminal GND and

2. Disconnect auxiliary lamp switch [109].

ground.

3. Turn IGN ON.

3. Is continuity present?

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

a. Yes. Replace headlamp.

41404), jumper [109B] terminals 1 and 2 together.

b. No. Repair open in (BK) ground wire.

5. Do auxiliary lamps illuminate?

a. Yes. Replace auxiliary lamp toggle switch. (5167)

4. Power Circuit Open Test

b. No. Go to Test 5.

1. Turn IGN OFF.

2. Connect BREAKOUT BOX (Part No. HD-50390-1) and

5. Auxiliary Lamp Power Circuit Test

BCM CABLE (Part No. HD-50390-2) between wire harness

1. With IGN ON, test voltage between [109B] terminal 1

[242B] and [242A]. See 1.2 DIAGNOSTIC TOOLS.

(O/W) wire to ground.

3. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

2. Is battery voltage present?

position on BOB.

a. Yes. Repair open in (GY/BK) wire between [109B]

4. Disconnect headlamp [38-2].

and [73B]. (5041)

5. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

b. No. Repair open in (O/W) wire between [109B] ter-

41404), test continuity between BOB terminal M3 and [38-

minal 1 and BCM [242B] terminal L4 (BE/BK) wire.

2] high beam terminal (W) wire.

(5041)

6. Is continuity present?

DTC B2131

a. Yes. Go to Test 5.

b. No. Repair open in (W) or (BE/W) wire between BCM

PART NUMBER

TOOL NAME

and headlamp.

HD-41404

HARNESS CONNECTOR TEST KIT

HD-50390-1

BREAKOUT BOX

5. BCM Test

HD-50390-2

BCM CABLE

1. Connect [38-2].

HD-50390-2-P

BCM OVERLAY

2. With IGN ON, jumper BOB terminal M2 to M3.

3. Does high beam headlamp illuminate?

Table 5-24. DTC B2131 Diagnostic Faults

a. Yes. Replace BCM.

POSSIBLE CAUSES

b. No. Replace headlamp.

Open in high beam ground circuit

Open in high beam power circuit

Headlamp malfunction

1. Bulb Test

1. Turn IGN OFF.

2. Inspect headlamp.

3. Is bulb good?

a. Yes. Go to Test 2.

b. No. Replace headlamp.

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DTC B2132

DTC B2133, B2134

PART NUMBER

TOOL NAME

PART NUMBER

TOOL NAME

HD-41404

HARNESS CONNECTOR TEST KIT

HD-41404

HARNESS CONNECTOR TEST KIT

HD-50424

1.5 MM TERMINAL EXTRACTOR

HD-50390-1

BREAKOUT BOX

TOOL

HD-50390-2

BCM CABLE

HD-50390-2-P

BCM OVERLAY

Table 5-25. DTC B2132 Diagnostic Faults

POSSIBLE CAUSES

Table 5-26. DTC B2133, B2134 Diagnostic Faults

Short to voltage in headlamp high beam circuit

POSSIBLE CAUSES

1. Headlamp Test

Short to ground in high beam headlamp circuit

1. Turn IGN OFF.

Accessory lighting overloading circuit

Headlamp malfunction

2. Using

1.5 MM TERMINAL EXTRACTOR TOOL (Part

No. HD-50424), remove terminal M3 from [242B].

1. High Beam Headlamp Circuit Test

3. Connect [242].

1. Turn IGN OFF.

4. Turn IGN ON.

2. Disconnect headlamp [38-2].

5. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

3. Connect BREAKOUT BOX (Part No. HD-50390-1) and

41404), test voltage between extracted terminal M3 and

BCM CABLE (Part No. HD-50390-2) to wire harness

ground.

[242B], leaving

[242A] disconnected. See

1.2 DIA-

6. Is voltage present?

GNOSTIC TOOLS.

a. Yes. Repair short to voltage in (BE/W) wire.

4. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

position on BOB.

b. No. Go to Test 2.

5. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

2. DTC Test

41404), test continuity between BOB terminal M3 and

ground.

1. Install terminal M3 from [242B]

6. Is continuity present?

2. Connect [242].

a. Yes. Repair short to ground in (W) or (BE/W) wire.

3. Clear DTCs.

b. No. Go to Test 2.

4. Turn IGN ON.

5. Observe headlamp in high and low beam positions.

2. DTC Test

6. Check DTCs.

1. Connect [242].

7. Did DTC reset?

2. Clear DTCs.

a. Yes. Replace BCM.

3. Turn IGN ON.

b. No. Condition is intermittent. See 1.3 DIAGNOSTICS

4. Check DTCs.

AND TROUBLESHOOTING, Wiggle Test.

5. Did DTC reset?

a. Yes. Replace BCM.

b. No. Replace headlamp.

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4. Does low beam headlamp illuminate?

DTC B2136

a. Yes. Replace BCM.

PART NUMBER

TOOL NAME

b. No. Replace headlamp.

HD-41404

HARNESS CONNECTOR TEST KIT

DTC B2137

HD-50390-1

BREAKOUT BOX

HD-50390-2

BCM CABLE

PART NUMBER

TOOL NAME

HD-50390-2-P

BCM OVERLAY

HD-41404

HARNESS CONNECTOR TEST KIT

HD-50424

1.5 MM TERMINAL EXTRACTOR

Table 5-27. DTC B2136 Diagnostic Faults

TOOL

POSSIBLE CAUSES

Open in low beam ground circuit

Table 5-28. DTC B2137 Diagnostic Faults

Open in low beam power circuit

POSSIBLE CAUSES

Headlamp malfunction

Short to voltage in headlamp low beam circuit

1. Headlamp Test

1. Observe headlamp in high and low beam positions.

1. Turn IGN OFF.

2. Is headlamp only inoperative in low beam position?

2. Disconnect BCM [242].

a. Yes. Go to Test 3.

3. Using the 1.5 MM TERMINAL EXTRACTOR TOOL (Part

b. No. Go to Test 2.

No. HD-50424), remove terminal (M4) from [242B].

4. Connect BCM [242].

2. Ground Circuit Open Test

5. Turn IGN ON.

1. Turn IGN OFF.

6. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

2. Disconnect headlamp [38-2].

41404), test voltage between removed terminal (M4) and

3. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

ground.

41404), test continuity between [38B-2] terminal GND and

7. Is voltage present?

ground.

a. Yes. Repair short to voltage in (BE/Y) wire.

4. Is continuity present?

b. No. Go to Test 2.

a. Yes. Replace headlamp.

b. No. Repair open in (BK) ground wire.

2. DTC Test

1. Install terminal M4 from [242B].

3. Power Circuit Open Test

2. Connect [242].

1. Connect BREAKOUT BOX (Part No. HD-50390-1) and

BCM CABLE (Part No. HD-50390-2) between wire harness

3. Clear DTCs.

[242B] and [242A]. See 1.2 DIAGNOSTIC TOOLS.

4. Turn IGN ON.

2. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

5. Check DTCs.

position on BOB.

6. Did DTC reset?

3. Disconnect the headlamp [38-2].

a. Yes. Replace BCM.

4. Test continuity between BOB terminal M4 and [38-2] low

beam terminal (Y) wire.

b. No. Condition is intermittent. See 1.3 DIAGNOSTICS

AND TROUBLESHOOTING, Wiggle Test.

5. Is continuity present?

a. Yes. Go to Test 4.

b. No. Repair open in (Y) or (BE/Y) wire between BCM

and headlamp.

4. BCM Test

1. Connect headlamp [38-2].

2. Turn IGN ON.

3. Jumper breakout box terminal M2 to M4.

2013 Softail Diagnostics: Accessories, Horn, Lighting and Security 5-35

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[242B], leaving

[242A] disconnected. See

1.2 DIA-

DTC B2138, B2139

GNOSTIC TOOLS.

PART NUMBER

TOOL NAME

4. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

position on BOB.

HD-41404

HARNESS CONNECTOR TEST KIT

HD-50390-1

BREAKOUT BOX

5. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

41404), test continuity between BOB terminal (M4) and

HD-50390-2

BCM CABLE

ground.

HD-50390-2-P

BCM OVERLAY

6. Is continuity present?

a. Yes. Repair short to ground in (Y) or (BE/Y) wire.

Table 5-29. DTC B2138, B2139 Diagnostic Faults

b. No. Go to Test 2.

POSSIBLE CAUSES

2. DTC Test

Short to ground in low beam headlamp circuit

1. Connect [242].

Accessory lighting overloading circuit

Headlamp malfunction

2. Clear DTCs.

3. Turn IGN ON.

1. Low Beam Headlamp Circuit Test

4. Check DTCs.

1. Turn IGN OFF.

5. Did DTC reset?

2. Disconnect headlamp [38-2].

a. Yes. Replace BCM.

3. Connect BREAKOUT BOX (Part No. HD-50390-1) and

BCM CABLE (Part No. HD-50390-2) to wire harness

b. No. Replace headlamp.

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STOP

LAMPS: DTC B2161, B2163, B2164, B2223

5.8

DESCRIPTION AND OPERATION

Table 5-30. Code Description

PART NUMBER

TOOL NAME

DTC

DESCRIPTION

HD-48650

DIGITAL TECHNICIAN II

B2161

Brake lamp output open

B2163

Brake lamp output shorted low

See Figure 5-26. The BCM controls the stop lamp based off

B2164

Brake lamp output overloaded

inputs from the front and rear stop lamp switches. The front

stop lamp switch is a mechanical switch. When the front brake

B2223

Rear brake switch shorted low

lever is applied, the lever presses a mechanical switch and

closes the contacts on the switch. The front stop lamp switch

is part of the RHCM. When the switch is pressed, the RHCM

ed03307

sends a message to the BCM over the CAN bus and the BCM

supplies power to the stop lamp.

The rear stop lamp switch is a pressure switch. When the rear

brake is applied, it generates pressure in the brake fluid. This

pressure in the fluid closes the contacts for the rear stop lamp

switch. The BCM supplies power to the rear stop lamp switch.

When the rear stop lamp switch is closed, it grounds the circuit

from the BCM. This signals the BCM to supply power to the

stop lamp.

Some models have no center brake lamp. Instead the turn

signals are used for stop, turn and tail lamp functions. If DTCs

B2161, B2163, B2164 set on a model with no center brake

lamp, it means the vehicle is improperly configured. Use

DIGITAL TECHNICIAN II (Part No. HD-48650) to configure

1. Rear stop lamp switch [121]

properly.

2. Exhaust pipe

Figure 5-27. Rear Stop Lamp Switch [121]

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Conditions for Setting

The brake lamp circuit needs to see activation to set DTCs.

Apply the front and rear brakes to verify brake lamp DTCs do

not return.

•

DTC B2161 is set when the stop lamp circuit current draw

is less than 120 milliamps.

•

DTC B2164 is set when the stop lamp circuit current draw

is above 4 Amps.

•

DTC B2223 is set when the brake switch input circuit is

grounded for 120 seconds and the vehicle speed is above

45 mph (72 km/h).

1. Tail lamp [93]

The brake switch is normally open and supplies a path to

2. Left rear turn signal [19]

ground when closed. In order to set a shorted brake switch

3. Right rear turn signal [18]

code, the vehicle needs to be operated over 30 mph (48 km/h)

4. Tail lamp power in [94]

for at least two minutes. DTC B2161 will only set when all loads

5. Tail lamp

on the circuit are inoperable.

Figure 5-26. Tail Lamp: With Circuit Board: Typical

Connector Information

For additional information about the connectors in the following

diagram(s) and diagnostic procedure(s), including the color of

the harness test kit terminal probes, see B.1 CONNECTORS.

2013 Softail Diagnostics: Accessories, Horn, Lighting and Security 5-37

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em00986

BCM

[242A]

[242B]

[22A-1] [22B-1]

W/R

Front

Stop

Lamp

W/BK

Switch

[121B-1] [121A-1]

BE/GN

Rear

Pressure

Stop

Switch

Lamp

Switch

[121B-2] [121A-2]

FLSTN

Except FLSTN

Power

Grounds

[7A]

[7B]

GND 2

[40A]

[94B]

[40B]

[94A]

Circuit

Board

[93A]

[93B]

Stop/Tail

Lamp

Stop Lamp

Figure 5-28. Stop/Tail Lamps: Except FXS/B and FLS

5-38 2013 Softail Diagnostics: Accessories, Horn, Lighting and Security

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em00919

BCM

[242A]

[242B]

[22A-1] [22B-1]

W/R

Front

Stop

Lamp

W/BK

Switch

[121B-1] [121A-1]

BE/GN

Rear

Pressure

Stop

Switch

Lamp

Switch

[121B-2] [121A-2]

[19A]

[40A]

[18A]

GND 2

(Canada)

(HDI)

[40B]

[19B]

[18B]

Left

Right

Stop/Tail

Stop/Tail/

(Canada Only)

Figure 5-29. Stop/Tail Lamps: FXS/B and FLS

2013 Softail Diagnostics: Accessories, Horn, Lighting and Security 5-39

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STOP LAMP ALWAYS ON, DTC B2223

4. DTC Test

1. Remove BOB.

PART NUMBER

TOOL NAME

2. Insert terminal K3 into [242B] (BE/R) wire.

HD-41404

HARNESS CONNECTOR TEST KIT

3. Connect [242].

HD-50390-1

BREAKOUT BOX

4. Clear DTCs.

HD-50390-2

BCM CABLE

HD-50390-2-P

BCM OVERLAY

5. Operate system in the conditions for setting the DTCs.

HD-50423

0.6 MM TERMINAL EXTRACTOR

6. Check DTCs.

TOOL

7. Did DTC reset?

a. Yes. Replace BCM.

Table 5-31. Stop Lamp Always On, DTC B2223 Diagnostic

b. No. Concern is intermittent. See 1.3 DIAGNOSTICS

Faults

AND TROUBLESHOOTING, Wiggle Test.

POSSIBLE CAUSES

DTC B2161

Brake switch malfunction

Short to voltage on brake lamp output circuit

PART NUMBER

TOOL NAME

1. Brake Switch Test

HD-41404

HARNESS CONNECTOR TEST KIT

HD-50390-1

BREAKOUT BOX

1. Turn IGN OFF.

HD-50390-2

BCM CABLE

2. Disconnect rear brake switch [121-1] (BE/GN) wire.

HD-50390-2-P

BCM OVERLAY

3. Turn IGN ON.

4. Does stop lamp go out?

Table 5-32. DTC B2161 Diagnostic Faults

a. Yes. Replace rear brake switch.

POSSIBLE CAUSES

b. No. Go to Test 2.

Open in brake lamp ground circuit

2. Brake Switch Input Test

Open in brake lamp power circuit

1. Turn IGN OFF.

Bulb malfunction

2. Connect BREAKOUT BOX (Part No. HD-50390-1) and

1. Stop Lamp Test

BCM CABLE (Part No. HD-50390-2) to wire harness

[242B], leaving

[242A] disconnected. See

1.2 DIA-

1. Turn IGN OFF.

GNOSTIC TOOLS.

2. Inspect the stop lamp bulb.

3. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

3. Is bulb good?

position on BOB.

a. Yes. Go to Test 2.

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

41404), test continuity between BOB terminal F3 and

b. No. Replace bulb.

ground.

2. Ground Circuit Open Test

5. Is continuity present?

1. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

a. Yes. Repair short to ground between [242B] and

41404), test continuity between stop lamp socket ground

[121B-1] (BE/GN) wire.

and ground.

b. No. Go to Test 3.

2. Is continuity present?

3. Brake Light Power Test

a. Yes. Go to Test 3.

1. Using

0.6 MM TERMINAL EXTRACTOR TOOL (Part

b. No. Repair open in (BK) ground circuit.

No. HD-50423), remove terminal K3 from [242B] (BE/R)

wire.

3. Power Circuit Open Test

2. Connect [242A].

1. Connect BREAKOUT BOX (Part No. HD-50390-1) and

BCM CABLE (Part No. HD-50390-2) between wire harness

3. Turn IGN ON.

[242B] and [242A]. See 1.2 DIAGNOSTIC TOOLS.

4. Is brake lamp on?

2. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

a. Yes. Repair short to voltage on brake lamp power

position on BOB.

circuit. (5041)

3. Install stop lamp bulb.

b. No. Go to Test 4.

5-40 2013 Softail Diagnostics: Accessories, Horn, Lighting and Security

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4. Jumper BOB terminals (M2) and (K3).

DTC B2223

5. Turn IGN ON.

PART NUMBER

TOOL NAME

6. Does stop lamp illuminate?

HD-50390-1

BREAKOUT BOX

a. Yes. Replace BCM.

HD-50390-2

BCM CABLE

b. No. Repair open in stop lamp power circuit.

HD-50390-2-P

BCM OVERLAY

DTC B2163, B2164

Table 5-34. DTC B2223 Diagnostic Faults

PART NUMBER

TOOL NAME

POSSIBLE CAUSES

HD-41404

HARNESS CONNECTOR TEST KIT

Short to ground in stop lamp switch power circuit (stop lamp

HD-50390-1

BREAKOUT BOX

always illuminated)

HD-50390-2

BCM CABLE

Brake switch malfunction

HD-50390-2-P

BCM OVERLAY

1. Stop Lamp Switch Test

1. Turn IGN ON.

Table 5-33. DTC B2163, B2164 Diagnostic Faults

2. Disconnect rear stop lamp switch.

POSSIBLE CAUSES

3. Does the stop lamp go out?

Accessory tail lamp overloading circuit

a. Yes. Replace the rear brake switch.

Short to ground in stop lamp power circuit

Bulb malfunction

b. No. Go to Test 2.

1. Bulb Test

2. Brake Switch Short to Ground Test

1. Turn IGN OFF.

1. Disconnect rear stop lamp switch [121-1].

2. Inspect bulb.

2. Connect the BREAKOUT BOX (Part No. HD-50390-1) and

BCM CABLE (Part No. HD-50390-2) to wire harness

3. Is bulb good?

[242B], leaving BCM [242A] disconnected. See 1.2 DIA-

a. Yes. Go to Test 2.

GNOSTIC TOOLS.

b. No. Replace bulb.

3. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

position on breakout box.

2. Stop Lamp Power Circuit Short to Ground

4. Test for continuity to ground between breakout box ter-

Test

minal (F3) and ground.

1. Connect the BREAKOUT BOX (Part No. HD-50390-1) and

5. Is continuity present?

BCM CABLE (Part No. HD-50390-2) to wire harness

a. Yes. Repair short to ground on brake switch power

[242B], leaving

[242A] disconnected. See

1.2 DIA-

circuit.

GNOSTIC TOOLS.

b. No. Go to Test 3.

2. Verify BCM OVERLAY (Part No. HD-50390-2-P) is in

position on BOB.

3. DTC Test

3. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

1. Connect [242].

41404), test continuity between BOB terminal (K3) and

ground.

2. Clear the DTCs. See 2.1 INITIAL DIAGNOSTICS, Odo-

meter Self-Diagnostics.

4. Is continuity present?

a. Yes. Repair short to ground in stop lamp power circuit.

3. Operate the system in the conditions for setting the DTCs.

b. No. Replace BCM.

4. Check DTCs. See 2.1 INITIAL DIAGNOSTICS, Odometer

Self-Diagnostics.

5. Did the DTC reset?

a. Yes. Replace the BCM.

b. No. Concern is intermittent. See 1.3 DIAGNOSTICS

AND TROUBLESHOOTING, Wiggle Test.

2013 Softail Diagnostics: Accessories, Horn, Lighting and Security 5-41

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DTC B1103, B1153, B2210, B2212, B2250, B2251,

B2252, B2253, B2254, B2260, B2261, B2262,

B2263, B2270

5.9

DESCRIPTION AND OPERATION

The engine stop is either in the run or the stop position. If the

RHCM does not see either input or both inputs at the same

All of these DTCs pertain to stuck switches or an internal fault

time, DTC B2210 or B2212 will set.

in the LHCM, RHCM or BCM. If the switches are open they

For DTC B2262 and B2250 to be set, the vehicle has to be in

will not set DTCs. In most cases, there will be symptoms

operation for more than two minutes at speed above 30 mph

depending on which switch is malfunctioning.

(48 km/h). Historic codes may indicate the rider continually

applies the brake to clutch. For example, coasting downhill

Table 5-35. Switch Symptoms

with the clutch lever pulled in for more than two minutes will

OPEN SWITCH

SYMPTOM

set codes.

High beam

Headlamp will not toggle to high beam

Diagnostic Tips

Low beam

Headlamp will not toggle to low beam

Clear the DTCs and operate the vehicle to verify the DTCs are

Left turn signal

Left turn signals will not function/PIN

current. Stuck switch codes will take over two minutes to set.

cannot be entered

Connector Information

Right turn signal

Right turn signals will not function/PIN

For additional information about the connectors in the following

cannot be entered

diagram(s) and diagnostic procedure(s), including the color of

Trip

Odometer will not cycle through different

the harness test kit terminal probes, see B.1 CONNECTORS.

settings

Front brake

Brake lamp will not function with brake

ed03294

lever pulled in

Clutch

Vehicle will not start unless in neutral

Horn

Horn will not sound

Hazard

Hazard lamps will not function

Start switch

Vehicle will not start (nothing clicks)

Engine stop switch

Vehicle will not start (nothing clicks)

Table 5-36. Code Description

DTC

DESCRIPTION

B1103

LHCM internal fault

B1153

RHCM internal fault

1. Head lamp [38]

B2210

Engine stop switch inputs both open

2. Front WSS [167]

3. Instruments [20]

B2212

Engine stop switch inputs both closed

4. Left hand control [24]

B2250

Clutch switch stuck

Figure 5-30. Under Fuel Tank Left Side

B2251

Horn switch stuck

B2252

High beam switch stuck

DTC B1103, B1153

B2253

Low beam switch stuck

B2254

Left turn switch stuck

Table 5-37. DTC B1103, B1153 Diagnostic Faults

B2260

Start switch stuck

POSSIBLE CAUSES

B2261

Right turn switch stuck

Open in hand control module ground circuit

B2262

Front brake switch stuck

Open in hand control module power circuit

B2263

Hazard switch stuck

1. Switch Test

B2270

BCM internal fault

1. Clear DTC.

Conditions for Setting

2. Turn IGN ON and wait three minutes.

If any of the switches are held or stuck for over two minutes

with the IGN ON, the stuck switch code will set for that switch.

3. Check for DTCs.

5-42 2013 Softail Diagnostics: Accessories, Horn, Lighting and Security

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4. Did DTC reset?

DTC B2270

a. Yes. Replace LHCM or RHCM.

b. No. Condition not currently present.

Table 5-39. DTC B2270 Diagnostic Faults

POSSIBLE CAUSES

DTC B2210, B2212, B2250, B2251, B2252,

Open in BCM battery circuit

B2253, B2254, B2260, B2261, B2262, B2263

Open in BCM ground circuit

Table 5-38. DTC B2250, B2251, B2252, B2253, B2254,

1. DTC Test

B2260, B2261, B2262, B2263 Diagnostic Faults

1. Clear DTC.

POSSIBLE CAUSES

2. Turn IGN ON.

Clutch switch malfunction

3. Check for DTCs.

Front brake switch malfunction

4. Did DTC reset?

1. Switch Test

a. Yes. Replace BCM.

1. Clear the DTC. See 2.1 INITIAL DIAGNOSTICS, Odometer

b. No. Condition not currently present.

Self-Diagnostics.

2. Turn IGN ON and wait three minutes.

ANY HAND CONTROL SWITCH

INOPERATIVE

3. Operate the vehicle to meet the conditions for setting the

DTC.

Table 5-40. Any Hand Control Switch Inoperative

4. Check for DTCs. See 2.1 INITIAL DIAGNOSTICS, Odo-

Diagnostic Faults

meter Self-Diagnostics.

POSSIBLE CAUSES

5. Did the DTC reset?

a. Yes, except DTC B2250 or B2262. Replace the

Clutch switch malfunction

LHCM or RHCM.

Brake switch malfunction

b. Yes, DTC B2250 or B2262. Replace the clutch or

brake switch.

1. Switch Operation Test

c. Yes, DTC B2210 or B2212. Replace the run/stop key

1. Operate the inoperative switch.

cap.

2. Does switch operate correctly?

d. No. Concern is intermittent. Switch may have been

a. Yes. Condition not currently present.

pressed for an extended period of time.

b. No. Replace LHCM or RHCM.

2013 Softail Diagnostics: Accessories, Horn, Lighting and Security 5-43

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RUNNING LAMPS: DTC B2107, B2108, B2109,

B2166, B2168, B2169

5.10

DESCRIPTION AND OPERATION

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The running lamps consist of the front position lamp (HDI),

located in the headlamp housing, the front running lamps, the

license plate lamp and the tail lamp. The running lamps are

powered by the BCM through terminal J3 and L4 (if equipped).

ed03296

1. Tail lamp [93]

2. Left rear turn signal [19]

3. Right rear turn signal [18]

4. Tail lamp power in [94]

5. Tail lamp

Figure 5-32. Tail Lamp: With Circuit Board: Typical

Right hand controls [22-1]

Right hand controls [22-2]

Front turn signals [31]

Conditions for Setting

Figure 5-31. Under Fuel Tank Right Side

The running lamps circuit powers up when the ignition is turned

on. On HDI models, the running lamp circuit is also powered

in the ACC position. Any running lamp related DTCs will set

Table 5-41. Code Description

shortly after the ignition is turned on.

DTC

DESCRIPTION

•

DTC B2166 will only set if all lights are open on the circuit.

B2107

Front position/running power output

•

DTC B2166 will set if the running lights circuit is below

shorted high

120 milliamps.

B2108

Front position/running power output

•

DTC B2169 will set if the running lights circuit is above 3

shorted low

Amps.

B2109

Front position/running power output

•

DTC B2109 will set if the switched power output circuit is

overloaded

above 10 Amps.

B2166

Running lights output open

Connector Information

B2168

Running lights output shorted low

For additional information about the connectors in the following

B2169

Running lights output overloaded

diagram(s) and diagnostic procedure(s), including the color of

the harness test kit terminal probes, see B.1 CONNECTORS.

5-44 2013 Softail Diagnostics: Accessories, Horn, Lighting and Security

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em00882

Left Front

Right Front

Running Lamp

[31B]

[31A]

Left Turn

Right Turn

LHCM

Signal

RHCM

Switch

BCM

[24B]

[22B-1]

[24A]

[22A-1]

[242A]

[242B]

R/Y

DLC

(HDI)

Fuel

Position

Gauge

Lamp

BE/BK

O/W

[38A] [38B]

GND 2

[7A]

Except FLSTN

FLSTN

[32A]

[7B]

[32B]

[143A]

[94B]

[143B]

[94A]

[40A]

Circuit

[40B]

Board

DOM

HDI

O/W

Tip

License

HDI

DOM

Lamp

Plate

Lamp

(DOM)

Tail Lamp

Stop/Tail Lamp

Figure 5-33. Running Lamps: Except FXS/B and FLS

2013 Softail Diagnostics: Accessories, Horn, Lighting and Security 5-45

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