Harley Davidson 2011 Touring Models. Electrical Diagnostic Manual — page 7
Table 2-2. Symptom Table
DIAGNOSTIC PROCEDURE
SYMPTOM
Horn always on
Horn inoperative
Low battery after extended IGN OFF
Low fuel lamp always on
Low fuel lamp inoperative
Low or no charging
Neutral lamp always on
Neutral lamp inoperative
No ECM power
6.37 MISFIRE AT IDLE OR UNDER LOAD
Misfire at idle or under load
Oil pressure gauge inoperative
Oil pressure lamp always on
Oil pressure lamp inoperative
One turn signal lamp inoperative, no DTCs
Overcharging
P&A battery power inoperative
Position lamp inoperative (HDI)
Running lamps inoperative
Security lamp inoperative
Speedometer inoperative
Starter does not spin
Starter inoperative
Starter solenoid clicks
Starter spins, but does not engage
Starter stalls or spins too slowly
Starts, then stalls
Stop lamp inoperative
Tachometer inoperative
Tail lamp inoperative
Turn signal indicator inoperative
Turn signal inoperative
Turn signals flash at double normal rate
Turn signals will not cancel on turn comple-
tion
Voltmeter gauge inoperative
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
.
2-8 2011 Touring Diagnostics: Initial Diagnostics and Serial Data
TSM/TSSM/HFSM
Speedometer
Optional
Security
Siren
(GY)
1
1
3
5
5
A
A
BE/GY
BE/GY
BN/GY
BN/GY
BE/GY
BN/GY
BN/GY
[142A]
[142B]
[30B]
[30A]
Main Power
At Starter
Battery
Main Fuse
40A
Voltage
Regulator
Ignition Switch
B+
Connector
[BATT]
A
B
B
B
+
BK
BK
R
R
R
R
R
R
R
R
R
System
Relay
Lighting
Relay
64-2B
64-1B
Battery 15A
ECM Power 15A
R
R
R
R
[160B]
[77B]
[5B]
2F
2E
2D
2C
2A
Red
Band
[33A]
[33B]
[222A]
[222B]
ECM
71
71
[78B]
[78A]
[39A]
[39B]
[20A]
[20B]
BN/GY
3
B+
IGN
ACC
OFF
IGN
B
ACC
30
3
3D
30
3
1J
em00683
Figure 2-2. Battery Power: FLHR/C
2011 Touring Diagnostics: Initial Diagnostics and Serial Data 2-9
[33A]
[33B]
TSM/TSSM/
HFSM
ECM
Speedometer
Tachometer
Optional
Security
Siren
A
A
BN/GY
A
4
4
(GY)
R/O
BN/GY
BE/GY
BN/GY
BN/GY
BN/GY
Main Power
At Starter
Battery
Main Fuse
40A
Voltage
Regulator
Ignition Switch
B+
Connector
[BATT]
A
B
+
BK
BK
BK
R
R
R
R
R
System
Relay
Lighting
Relay
64-2B
64-1B
Battery 15A
Radio Memory 15A
ECM Power 15A
R/O
R
R
R
R
R
R
BE/GY
BE/GY
BN/GY
[160B]
[77B]
[5B]
[142A]
[142B]
[30B]
[30A]
[78B]
[78A]
2F
2E
2D
2C
2B
2A
Red
Band
71
71
1
1
[2B]
[2A]
[15B]
[15A]
5
5
5
5
[39A]
[39B]
[27A]
[27B]
20
10
10
20
[108A]
[108B]
A
3
R/O
Radio
Hands Free Module
Bluetooth
Antenna
1
(Beige)
XM
9
9
Future
ACC
9
C.B.
5
5
1
(If Equipped)
3
9
9
C.B.
Future ACC
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
[186B]
[185B]
[184D]
[194B]
[187B]
[187A]
[175B]
[184C]
[184B]
[6A]
[6B]
B+
IGN
ACC
OFF
IGN
2
ACC
30
3
3D
30
3
1J
em00852
Figure 2-3. Battery Power: Except FLHR/C
2-10 2011 Touring Diagnostics: Initial Diagnostics and Serial Data
[21B]
[21A]
TSM/
TSSM/
HFSM
Speedometer
Fuel Gauge
Engine
Stop
Switch
(GY)
2
2
1
1
3
GY
GY
GY
GY
O
O
LGN/R
LGN/R
O
O
GY
[117B]
Lighting
Relay
64-2B
64-1B
P&A IGN (MAX) 2A
Instruments 15A
Ignition 15A
Exhaust Control 15A
R/BK
R/BK
R/BK
3B
3A
1F
1E
1D
1C
1B
1A
A
A
R/BK
R/BK
[222A]
[222B]
Active Exhaust
(HDI Only)
1
DLC
4
4
ABS
Module
(If Equipped)
19
19
1
3
1
O
1
1
6
6
Neutral
Oil
Pressure
O
O
O
Ignition Switch
[179A]
[179B]
[39A]
[39B]
[20A]
[20B]
[166A]
[166B]
B+
IGN
ACC
OFF
IGN
A
ACC
[91A]
[91B]
[30B]
[30A]
[22B]
[22A]
85
86
30
87
2
1
3
5
1G
[33A]
[33B]
em00685
Figure 2-4. Ignition Power: FLHR/C
2011 Touring Diagnostics: Initial Diagnostics and Serial Data 2-11
[21B]
[21A]
[30B]
[30A]
[179B]
[179A]
[1B]
[1A]
TSM/TSSM/HFSM
1
3
(GY)
(BK)
2
2
GY
GY
GY
O
R/BK
Lighting
Relay
64-2B
64-1B
P&A IGN (MAX) 2A
Instruments 15A
Ignition 15A
Exhaust Control 15A
GY
GY
GY
O
R/BK
R/BK
R/BK
DLC
4
4
3B
3A
1F
1E
1D
1C
1B
1A
(BK)
Tachometer
Speedometer
(GY)
1
1
+
1
1
+
1
1
+
1
1
+
3
6
1
1
1
1
1
3
Air
Temperature
Oil
Pressure
Indicator
Lamps
Fuel
Voltmeter
O
O
O
O
O
O
O
O
GY
GY
O
O
O
O
O
O
O
[108B]
[108A]
(BK)
[39B]
[39A]
[115A]
[115B]
[113A]
[113B]
[111A]
[111B]
[117A]
[117B]
[114A]
[114B]
[112A]
[112B]
[110A]
[110B]
[116A]
[116B]
3
Right
Turn
Switch
BE
GY
ABS Module
(If Equipped)
19
19
LGN/R
Active Exhaust
(HDI Only)
1
1
6
Neutral
Oil
Pressure
Ignition Switch
B+
IGN
ACC
OFF
IGN
3
ACC
[33A]
[33B]
85
86
30
87
2
1
3
5
1G
[166A]
[166B]
[91A]
[91B]
[22B]
[22A]
em00814
Figure 2-5. Ignition Power: Except FLHR/C
2-12 2011 Touring Diagnostics: Initial Diagnostics and Serial Data
[67A]
[222A]
[222B]
[32A]
[32B]
[20A]
[20B]
[39A]
[39B]
[4A]
[94A]
[94B]
[93A]
[93B]
[33A]
[33B]
Rear
Lighting
Accessory
Connector
Accessory
Switch
Tail Lamp
Rear
Stop Lamp
Switch
2
2
1
4
1
2
O/W
O/R
[121B-2]
Ignition Switch
R/GY
R/GY
Start
Relay
Brake
Relay
64-2B
64-1B
Brake 15A
Accessory 15A
P&A 15A
O/V
O/R
O/R
O/W
O/V
R/GY
R/GY
R/GY
C
C
1B
1A
1D
1C
1F
1E
Fender
Tip Lamp
1
1
O/W
1
1
2
2
4
4
O/W
6
6
O/W
O/W
O/W
O/W
Speedometer
[29B-1]
Position Lamp
(HDI Only)
1
1
1
Front Stop/Lamp
Switch
Horn
Switch
Cruise On/Off
Switch
Left Turn
Switch
Right Turn
Switch
O/W
O/W
1
O/W
O/W
O/W
O/W
O/W
O/W
O/W
O/W
B+
IGN
ACC
OFF
IGN
B
C
A
ACC
87
5
3A
30
3
3H
[7B]
[7A]
[24A]
[24B]
[22A]
[22B]
em00681
Figure 2-6. Accessory Power: FLHR/C
2011 Touring Diagnostics: Initial Diagnostics and Serial Data 2-13
P
o
w
er
Outlet
2H
2G
1
P
o
w
er
Outlet
(If
Equipped)
BN/BE
BN/BE
[258B]
O/W
[7A]
[7B]
[94B]
[94A]
[93A]
[93B]
[133A]
[133B]
[108B]
[108A]
[39B]
[39A]
[22B]
[22A]
[24B]
[24A]
[27B]
[27A]
[1B]
[1A]
4
5
9
O/W
O/R
O/BE
Rear
Lighting
Accessor
y
Connector
T
aillamp
Rear
Stop
Lamp
Switch
(BK)
2
2
1
2
O/W
O/W
O/W
O/R
[121B-2]
Ignition
Switch
R/GY
Star
t
Rela
y
Br
ak
e
Rela
y
64-2B
64-1B
Br
ak
e
15A
Accessor
y
15A
P&A
15A
Radio
PWR/
Siren
5A
O/V
O/R
O/W
O/V
R/GY
R/GY
R/GY
O/BE
1B
1A
1D
1C
1F
1E
1H
1G
[4A]
[29B]
[29B-1]
HDI
Only
Cigar
Lighter
Heated
Hand
Gr
ips
(If
Equipped)
T
achometer
Speedometer
1
1
1
1
4
9
12
12
6
6
Accessory
6
6
Accessory
4
5
9
Radio
F
ront
Stop/
Lamp
Switch
Hor
n
Switch
Left
T
ur
n
Switch
Right
T
ur
n
Switch
(BK)
(BK)
O/BE
O/BE
O/W
O/W
O/W
O/W
O/R
O/R
O/R
O/R
O/W
O/W
O/W
O/W
O/W
O/W
O/BE
O/W
1
1
[189B]
[189A]
[132A]
[132B]
1
O/W
O/W
1
1
2
2
A
CC
CR
UISE
SPKR
1
4
9
1
1
Connectors
On
FL
TR
Only
O/R
O/V
O/V
O/R
O/BE
O/BE
[105D]
[105C]
[105B]
[105A]
B+
IGN
A
CC
OFF
IGN
1
A
CC
87
5
3A
30
3
3H
O/W
[262A]
[262B]
[93A]
[93B]
Rear
Lighting
T
aillamp
10
10
O/W
1
1
2
2
[257B]
[226B]
[226A]
F
acia/
Con
v
er
ter
Module
2
12
12
[7A]
[7B]
[94B]
[94A]
[93A]
[93B]
Rear
Lighting
T
aillamp
2
2
O/W
1
1
2
2
O/W
[257B]
2
[226B]
[226A]
[94A]
[94B]
12
12
O/W
(FL/HTCU/HTK/TR
U)
(Except
FL/HTCU/HTK/TR
U)
(FLHTC
Only)
[257A]
[257B]
2
2
(FL/TRX/HX)
Canada
Only)
F
acia/
Con
v
er
ter
Module
Circuit
Board
Circuit
Board
Circuit
Board
(FL/TRX/HX)
10
em00853
Figure 2-7. Accessory Power: Except FLHR/C
2-14 2011 Touring Diagnostics: Initial Diagnostics and Serial Data
TGS
TCA
4
4
1
1
TMAP
Sensor
1
1
1
1
BK/GY
BK/GY
BK/GY
GN/W
GN/W
BK/W
BK/W
BK
BK
BK/W
GN/W
BK/W
[80A]
[80B]
[204A]
[204B]
[211A]
[211B]
Front HO2
Sensor
2
2
Rear HO2
Sensor
2
2
ET
Sensor
B
B
[90A]
[90B]
CKP
ECM
2
2
31
43
61
62
31
43
61
62
[79A]
[79B]
[78B]
[78A]
[138B]
[138A]
[137B]
[137A]
em00679
Figure 2-8. Sensor Grounds
2011 Touring Diagnostics: Initial Diagnostics and Serial Data 2-15
BK
BK
BK
BK
TSM/TSSM/HFSM
Fuel
Gauge
Optional
Security
Siren
Right GND 2
(GY)
C
C
8
4
4
5
12
12
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
(GY)
ECM
2
73
3
DLC
JSS
(HDI Only)
BK/GN
BK/GN
BK/GN
3
73
8
Clutch
Lockout
Switch
BK
Fuel Pump
Assembly Intank
Speedometer
Indicator
Lamps
7
7
7
7
5
C
C
BK/GN
BK/GN
BK/GN
BK/GN
Right
Turn
Left
Turn
High
Beam
[141A]
[141B]
[142A]
[142B]
[117A]
[117B]
[20A]
[20B]
[133B]
[133A]
[91A]
[78B]
[78A]
[24B]
[24A]
[39B]
[39A]
[30B]
[30A]
[21B]
[21A]
em00678
Figure 2-9. Right GND2: FLHR/C
2-16 2011 Touring Diagnostics: Initial Diagnostics and Serial Data
TSM/TSSM/HFSM
Right GND 2
Fuel Pump
Assembly In Tank
70369-06
Fuel Tank
Harness
C
C
3
3
Optional
Security
Siren
C
C
BK/GN
BK/GN
C
12
(GY)
12
12
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
[13B]
[13A]
[141A]
[141B]
[142A]
[142B]
[30B]
[30A]
[15B]
(GY)
ECM
2
73
3
DLC
JSS
(HDI Only)
BK/GN
BK/GN
BK/GN
[133B]
[91A]
[78B]
[78A]
73
Tachometer
Speedometer
12
12
11
19
11
19
7
7
7
7
C
12
6
6
Clutch
Lockout
Switch
Radio
(GY)(GY)
(BK)(BK)
BK
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
(BK)
[39B]
[39A]
[15A]
[2B]
[2A]
(BK)
[108B]
[108A]
[24A] [24B]
[27A] [27B]
BK/GN
10
10
Hands Free Module
Differential Mic Out (-)
2
[185B]
XM
10
10
Future
ACC
10
C.B.
P&A ULTRA
Overlay Harness
(If Equipped)
6
6
2
(If Equipped)
4
4
C.B.
Future ACC
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
BK/GN
[186B]
[184D]
[187B]
[187A]
[175B]
[184C]
[184B]
[53B]
[53A]
[6A]
[6B]
em00854
Figure 2-10. Right GND2: Except FLHR/C
2011 Touring Diagnostics: Initial Diagnostics and Serial Data 2-17
[4A]
[20A]
[20B]
[179B]
[18B]
[19B]
[45A]
[45B]
[93B]
[93A]
[13A]
[166B]
Accessory
Connector
Neutral
Switch
HDI Position
Lamp
Fender
Tip Lamp
Headlamp
AUX
Lamp
Switch
Left
GND 1
Horn
1
6
1
6
2
3
3
2
A
4
5
5
15
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
[131]
[29B]
[38B]
15
[109A]
[122]
[122B-1]
Voltage
Regulator
-
BK
BK
Brake
Relay
Lighting
Relay
64-2B
[77B]
GND 3
1
ABS
Module
(If Equipped)
2
Active Exhaust
(HDI Only)
Right Rear
Turn Lamp
Left Rear
Turn Lamp
Tail Lamp
Fender Tip
Lamp
(DOM Only)
License
Plate Lamp
(HDI Only)
6
4
2
1
3
4
6
2
2
2
1
3
[19A]
[18A]
Fuel Sender/Pump
Harness
4
(BK)
2
Front Fender
Tip Lamp
(DOM only)
Right Turn And DOM
Running Lamp
Left Turn And DOM
Running Lamp
BK
BK
BK
BK
Chassis Grounds
Handlebar
Ground
Frame
Ground
Fork Bracket
Grounds
BK
BK
11
1
[94B]
[94A]
[31B]
[31A]
[32A]
[32B]
[7A]
[7B]
BK
BK
BK
BK
BK
BK
BK
BK
BK
85
86
30
87
2
1
3
5
3B
85
86
30
87
2
1
3
5
2J
BK
em00855
Figure 2-11. Left GND1: FLHR/C
2-18 2011 Touring Diagnostics: Initial Diagnostics and Serial Data
BK/GN
BK/GN
BK/GN
BK/GN
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
[GND
3]
[105B]
[105A]
[105D]
[105C]
[21B]
[21A]
[38B]
[38B-2]
Right
Directional
And
DOM
Running
Lamp
Left
Directional
And
DOM
Running
Lamp
3
3
[31LB]
F
ender
Tip
Lamp
(DOM
On
ly)
2
2
2
FL
T
Models
Only
Ground
T
o
Upper
T
riple
Clamp
On
FLH
Models
Only
Indic
a
tor
Lamps
(BK)
HDI
Only
Headlamp
GND
[38
A
]
GND
Right
T
ur
n
Left
T
ur
n
High
Beam
Connec
tors
,
FL
T
Models
On
ly
2
(BK)
Air
T
emper
ature
Sensor
Cigar
Lighter
Heated
Hand
Gr
ips
(If
Equipped)
D
3
3
TEMP
Signal
Ground
(BK)
A
CC
Cr
uise
Spot
SPKR
(BK)
BK
3
8
12
3
8
12
5
5
3
3
3
3
2
2
4
4
[15A]
[31RB]
[32A]
[32B]
[31LA]
[31RA]
[132A-2]
[132B-2]
[107A]
[107B]
[143A]
[143B]
[29B-2]
[189B]
[189A]
BK
BK
BK
BK
BK
BK
BK
BK
[116A]
[116B]
[110A]
[110B]
[112A]
[112B]
[114A]
[114B]
[115A]
[115B]
[113A]
[113B]
[111A]
[111B]
[117A]
[117B]
Air
T
emper
ature
Oil
Pressure
Fuel
V
oltmeter
2
1
2
1
3
S
+
2
1
2
1
3
S
+
2
1
2
1
3
S
+
2
1
2
1
3
S
+
-
-
-
-
em00827
Figure 2-12. Left GND1: Except FLHR/C (Part 1 of 2)
2011 Touring Diagnostics: Initial Diagnostics and Serial Data 2-19
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
[77B]
[13A]
B
A
Left
GND
1
Stud
T
o
Rear
Lighting
Accessor
y
Connector
P
o
w
er
Outlet
(If
Equipped)
(Except
FL/HTCU/TR
U)
Neutr
al
Switch
Hor
n
(BK)
3
4
2
V
oltage
Regulator
-
Br
ak
e
Rela
y
Lighting
Rela
y
[64-2B]
[131]
Fuel
Sender/Pump
J
umper
Har
ness
ABS
Module
(If
Equipped)
4
2
T
our-
P
ak
Righ
t
Side
Mar
k
er
Lights
T
our-
P
ak
Left
Side
Mar
k
er
Lights
U
ltr
a
T
our-
P
ak
Rear
Mar
k
er/
S
to
p
Lights
(If
Equipped)
2
2
2
2
3
Activ
e
Exhaust
(HDI
Only)
(BK)
D
11
1
85
86
30
87
2
1
3
5
3B
85
86
30
87
2
1
3
5
2J
(FL/HTCU/HTK/TR
U)
(FLHTC
Only)
(FL/TRX/HX
Canada
Only)
5
6
BK
BK
5
5
6
4
4
BK
BK
BK
BK
[257B]
5
F
acia/
Con
v
er
ter
Module
5
BK
BK
BK
1
7
4
4
[257B]
[257B]
1
7
5
4
BK
BK
(FL/TRX/HX
HDI
Only)
BK
F
acia/
Con
v
er
ter
Module
5
10
BK
1
7
4
1
7
BK
BK
5
10
BK
(FL/TRX/HX
DOM
Only)
F
acia/
Con
v
er
ter
Module
5
7
BK
6
7
11
5
BK
BK
BK
6
11
BK
1
7
4
1
7
BK
BK
1
2
3
4
2
1
1
2
3
4 3 2 1
1
2
3
4
5
6
2
1
1
2
1
2
1
2
3
6
[7A]
[7B]
[257B]
[257A]
[94B]
[7A]
[7B]
[262A]
[262B]
[262A]
[262B]
[262A]
[262B]
[94B]
[226B]
[226A]
[226B]
[226A]
[226B]
[226A]
[12-2B]
[12-2A]
[94B]
[122B]
[122A]
[15B]
Righ
t
Rear
T
ur
n
Lamp
Lef
t
Rear
T
ur
n
Lamp
T
ail
Lamp
F
ender
Ti
p/
License
Pl
a
te
Lamp
Rear
Lighting
BK
BK
BK
BK
BK
[94A]
[18A]
[19A]
[19B]
[18B]
[45A]
[45B]
[93B]
[93A]
[12-3A]
[12-3B]
[179B]
[4A]
[12B]
[12A]
[12-5B]
[166B]
[12-4B]
[258B]
em00826
Figure 2-13. Left GND1: Except FLHR/C (Part 2 of 2)
2-20 2011 Touring Diagnostics: Initial Diagnostics and Serial Data
INITIAL DIAGNOSTICS
1. Verifying Current DTC Test
1.
Check for DTCs. See
.
2.
Are any DTCs present?
a.
Yes. Refer to
.
b.
No.
2. Battery Power Test
1.
Verify battery is charged. See
.
2.
Does vehicle have battery power?
a.
Yes.
b.
No.
3. Ignition Power Test
1.
With the engine stop switch in the off position, turn IGN
ON.
2.
Do the headlamps and instruments illuminate?
a.
Yes.
b.
No. Refer to
4. Engine Stop Switch Circuit Test
1.
Turn the engine stop switch to the RUN position.
2.
Does the check engine lamp illuminate for a few seconds,
then turn off?
a.
Yes.
b.
No. See
.
5. Security System Test
1.
Turn the IGN OFF-ON.
2.
Observe the security lamp.
3.
Does the security lamp illuminate for a few seconds and
then turn off?
a.
Yes.
b.
No. See
6. Starter System Test
1.
Press the start button.
2.
Does the starter spin and crank the engine?
a.
Yes.
b.
No. See
.
7. Engine Running Test
1.
Start the engine.
2.
Does the engine start and run correctly?
a.
Yes.
b.
No. See
8. Verification Test
1.
Operate the systems of the vehicle to verify the concern.
2.
Was the concern duplicated?
a.
Yes. See appropriate diagnostic. Refer to
.
b.
No. Concern is intermittent. See
AND TROUBLESHOOTING, Wiggle Test
.
2011 Touring Diagnostics: Initial Diagnostics and Serial Data 2-21
2.2
SERIAL DATA COMMUNICATION
DESCRIPTION AND OPERATION
TOOL NAME
PART NUMBER
DIGITAL TECHNICIAN II
HD-48650
Serial data communication circuits are used by modules and
diagnostic tools to share information.
The speedometer, ECM, TSM/TSSM/HFSM, radio, ABS and
tachometer (if equipped) all communicate on the serial data
circuit. The serial data circuit is a (LGN/V) wire that runs to all
the modules and is used to transfer data from one module to
the other. This line also runs to the DLC [91] and is used to
communicate with the modules using DIGITAL TECHNICIAN
II (Part No. HD-48650).
4
6
7
5
9
3
8
1
2
ed01820
1.
Tail light connector [7]: except FLHX, FLTRX
2.
Console pod [53]
3.
Positive battery terminal
4.
Hands-free antenna connector [209]
5.
Fuel pump subharness connector [13]
6.
Purge solenoid [95]
7.
P&A accessory connector [4]
8.
Negative battery terminal
9.
ECM [78]
Figure 2-14. Electrical Connectors Under Seat
2-22 2011 Touring Diagnostics: Initial Diagnostics and Serial Data
1
3
4
5
7
2
6
ed03081
1.
Front HO2S [138]
2.
ABS module [166] (if equipped)
3.
Active exhaust [179]
4.
Rear WSS [168]
5.
Rear HO2S [137]
6.
TSM/TSSM/HFSM [30]
7.
HFSM antenna jumper harness [208]
Figure 2-15. Under Right Side Cover
COMPONENTS
TOOL NAME
PART NUMBER
DIGITAL TECHNICIAN II
HD-48650
Electronic Control Module (ECM)
See
. The ECM is located under the seat. The ECM
monitors the sensors from the engine and fuel systems in order
to manage the fuel and spark delivery to the motorcycle which
enhances performance and driveability.
Speedometer and Tachometer
The speedometer and tachometer contain part of the indicator
and warning lamps for the motorcycle. They use the serial data
circuit to receive information from the other modules to know
which lamps to illuminate at any given time.
TSM/TSSM/HFSM
See
. The TSM/TSSM/HFSM is located under the
right side cover. It monitors the turn signals switches and con-
trols the turn signals. The clutch and neutral switches are also
inputs to the TSM/TSSM/HFSM. It uses these inputs to
determine when it is safe to allow the motorcycle to start. It
allows starter engagement and sends the information to the
ECM over the serial data circuit letting the ECM know to
activate the fuel injectors. The TSSM/HFSM also controls the
security functions on the motorcycle if equipped with the factory
security system.
Data Link Connector (DLC)
. The DLC is located under the left side cover.
The DLC is used to connect the DIGITAL TECHNICIAN II (Part
No. HD-48650) to the motorcycle.
1
2
3
4
5
6
ed03111
1.
Security siren [142]
2.
Security siren (if equipped)
3.
Fuse block
4.
Main fuse [5]
5.
DLC [91]
6.
ABS diode pack [201] (if equipped)
Figure 2-16. Under Left Side Cover: Except FLTRX, FLHX,
FLHTC
COMMUNICATION DTCS AND "BUS ER"
There are several DTCs that may set due to and issue with
the serial data circuit. Different DTCs are set by different
modules. If a module loses communication it is not able to
generate a DTC. Therefore, the other modules will set DTCs
for that module indicating they are not able to communicate
with it.
Diagnostic Tips
Modules must have power and be grounded in order to com-
municate. Therefore, when checking any communication DTC
be sure to check the power and ground connections on the
suspected module. In some cases "Bus Er" will show on the
odometer.
2011 Touring Diagnostics: Initial Diagnostics and Serial Data 2-23
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