Harley Davidson 2004 Touring Models. Service Manual — page 19

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Test 6.9 (Part 2 of 2)

NO POWER: HARDWARE DIAGNOSIS

Check Fuses.

Are Fuses OK?

YES

Remove Outer Fairing. Connect

Replace Fuse.

Breakout Box leaving [27B] dis-

Did Fuse Blow

connected from Radio. Check for

Again?

Resistance to Battery Ground at

Terminals 11 and 19 (BK/GN) of

Connector [27B]. Is Continuity to

Ground 1 Ohm or Less?

YES

Replace Fuse.

System

Disconnect Connector

OK.

[27]. Turn ignition ON.

With Key ON or OFF,

Did Fuse Blow Again?

Check for Voltage at

Terminals 10 and 20

(R/O) of Connector

[27B]. Battery Voltage

YES

Present?

Replace Fuse.

Replace

YES

Disconnect Connector

Radio.

[1]. Turn ignition ON.

6601

Did Fuse Blow Again?

With Key ON or

With Key ON, Check for

Power at Terminal 12

OFF, Check for Volt-

age at Terminal A

(O/BE) of Connector

[27B]. Battery Voltage

(R/O) of Connector

Present?

[15B]. Battery Volt-

YES

age Present?

Locate and

YES

Repair Short to

YES

Ground

Ground Between

Between

Connectors [1]

Replace

With Key ON,

Locate and

Fuse and Con-

and [27].

Radio.

Check for Voltage

Repair Open in

Repair Open

nector.

at Terminal 9

Interconnect

in Main Har-

6531

6601

(O/BE) of Connec-

Harness.

ness.

5028

tor [1B]. Battery

Voltage Present?

6532

5028

Check for Resistance

YES

at Terminal on Top of

Fork Bracket. Is Conti-

Locate and

nuity to Battery Ground

1 Ohm or Less?

Repair Open in

Interconnect

Main Harness.

Harness.

5028

YES

6532

Locate and

Repair Open

Repair Open in

in Intercon-

Ground Circuit

After correction of problem, refer to SETUP and

nect Harness.

Between Top

FUNCTIONALITY to verify proper operation.

Fork Bracket

6532

and Frame.

5038

Table 6-6. Wire Harness Connectors

NO.

DESCRIPTION

MODEL

TYPE

LOCATION

Main to Interconnect

FLHTC/U

12-Place Deutsch (Black)

Inner Fairing - Right Radio Support Bracket

[1]

Harness

FLTR

12-Place Deutsch (Black)

Inner Fairing - Below Radio (Left Side)

[27]

Radio

All

23-Place Amp (Black)

Inner Fairing- Back of Radio (Right Side)

6-24

2004 Touring: Sound System

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RADIO SYMPTOM 7

6.10

GENERAL

DIAGNOSTICS

Problem

Diagnostic Notes

CD will not eject.

The reference number below correlates with the circled num-

bers in the Test 6.10 flow charts.

Setup

● Press the POWER button to turn the radio ON.

CAUTION

Do not force mechanism or radio damage will occur.

Functionality

If ejection does not work, contact your Radio Sound rep-

CD should eject when EJECT button is pushed while radio is

resentative.

in either CD or radio mode. Does it?

● Yes - System is OK.

● No - See Test 6.10 (Part 1 of 2).

2004 Touring: Sound System

6-25

HOME

Test 6.10 (Part 1 of 2)

CD WILL NOT EJECT: SOFTWARE DIAGNOSIS

Does EJECT Button Have

Any Effect? In Other Words,

Does EJECT Button Cause

CD to Move or LCD to

Change?

YES

Go to

Enter Diagnostic

Test 6.10 (Part 2 of 2).

Mode “d1.” Are All

Input Bits Displayed

If CD Successfully

in LCD as “1?”

Removed, Will CD Unit

Now Operate Correctly?

YES

Does Input Bit C2

Other Symptoms

System

Replace

Toggle Between “1”

Present?

OK.

Radio.

and “0” When EJECT

Button is Pushed?

6601

YES

Diagnose

Go to

Other

Test 6.10 (Part 2 of 2).

Go to

Check Other C2

Symptoms.

If CD Successfully

Test 6.10 (Part 2 of 2).

Functions (Preset 3,

Removed, Will CD Unit

Audio In, Squelch -).

Now Operate Correctly?

If CD Successfully

Removed, Will CD Unit

Did They Work?

Now Operate Correctly?

YES

Go to

Go to Hardware

YES

System

Replace

Test 6.10 (Part 2 of 2).

Diagnosis for

OK.

Radio.

If CD Successfully

That Function.

System

Replace

Removed, Will CD Unit

6601

OK.

Radio.

Now Operate Correctly?

6601

YES

System

Replace

OK.

Radio.

6601

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

6-26

2004 Touring: Sound System

HOME

Test 6.10 (Part 2 of 2)

CD WILL NOT EJECT: HARDWARE DIAGNOSIS

Does Eject Button Function Per

Test 6.10 (Part 1 of 2)?

YES

Refer Customer to

Replace Radio. See

Owner’s Manual for

2004Touring Service Manual

Proper Operation.

(Part Number 99483-04).

6601

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

2004 Touring: Sound System

6-27

HOME

RADIO SYMPTOM 8

6.11

GENERAL

DIAGNOSTICS

Problem

Diagnostic Notes

No sound in one or more headsets/microphone inoperative.

The reference numbers below correlate with the circled num-

bers in the Test 6.11 flow charts.

Setup

Install BREAKOUT BOX (Part No. HD-44608). See Sec-

tion 6.3 BREAKOUT BOX, INSTALLATION.

● Press the POWER button to turn the radio ON.

● Set fairing mounted Headset/Speaker Switch to HEAD-

BE/Y Wire for Handheld PTT is also part of front Inter-

SET.

connect Harness.

● Press and hold the CB button to turn the Citizen Band

radio OFF. Press and hold the INT button to turn the

Intercom OFF.

Microphone input

Index

Speaker ground

groove

● Set Front and Rear Volume Control to Middle position on

Right speaker

horizontal bar graph display.

positive

Microphone ground

● Set radio frequency to known strong station.

Left speaker

positive

Shield (ground)

Functionality

Handheld PTT

Sound should be audible in all headsets. Is it?

● Yes - System is OK.

f1355x8x

● No - See Test 6.11 (Part 1 of 2).

Figure 6-20. 7-place DIN Connector: Socket Side

Not Applicable to Classic/Road Glide Models

10=Headset

11=Speaker

0=PTT

0 or 1

1=Break

1=ON

01=Center

AVC

HAND-

INTERCOM

SPEAKER

VEHICLE

VOX

HELD MIC.

SQUELCH

OFF/ON

SWITCH

SPEED

BREAK

PTT

BREAK

SWITCH

“B”

“A”

SIGNAL

(BE/Y)

(W/GN)

Internal

(BN/O)

(V/O)

Figure 6-21. Diagnostic Mode Group 2

6-28

2004 Touring: Sound System

HOME

Test 6.11 (Part 1 of 2)

NO SOUND IN ONE OR MORE HEADSETS/MICROPHONE INOPERATIVE: SOFTWARE DIAGNOSIS

Does Any

Headset Work?

YES

Replace Inoperative

Enter Diagnostic Mode 2 by Holding Any

Headset With Known

Two Preset Buttons and Turning Ignition

Working Headset.

Switch to ON. Then Push LO/DX Button

Does It Work?

Once to Obtain “d2” in LCD.

Are Speaker Switch B and Speaker

Switch A Displayed in LCD as “10?”

YES

Replace

Go to

Headset.

Test 6.11 (Part 2 of 2)

Is Handheld Micro-

Go to Test 6.11

phone PTT Displayed

(Part 2 of 2)

in LCD as “1?”

YES

Is Intercom ON/OFF

Go to Test 6.17

Switch Displayed in

(Part 2 of 2).

LCD as “0?”

YES

Is CB ON/OFF

Replace

Switch Displayed

Radio.

in LCD as “0?”

6601

YES

Replace Inoperative

Replace

Headset With Known

Radio.

Working Headset.

Does It Work?

6601

YES

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

Replace

Go to Test 6.11

Headset.

(Part 2 of 2).

Table 6-7. FLHTCU Wire Harness Connectors

NO.

DESCRIPTION

TYPE

LOCATION

[15]

Main to Interconnect Harness

4-Place Packard

Inner Fairing - Right Fairing Bracket

[27]

Radio

23-Place Amp (Black)

Inner Fairing- Back of Radio (Right Side)

[28]

Radio

23-Place Amp (Gray)

Inner Fairing- Back of Radio (Left Side)

[105]

Fairing Cap Switches

12-Place Multilock

Inner Fairing- Beneath Radio (Right Side)

2004 Touring: Sound System

6-29

HOME

Test 6.11 (Part 2 of 2)

NO SOUND IN ONE OR MORE HEADSETS/MICROPHONE INOPERATIVE: HARDWARE DIAGNOSIS

FRONT HEADSET or

REAR HEADSET

HANDHELD MICROPHONE

Remove Outer Fairing. Connect

Breakout Box leaving Connector [28]

Breakout Box leaving Connector [27]

Disconnected from Radio. Check for

and Connector [28] Disconnected from

Continuity as Follows:

Radio. Check for Continuity as Follows:

FROM

Rear

Front

Connector

Terminal

Connector

Terminal

Headset DIN

Speaker Switch Malfunction

[28B]

BOTH HEADSETS

[28B]

Tab (Shield)

Is Continuity Present?

Remove Outer Fairing.

Connect Breakout Box

leaving Connector [27]

[27B]

Disconnected from Radio.

Is Continuity Present?

Check Continuity Between

Terminal 13 of Connector

[27B] and Ground.

YES

Continuity Present?

YES

Replace

Locate and

Radio.

Repair Open in

Audio Harness.

Replace

Check for Continuity as Follows:

YES

6601

Radio.

6561

FROM

6601

Replace

With Connector

Connector

Radio.

[105] Connected,

Connector

Terminal

[53B]

Check for Continu-

6601

ity to Ground on

BK/GN Wire of

[28B]

Connector [105].

Continuity Present?

[27B]

Is Continuity Present?

YES

Check Continuity

Check for Continu-

Between Terminal

ity to Ground on

YES

13 of Connector

BK/GN Wire of

[27B] and BN/O Wire

Connector [15B].

of Connector [105A].

Continuity Present?

Replace Head-

Locate and

Continuity Present?

set Harness.

Repair Open in

Audio Harness.

6616

6561

YES

Replace

Repair

Locate and Repair

Inspect BK/GN

Speaker

Open in

Open in BK/GN

Ground Terminal in

Switch.

BN/O Wire.

Wire Between Con-

Front of Battery.

nector [105A] and

Tighten and/or

5192

6532

Connector [15A].

Repair as Necessary.

6532

If Ground Connector

is Good, Locate and

Repair Open in BK/

GN Wire Between

Connector [15B] and

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

Ground Terminal in

Main Wire Harness.

5038

6-30

2004 Touring: Sound System

HOME

RADIO SYMPTOM 9

6.12

GENERAL

Not Applicable to Classic/Road Glide Models

Problem

(BN/W)

(O/BK)

(BN/BK)

(GY/GN)

(GN/BE)

REAR

Rear headset volume/PTT inoperative.

MODE UP

AUDIO

(PK/W)

VOLUME

REAR

MODE DN

RADIO

VOLUME

EJECT

LO/DX

(GY/W)

POWER

Setup

DOWN

MODE

SQUELCH

SEEK

● Press the POWER button to turn the radio ON.

(V/BK)

PTT

DOWN

SCAN

NOT

PRESET

● Set fairing mounted Headset/Speaker Switch to HEAD-

(INT)

USED

SET.

Cx = C0 thru C4. Rx = R0 thru R3.

● Press and hold the CB button to turn the Citizen Band

radio OFF. Press and hold the INT button to turn the

Figure 6-22. Diagnostic Mode Group 1 Switch Matrix

Intercom OFF.

● Set radio frequency to known strong station.

f2123x8x

Functionality

Adjust the volume with the Audio Control Switch on the rear

right speaker box. Stereo audio should be present in the

headset. Push the switch upward (+) to raise the volume,

downward (-) to lower the volume. The front panel LCD

annunciates rear volume level through a

horizontal bar graph

display. The display reverts to the time of day approximately

two seconds after the switch is released.

Pressing PTT while

CB is OFF activates Intercom microphone. Pressing PTT

while CB is ON activates CB transmitter.

Are these your observations?

Figure 6-23. Rear Headset Volume/PTT Switch Input Bit

● Yes - System is OK.

● No - See Test 6.12 (Part 1 of 3).

2. Revalidate failure. Reconnect all connectors. If problem

still exists, replace radio. If problem is gone, look for

intermittents.

DIAGNOSTICS

3. Use HARNESS CONNECTOR KIT (Part No. HD-41404),

black pin probes and patch cord.

4. Use HARNESS CONNECTOR KIT (Part No. HD-41404),

Diagnostic Notes

black socket probes and patch cord.

The reference numbers below correlate with the circled num-

bers in the Test 6.12 flow charts.

1. Install BREAKOUT BOX (Part No. HD-44608). See Sec-

tion 6.3 BREAKOUT BOX, INSTALLATION.

2004 Touring: Sound System

6-31

HOME

Test 6.12 (Part 1 of 3)

REAR HEADSET VOLUME/PTT INOPERATIVE OR SIDECAR PTT INOPERATIVE: SOFTWARE DIAGNOSIS

Enter Diagnostic Mode

by Pressing Any Two Pre-

set Buttons While Turning

Ignition Switch to On.

Look at Input Bit C3 in LCD

Display. See Figure 6-23.

Does the Input Bit Display

“0” With the Switches Open?

YES

Move to Hardware Chart to Find

Exercise All Three Posi-

Short to Ground on Wire Where

tions of REAR VOLUME/

Corresponding Input Bit Displays “0”

PTT SWITCH or Single

(With No Switches Depressed).

Position of SIDECAR PTT

SWITCH. Does the Corre-

Rear Headset Volume/PTT

sponding Input Bit Toggle

Switch

Input

Wire

Between “1” and “0” For

Position

Bit

Color

Each Switch Position?

Vol +

Vol -

O/BK

PTT

YES

Sidecar PTT

Switch and

Is it a “0” or a “1”

Switch

Input

Wire

Wiring are OK.

While Switch Posi-

Position

Bit

Color

Replace Radio.

tion is Activated?

PTT

O/BK

6601

Move to Hardware Chart to Find

Does the Preset

Short to Ground on Wire Where

4 Button Work?

Corresponding Input Bit Displays “0.”

Rear Headset Volume/PTT

Switch

Input

Wire

YES

Position

Bit

Color

Vol +

PK/W

Move to

Move to Hardware Chart to Find

Vol -

GY/W

Hardware Chart

Short to Voltage on Wire Where

PTT

V/BK

to Find Open at

Corresponding Input Bit Displays “1.”

Bold Asterisk.

Sidecar PTT

Rear Headset Volume/PTT

Switch

Input

Wire

Switch

Input

Wire

Position

Bit

Color

Position

Bit

Color

PTT

V/BK

Vol +

PK/W

Vol -

GY/W

PTT

V/BK

All Positions

O/BK

Sidecar PTT

HARDWARE CHART

CONTINUE WITH

Switch

Input

Wire

Rear Headset Volume/PTT

Test 6.12 (Part 2 of 3)

Position

Bit

Color

PTT

V/BK

Sidecar PTT

Test 6.12 (Part 3 of 3)

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

Table 6-8. FLHTCU Wire Harness Connectors

NO.

DESCRIPTION

TYPE

LOCATION

[28]

Radio

23-Place Amp (Gray)

Inner Fairing- Back of Radio (Left Side)

Rear Right Speaker/Passenger

[41]

6-Place Mini-Deutsch (Black)

Inside Rear Right Speaker Box

Controls

6-32

2004 Touring: Sound System

HOME

Test 6.12 (Part 2 of 3)

REAR HEADSET VOLUME/PTT INOPERATIVE: HARDWARE DIAGNOSIS

What Did Test 6.12 (Part 1 of 3)

Indicate?

SHORT to VOLTAGE

SHORT to GROUND

Remove Outer Fairing. Connect Breakout Box

Remove Outer Fairing. Connect Breakout

leaving Connector [28B] Disconnected from

Box leaving Connector [28B] Disconnected

Radio. With Key ON, Check for Power at

from Radio. With Key OFF, Check for Continu-

Connector [28B].

ity to Ground at Connector [28B].

From (-)

To Terminal (+)

From (-)

To Terminal (+)

13 (PK/W)

6 (GY/W)

Ground

14 (V/BK)

12 (O/BK)

Is Voltage Present?

Any Continuity Present?

YES

Locate and

Replace

Locate and

OPEN

Repair Short in

Radio.

Repair Short in

Audio

6601

Audio

Harness.

With Switch Depressed, Check for

6560

Continuity at Connector [28B].

6560

Switch

From

Position

Terminal

At some point in the Software flow chart you may be instructed

Vol. Up

12 (O/BK)

13 (PK/W)

to jump directly to the box marked by the asterisk. Disregard the

Vol. Dn

12 (O/BK)

6 (GY/W)

asterisk (but not the instruction box) if your normal progression

PTT

12 (O/BK)

14 (V/BK)

through the chart brings you to this location.

Each Wire Pair Should be Less than 0.5

Ohms While Switch is Depressed and

Infinity While Switch is Open. Is It?

YES

Replace

Disconnect Connector [41]. With

Radio.

Switch Depressed, Check for

Continuity at Connector [41B].

6601

Switch

From

Position

Terminal

Vol. Up

4 (O/BK)

1 (PK/W)

Vol. Dn

4 (O/BK)

2 (GY/W)

PTT

4 (O/BK)

3 (V/BK)

Each Wire Pair Should be Less than

0.5 Ohms While Switch is Depressed

and Infinity While Switch is Open. Is It?

YES

Locate and

Replace Rear

Repair Open or

Volume/PTT

Replace Audio

Switch or Repair

Harness.

Switch Wiring.

6627

6561

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

2004 Touring: Sound System

6-33

HOME

Test 6.12 (Part 3 of 3)

SIDECAR PTT INOPERATIVE: HARDWARE DIAGNOSIS

What Did Test 6.12 (Part 1 of 3)

Indicate?

SHORT to VOLTAGE

SHORT to GROUND

Disconnect Connector [41B] and

[41C]. With Key ON, Check for Power

[41C]. With Key OFF, Check for Con-

at Connector [41C].

tinuity to Ground at Connector [41C].

From

Terminal

(-)

(+)

3 (V/BK)

Ground

4 (O/BK)

Is Voltage Present?

Any Continuity Present?

YES

Replace or

Go to Test 6.12

OPEN

Reconnect Connector [41].

Locate and

(Part 2 of 3).

Remove Outer Fairing. Connect

Repair Short to

Breakout Box leaving Connector

Ground in

With Sidecar PTT Switch Depressed,

[28B] Disconnected from Radio.

Sidecar Audio

Check for Continuity at Connector [41C].

Check for Voltage at Terminals 12

Harness.

(O/BK) and 14 (V/BK) of Connec-

Switch

From

6940

tor [28B]. Is Voltage Present?

Position

Terminal

PTT

4 (O/BK)

3 (V/BK)

Resistance Should be Less than 0.5

YES

Ohms While Switch is Depressed and

Infinity While Switch is Open. Is It?

Locate and

Replace

Repair Short To

Radio.

Voltage or

YES

6601

Replace Audio

Harness.

Replace

Remove Sidecar Speaker Console. Disconnect

6561

Radio.

Connector [149] from Sidecar Speaker Amplifier.

Check Continuity as Follows:

6601

FROM

Connector

Terminal

Connector

4 (O/BK)

[149B]

[42C]

3 (V/BK)

At some point in the Software flow chart you may be instructed

to jump directly to the box marked by the asterisk. Disregard the

Continuity Present?

asterisk (but not the instruction box) if your normal progression

through the chart brings you to this location.

YES

Replace

Locate and

Sidecar

Repair Open or

Amplifier.

Replace Sidecar

Audio Harness.

6949

6940

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

6-34

2004 Touring: Sound System

HOME

NOTES

2004 Touring: Sound System

6-35

HOME

RADIO SYMPTOM 10

6.13

GENERAL

Functionality

Problem

Speak into Intercom. Voice should be heard in all headsets. Is

it?

Intercom inoperative.

● Yes - System is OK.

● No - See Test 6.13.

Setup

● Press the POWER button to turn the radio ON.

● Set fairing mounted Headset/Speaker Switch to HEAD-

DIAGNOSTICS

SET.

● Press and hold the CB button to turn the Citizen Band

See Test 6.13 on the next page.

radio OFF.

● Press and hold the INT button to turn the Intercom ON

(Setup Mode).

● Use Mode Select Switch to adjust VOX sensitivity to a

value greater than “10.”

● Set Front and Rear Volume Control to Middle position on

horizontal bar graph display.

Not Applicable to Classic/Road Glide Models

10=Headset

11=Speaker

0=PTT

0 or 1

1=Break

1=ON

01=Center

AVC

HAND-

INTERCOM

SPEAKER

VEHICLE

VOX

HELD MIC.

SQUELCH

OFF/ON

SWITCH

SPEED

BREAK

PTT

BREAK

SWITCH

“B”

“A”

SIGNAL

(BE/Y)

(W/GN)

Internal

(BN/O)

(V/O)

Figure 6-24. Diagnostic Mode Group 2 Matrix

6-36

2004 Touring: Sound System

HOME

Test 6.13

INTERCOM INOPERATIVE: SOFTWARE DIAGNOSIS

Did Radio Enter

Intercom Setup

Mode as Indicated

by LCD When Inter-

com Switch Turned

On?

YES

Press Mode Up Switch So That VOX

Replace

Level is at Maximum Value (13).

Radio.

Set Front Volume to Middle Position

6601

in Horizontal Bar Graph Display. Set

Rear Volume to Middle Position.

Is Intercom Audio Present When

Speaking Into Microphone

(Both Directions)?

YES

Adjust VOX Level

Is Communica-

to 11. Then Test

tion Possible In

for Audio When

Either Direction?

Speaking Loudly

Into Microphone.

Audio Present?

YES

Verify Headset Operation

YES

Replace

on Another Vehicle.

“Dead” Head-

Do the Speakers and

set. Intercom

Microphone Work?

Intercom

Replace

OK?

OK.

Radio.

6601

YES

Replace

Intercom

Replace

Radio.

Headset.

OK.

“Dead” Micro-

phone. Inter-

6601

com OK?

YES

Intercom

Replace

OK.

Radio.

6601

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

2004 Touring: Sound System

6-37

HOME

RADIO SYMPTOM 11

6.14

GENERAL

CB OFF/ON

Switch

Problem

CB receiver inoperative.

Setup

● Press the POWER button to turn the

radio ON.

f2122x8x

● Press and hold the INT button to turn the Intercom OFF.

● Set fairing mounted Headset/Speaker Switch to

Figure 6-25. LCD Input Bit Display

SPEAKER.

● Set Volume Control to Middle position on horizontal bar

graph display.

DIAGNOSTICS

● Press and hold the CB button to turn the Citizen Band

radio ON.

Diagnostic Notes

The reference number below correlates with the circled num-

Functionality

ber in the Test 6.14 flow chart.

See Test 6.14.

See Section 6.15 RADIO SYMPTOM 12.

Not Applicable to Classic/Road Glide Models

10=Headset

11=Speaker

0=PTT

0 or 1

1=Break

1=ON

01=Center

AVC

HAND-

INTERCOM

SPEAKER

VEHICLE

VOX

HELD MIC.

SQUELCH

OFF/ON

SWITCH

SPEED

BREAK

PTT

BREAK

SWITCH

“B”

“A”

SIGNAL

(BE/Y)

(W/GN)

Internal

(BN/O)

(V/O)

Figure 6-26. Diagnostic Mode Group 2

6-38

2004 Touring: Sound System

HOME

Test 6.14

CB RECEIVER INOPERATIVE: SOFTWARE DIAGNOSIS

Did Radio Enter

CB Setup Mode?

YES

Press SQ- Until Bar Graph

Enter Diagnostics Mode 2.

Moves to Left Most Position.

Does Handheld Microphone

This Forces Squelch Open

PTT Display “0” (i.e., is PTT

Independent of CB Signal

Line Shorted to Ground)?

Strength. Is CB Audio Present?

YES

Go to Test 6.17

Replace

Press SQ+ So Bar Graph

Using Mode Control

(Part 2 of 2).

Radio.

Moves One Bar to the

Switch Press Mode Up or

6601

Right. Is Audio Still Present

Mode Dn to Change CB

(With Test Signal From

Channel. Does Channel

External Transmitter)?

Number Change on LCD?

YES

Receiver

Perform Antenna

Using External Transmitter

Go to Test 6.5

OK.

Check and SWR

for Test Signal, Can CB

(Part 2 of 4).

Adjustment Proce-

Audio be Heard When Set to

dures. Antenna OK?

Same Channel as Receiver?

YES

Press SQ+ So Bar Graph

Perform Antenna

Bad Squelch

Receiver

Moves One Bar to the

Check and SWR

Circuit Internal

OK. Repair

Right. Is Audio Still Present

Adjustment Proce-

to Radio.

or Adjust

(With Test Signal From

dures. Antenna OK?

Replace Radio.

Antenna.

External Transmitter)?

6601

YES

Replace

YES

CB Mast.

CB Load

Bad Squelch

Receiver

Coil.

Circuit Internal

OK. Repair

6613

Receiver

Perform Antenna

to Radio.

or Adjust

6618

OK.

Check and SWR

Replace Radio.

Antenna.

Adjustment Proce-

dures. Antenna OK?

6601

Replace

YES

CB Mast.

CB Load

Coil.

6613

Bad Squelch

Receiver OK.

6618

Circuit Internal

Repair or Adjust

to Radio.

Antenna.

After correction of problem, refer to SETUP and

Replace Radio.

FUNCTIONALITY to verify proper operation.

6601

Replace

CB Load

Mast.

Coil.

6613

6618

2004 Touring: Sound System

6-39

HOME

NOTES

6-40

2004 Touring: Sound System

HOME

RADIO SYMPTOM 12

6.15

● Yes - System is OK.

GENERAL

● No - See Test 6.15 (Part 1 of 2).

Problem

DIAGNOSTICS

CB transmitter inoperative.

Setup

Diagnostic Notes

● Press the POWER button to turn the radio ON.

The reference numbers below correlate with the circled num-

bers in the Test 6.15 flow charts.

● Press and hold the INT button to turn the Intercom OFF.

● Set fairing mounted Headset/Speaker Switch to

1. Remove outer fairing. Disconnect antenna connector

SPEAKER.

from CB and replace it with a dummy load, that is, the

lamp included with tool HD-39448.

● Set Volume Control to Middle position on horizontal bar

graph display.

NOTE

● Press and hold the CB button to turn the Citizen Band

The lamp acts as a load that allows the CB to be operated

radio ON.

and provides a means of checking relative power output and

modulation.

Functionality

2. To use the load, screw the dummy load onto the antenna

jack of the CB. Depress the PTT switch. If the CB is

Depressing any PTT switch will change the radio display to

transmitting a carrier wave, the lamp should illuminate.

reflect CB mode and cause the transmitter to transmit. To ver-

Speaking into the microphone should cause the lamp to

ify transmission, use another CB receiver tuned to the same

flicker. It should get brighter and dimmer depending on

channel. In CB Setup mode, the squelch display will disap-

how loud your voice is. A change in lamp brilliance

pear when PTT is depressed. Are these your observations?

means the CB is modulating.

Not Applicable to Classic/Road Glide Models

10=Headset

11=Speaker

0=PTT

0 or 1

1=Break

1=ON

01=Center

AVC

HAND-

INTERCOM

SPEAKER

VEHICLE

VOX

HELD MIC.

SQUELCH

OFF/ON

SWITCH

SPEED

BREAK

PTT

BREAK

SWITCH

“B”

“A”

SIGNAL

(BE/Y)

(W/GN)

Internal

(BN/O)

(V/O)

Figure 6-27. Diagnostic Mode Group 2

2004 Touring: Sound System

6-41

HOME

Test 6.15 (Part 1 of 2)

CB TRANSMITTER INOPERATIVE: SOFTWARE DIAGNOSIS

Did Radio Enter

CB Setup Mode?

YES

Tune Known Good

Enter Diagnostic Mode 2.

Receiver to Same

Does CB OFF/ON Switch

Channel Number as

Display “1” in LCD?

Transmitter. Test Trans-

mitter. Transmitter OK?

YES

Does Handheld

Go to Test 6.15

Microphone Dis-

(Part 2 of 2).

Perform Antenna

play “0” in LCD

Does Unit Under

Check and SWR

With PTT Switch

Test Receiver

Adjustment Proce-

Not Pushed In?

Work OK?

dures.

YES

Replace

CB Mast.

CB Load

Go to Test 6.17

Does Radio

Coil.

Does Display

Replace

(Part 1 of 2).

Work Normally

6613

Change When

Radio.

Except for CB

6618

PTT is

Transmitter?

6601

Depressed?

YES

Replace

Diagnose

Radio.

Other

Go to Test 6.15

Go to the Appropriate

(Part 2 of 2).

PTT Inoperative Chart.

Symptom.

6601

PTT INOPERATIVE

CONTINUE WITH

CHART

Rear Headset Volume PTT

6.12 RADIO SYMPTOM 9

Sidecar PTT

6.12 RADIO SYMPTOM 9

PTT/Squelch

6.16 RADIO SYMPTOM 13

Handheld Microphone/PTT

6.17 RADIO SYMPTOM 14

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

6-42

2004 Touring: Sound System

HOME

Test 6.15 (Part 2 of 2)

CB TRANSMITTER INOPERATIVE: HARDWARE DIAGNOSIS

Does Lamp Glow When

Transmitting?

Lamp Glows and

Lamp Glows But No

Lamp Does

Changes in Brilliance

Change in Brilliance

Not Glow.

While Speaking.

Perform Antenna Check

Substitute Known Good

Replace

and SWR Adjustment

Microphone. Repeat

Radio.

Procedures.

Test. Does Lamp Glow

6601

and Change in Bril-

liance While Speaking.

Replace

CB Load

YES

Mast.

Coil.

6613

6618

Replace

Go to Test 6.11

Microphone

(Part 2 of 2).

or Headset.

After correction of problem, refer to SETUP and

FUNCTIONALITY to verify proper operation.

CB Antenna Test

SWR Adjustment

A faulty CB antenna can cause poor reception and transmit-

ting range. Check the antenna system as follows:

CAUTION

1. Remove outer fairing. Remove antenna cable from back

Do not press PTT switches with antenna and SWR meter

of radio. Using clip-on test leads, connect one lead of

disconnected. Transceiver damage could result.

ohmmeter to center pin in antenna lead and other lead to

antenna mast. Meter must read 1 ohm or less. Wiggle or

Standing wave ratio (SWR) is a technical term for the proce-

flex mast while observing meter. If resistance is more

dure that checks how well the CB transmitter and antenna are

than 1 ohm or varies when mast is wiggled, replace

matched. The SWR should be 2:1 or below on channel 20. A

mast. Inspect connections at base of loading coil and at

SWR of 1:1 is optimum.

mounting bracket.

To check SWR, a SWR meter or bridge is required. Your Har-

NOTE

ley-Davidson dealer will either have a SWR meter or direct

It is normal to observe a reading of less than one ohm

you to a CB repair shop for a SWR check. Since the operating

between the center conductor and ground due to the configu-

procedures for SWR meters vary, be sure you carefully follow

ration of the loading coil.

the operating instructions for the SWR meter being used.

2. Check SWR adjustment.

1. Locate motorcycle outdoors or in a building with a ceiling

of 11 ft. (3.4 m) minimum above floor. Also, there must

3. To replace the CB antenna, see the 2004Touring Service

be 8 ft. (2.4 m) of radial clearance around motorcycle.

Manual (Part Number 99483-04).

Adjusting the SWR in an area with a lower ceiling and/or

less radial clearance may result in an inaccurate adjust-

ment.

2004 Touring: Sound System

6-43

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Harley Davidson 2004 Touring Models. Service Manual — page 19

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