YES : The GA AUDIO wires are OK. Go to step 7.
NO : There is an open in the wire(s) between the audio unit and the XM receiver. Replace the affected
shielded harness.
7. Audio unit check:
ο‘
1. SUBSTITUTE A KNOWN-GOOD XM RECEIVER , and recheck.
Does the symptom go away?
YES : Replace the original XM receiver.
NO : REPLACE THE AUDIO UNIT .
POOR OR NO SOUND WITH XM RADIO (AUDIO-NAVIGATION UNIT DOES DISPLAY XM
CHANNELS)
Fig. 183: Audio System Symptom Troubleshooting Flowchart - Poor Or No Sound With XM Radio
(Audio-Navigation Unit Does Display XM Channels)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
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CHECK THE VEHICLE BATTERY CONDITION FIRST .
Check the radio reception in an open area. Poor reception/interference can
be caused by tall buildings, mountains, or high-voltage power lines are
nearby.
ο¬
If you can only tune to channel 000, 001, and 174, make sure the audio-
navigation unit is set to channel mode (see the Owner's Manual), if it is set
to channel mode, call XM Radio customer support at 800-852-9696, and
check the account activation status.
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Check the connectors for poor connections or loose terminals.
1. Problem verification:
ο‘
1. Park the vehicle outside with a clear view of the southern horizon.
2. Turn the ignition switch to ON (II).
ο‘
ο‘
3. Turn on the audio system, and set the proper XM radio station.
Does the XM radio play?
YES : Intermittent failure, the system is OK at this time.
NO : The failure is duplicated, go to step 2.
2. Disconnect the HFL unit and recheck:
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Disconnect the HFL unit See HANDSFREELINK CONTROL UNIT REMOVAL AND
INSTALLATION or HANDSFREELINK CONTROL UNIT UPDATE and recheck.
Does the symptom go away?
YES : Replace the HFL control unit.
NO : Go to step 3.
3. Disconnect the multi-information display and retest:
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. DISCONNECT THE MULTI-INFORMATION DISPLAY and retest.
Does the symptom go away?
YES : Replace the multi-information display.
NO : Go to step 4.
4. Shorted wire check (GA AUDIO lines):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connectors.
ο‘
Audio-navigation unit connector C (14P)
XM receiver connector A (14P)
Multi-information display unit connector A (32P)
HandsFreeLink control unit 32P connector
3. Check for continuity between these test points and body ground individually.
Test condition IG LOCK (0)
ο‘
Audio-navigation unit connector C (14P): disconnected
XM receiver connector A (14P): disconnected
Multi-information display unit connector A (32P): disconnected
HandsFreeLink control unit 32P connector: disconnected
Connector
Test circuit
Terminal
GA AUDIO L+ No. 1 (RED)
GA AUDIO R+ No. 2 (GRN)
GA AUDIO L- No. 7 (WHT)
GA AUDIO R- No. 8 (BLK)
Audio-navigation unit connector C (14P)
Fig. 184: Identifying Audio-Navigation Unit Connector C (14P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : There is a short to body ground in the wire(s) between the audio-navigation unit and the XM
receiver. Replace the affected shielded harness.
NO : The GA AUDIO wires are not shorted to ground. Go to step 5.
5. Shorted wire check (SH GA AUDIO line to another lines):
ο‘
1. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Audio-navigation unit connector C (14P): disconnected
XM receiver connector A (14P): disconnected
Multi-information display unit connector A (32P): disconnected
HandsFreeLink control unit 32P connector: disconnected
Connector: Audio-navigation unit
connector C (14P)
Test circuits
Test
point 1
Test points 2
SH GA AUDIO to GA AUDIO L+, GA AUDIO
R+, GA AUDIO L-, GA AUDIO R--
No. 3 No. 1 (RED), No. 2 (GRN), No. 7
(GRY) (WHT), No. 8 (BLK)
Fig. 185: Identifying Audio-Navigation Unit Connector C (14P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity between any of the terminals?
YES : There is a short in the wires between the audio-navigation unit and the XM receiver. Replace the
affected shielded harness.
NO : The SH GA AUDIO wire is OK. Go to step 6.
6. Open wire check (GA AUDIO lines):
ο‘
1. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Audio-navigation unit connector C (14P): disconnected
XM receiver connector A (14P): disconnected
Multi-information display unit connector A (32P): disconnected
HandsFreeLink control unit 32P connector: disconnected
Test point 1: Audio-navigation unit
Test point 2: XM receiver
Test circuit
connector C (14P)
connector A (14P)
GA AUDIO
L+
No. 1 (RED)
No. 1 (RED)
GA AUDIO
R+
GA AUDIO
L-
GA AUDIO
R-
No. 2 (GRN)
No. 7 (WHT)
No. 8 (BLK)
No. 2 (GRN)
No. 7 (WHT)
No. 8 (BLK)
Fig. 186: Identifying Audio-Navigation Unit Connector C (14P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 187: Identifying XM Receiver Connector A (14P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GA AUDIO wires are OK. Go to step 7.
NO : There is an open in the wire(s) between the audio-navigation unit and the XM receiver. Replace the
affected shielded harness.
7. Audio-navigation unit check:
ο‘
1. SUBSTITUTE A KNOWN-GOOD XM RECEIVER , and recheck.
Does the symptom go away?
YES : Replace the original XM receiver.
NO : REPLACE THE AUDIO-NAVIGATION UNIT .
Fig. 188: Audio System Symptom Troubleshooting Flowchart - Radio Preset Memory Is Lost
Courtesy of AMERICAN HONDA MOTOR CO., INC.
RADIO PRESET MEMORY IS LOST (WITH NAVIGATION)
1. Problem verification:
ο‘
ο‘
ο‘
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1. Turn the ignition switch to ON (II).
2. Turn on the audio system, and set the audio system presets.
3. Turn the ignition switch to LOCK (0) for 1 minute, then turn it back to ON (II).
4. Turn on the audio system, and test the preset buttons for proper recall operation.
Do the preset buttons recall the set radio stations?
YES : Intermittent failure. The system is OK at this time.
NO : REPLACE THE AUDIO-NAVIGATION UNIT .
RADIO PRESET MEMORY IS LOST (WITHOUT NAVIGATION)
Fig. 189: Audio System Symptom Troubleshooting Flowchart - Radio Preset Memory Is Lost
Courtesy of AMERICAN HONDA MOTOR CO., INC.
1. Determine possible failure area (audio switch panel, audio unit):
ο‘
1. Turn the ignition switch to ON (II).
ο‘
2. Turn on the audio unit, and set each of the radio station preset buttons.
Does each button set properly?
YES : Go to step 2.
NO : REPLACE THE AUDIO SWITCH PANEL .
2. Problem verification:
ο‘
ο‘
1. Turn the ignition switch to LOCK (0) for 1 minute, then turn it back to ON (II).
2. Turn on the audio unit, and test the preset buttons for proper recall operation.
Do the preset buttons recall the set radio stations?
YES : Intermittent failure. The system is OK at this time.
NO : REPLACE THE AUDIO UNIT .
RADIO TUNER DOES NOT CHANGE STATIONS
Fig. 190: Audio System Symptom Troubleshooting Flowchart - Radio Tuner Does Not Change Stations
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Does the radio station change?
1. Problem verification:
ο‘
ο‘
ο‘
1. Turn the ignition switch to ON (II).
2. Turn on the audio system, and select AM or FM.
3. Operate the tuning knob to see if the radio station changes.
YES : Intermittent failure, the tuning knob is OK at this time.
NO : REPLACE THE AUDIO-NAVIGATION UNIT .
NO : REPLACE THE AUDIO UNIT .
REARVIEW CAMERA IMAGE DOES NOT CHANGE
Fig. 191: Audio System Symptom Troubleshooting Flowchart - Rearview Camera Image Does Not
Change
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
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You can select three different rearview camera angles for backing up. If
there is no camera image on the display, go to REARVIEW CAMERA
IMAGE DOES NOT COME ON OR WORK PROPERLY TROUBLESHOOTING.
Check the connectors for poor connections or loose terminals.
1. Problem verification:
ο‘
ο‘
ο‘
1. Turn the ignition switch to ON (II).
2. Move the shift lever to R.
3. Press the selector knob to see if the rearview image changes between the wide view, the normal
view, and the top down view in this order.
Does the rearview camera image change properly?
YES : Intermittent failure, the system is OK at this time.
NO : The failure is duplicated, go to step 2.
2. Shorted wire check (CAMERA BIT0 line, CAMERA BIT1 line):
ο‘
ο‘
ο‘
1. Move the shift lever to P or N.
2. Turn the ignition switch to LOCK (0).
3. Disconnect the following connector.
Multi-information display unit connector A (32P)
Rearview camera 12P connector
ο‘
4. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Multi-information display unit connector A (32P): disconnected
Rearview camera 12P connector: disconnected
Test circuit CAMERA BIT0
Test point 1 Rearview camera 12P connector No. 2 (GRN)
Test point 2 Body ground
Test circuit CAMERA BIT1
Test point 1 Rearview camera 12P connector No. 1 (BLU)
Test point 2 Body ground
2024 Honda CR-V Owner's Manual
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