ο‘
1. Test-drive the vehicle at freeway speeds and monitor the volume level.
Is the volume level too high, or too low?
YES : The failure is duplicated, go to step 2.
NO : Intermittent failure, the system is OK at this time.
2. Operation check:
ο‘
1. Change the SVC mode setting in sound set-up to SVC MID.
Is the volume level still too high, or too low?
YES : REPLACE THE AUDIO-NAVIGATION UNIT .
YES : REPLACE THE AUDIO UNIT .
NO : Improper SVC setting for the customers sound taste.
XM RADIO DISPLAY IS BLANK AND NO STATION INFORMATION IS DISPLAYED
(NAVIGATION)
Fig. 264: Audio System Symptom Troubleshooting Flowchart - XM Radio Display Is Blank And No
Station Information Is Displayed
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
ο¬
ο¬
CHECK THE VEHICLE BATTERY CONDITION FIRST .
Check the connectors for poor connections or loose terminals.
1. Determine possible failure area (related GA-NET circuit, others):
ο‘
1. Turn the ignition switch to ON (II).
ο‘
2. Turn on the audio system, and press the AUDIO button to check if the multi-information display
changes to the audio information screen.
Is the audio information displayed?
YES : Go to step 2.
NO :Go to Audio system information does not display on the multi-information display unit (With
Navigation) troubleshooting.
2. Problem verification:
ο‘
1. Press the CD/XM button to check if the navigation display changes to the XM radio information
screen.
Is the XM radio information displayed?
YES : Intermittent failure, the system is OK at this time.
NO : The failure is duplicated, go to step 3.
3. Determine possible failure area (GA +B line, others):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Measure the voltage between test points 1 and 2.
Test condition IG LOCK (0)
Test circuit GA +B
Test point 1 XM receiver connector A (14P) No. 6 (RED)
Test point 2 Body ground
Fig. 265: Measuring Voltage Between Test Point XM Receiver Connector A (14P) No. 6
(RED) And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : The GA +B wire is OK. Go to step 6.
NO
Go to step 4.
4. Open wire check (GA +B line):
ο‘
1. Measure the voltage between test points 1 and 2.
Test condition IG LOCK (0)
Test circuit GA +B
Test point 1 Audio-navigation unit connector C (14P) No. 6 (RED)
Test point 2 Body ground
Fig. 266: Measuring Voltage Between Test Point Audio-Navigation Unit Connector C (14P)
No. 6 (RED) And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : Repair an open or high resistance in the wire between the audio-navigation unit and the XM
receiver.
NO : Go to step 5.
5. Shorted wire check (GA +B line):
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)
HandsFreeLink control unit connector (32P)
3. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Audio-navigation unit connector C (14P): disconnected
XM receiver A (14) connector: disconnected
HandsFreeLink control unit 32P connector: disconnected
Test circuit GA +B
Test point 1 Audio-navigation unit connector C (14P) No. 6 (RED)
Test point 2 Body ground
Fig. 267: Checking For Continuity Between Test Point Audio-Navigation Unit Connector C
(14P) No. 6 (RED) And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short to ground in the wire between the audio-navigation unit and the XM receiver.
NO : REPLACE THE AUDIO-NAVIGATION UNIT .
6. Determine possible failure area (GA GND line, others):
ο‘
1. Turn the ignition switch to ON (II).
ο‘
2. Measure the voltage between test points 1 and 2.
Test condition IG ON (II)
Test circuit GA GND
Test point 1 XM receiver connector A (14P) No. 10 (BLK)
Test point 2 Body ground
Fig. 268: Measuring Voltage Between Test Point XM Receiver Connector A (14P) No. 10
(BLK) And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there less than 0.2 V?
YES : The GA GND wire is OK. Go to step 8.
NO : Go to step 7.
7. Open or high resistance wire check (GA GND line):
ο‘
1. Measure the voltage between test points 1 and 2.
Test condition IG ON (II)
Test circuit GA GND
Test point 1 Audio unit connector C (14P) No. 10 (BLK)
Test point 2 Body ground
Fig. 269: Measuring Voltage Between Test Point Audio Unit Connector C (14P) No. 10 (BLK)
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there any voltage?
YES : REPLACE THE AUDIO-NAVIGATION UNIT .
NO : Repair an open or high resistance in the wire between the audio unit and the XM receiver.
8. Open wire check (GA SYS ON line):
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)
ο‘
3. 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 Test circuit GA SYS ON
Test point 1 Audio-navigation unit connector C (14P) No. 5 (PNK)
Test point 2 XM receiver connector A (14P) No. 5 (PNK)
Fig. 270: Checking For Continuity Between Test Point Audio-Navigation Unit Connector C
(14P) No. 5 (PNK) And XM Receiver Connector A (14P) No. 5 (PNK)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GA SYS ON wire is OK. Go to step 9.
NO : Repair an open in the wire between the audio-navigation unit and the XM receiver.
9. Open wire check (GA BUS+ line, GA BUS- line):
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
Test circuit GA BUS-
Test point 1 Audio-navigation unit connector C (14P) No. 11 (PNK)
Test point 2 XM receiver connector A (14P) No. 11 (PNK)
Test circuit GA BUS+
Test point 1 Audio-navigation unit connector C (14P) No. 12 (BLU)
Test point 2 XM receiver connector A (14P) No. 12 (BLU)
Fig. 271: Checking For Continuity Between Test Point Audio-Navigation Unit Connector C
(14P) No. 12 (BLU) And XM Receiver Connector A (14P) No. 12 (BLU)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GA BUS+ and the GA BUS- wires are OK. Go to step 10.
NO : There is an open in the wire(s) between the audio-navigation unit and the XM receiver. Replace the
affected shielded harness.
10. 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 .
XM RADIO DISPLAY IS BLANK AND NO STATION INFORMATION IS DISPLAYED (WITHOUT
NAVIGATION)
Fig. 272: Audio System Symptom Troubleshooting Flowchart - XM Radio Display Is Blank And No
Station Information Is Displayed
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
ο¬
ο¬
CHECK THE VEHICLE BATTERY CONDITION FIRST .
Check the connectors for poor connections or loose terminals.
1. Problem verification:
ο‘
1. Turn the ignition switch to ON (II).
ο‘
2. Turn on the audio unit, and press the XM button to check if the multi-information display
changes to the XM radio information screen.
Is the XM radio information displayed?
YES : Intermittent failure, the system is OK at this time.
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