Poor or no sound with XM radio (Audio unit does display XM channels)
- Check the vehicle battery condition first (see BATTERY TEST ).
- Check the connectors for poor connections or loose terminals.
- Check the radio reception in an open area. Compare it to a known-good vehicle whenever possible. Poor reception/interference can be caused by tall buildings, mountains, or nearby high-voltage power lines are nearby.
- If you can only tune to channel 000, 001, 174, and 247, make sure the audio unit is set to channel mode (see Owner's Manual), if it is set to channel mode, call XM satellite Radio customer support, and check the account activation status.
- Turn the ignition switch to ON (II).
- Turn on the audio unit, and select XM radio.
- Check for an error message on the display.
Are there any messages displayed?
YES -Go to error code list (see ERROR CODES ). ■
NO -
- With navigation: Go to step 8.
- Without navigation: Go to step 4.
- Turn the ignition switch to LOCK (0).
- Disconnect audio unit connector B (14P) and XM receiver connector A (14P).
- Check for continuity between XM receiver connector A (14P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and audio unit connector B (14P) terminal No. 4 (the harness shield).WIRE COLOR REFERENCE
XM receiver connector Wire color A5 WHT A6 RED A13 BLK A14 GRN Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -There is a short in the wire between the audio unit and the XM receiver or short between the shield wire. Replace the appropriate shielded harness. ■
NO -Go to step 7.
- Check for continuity between XM receiver connector A (14P) and audio unit connector B (14P) according to the table.WIRE COLOR REFERENCE
XM receiver connector Audio unit connector Wire color A2 B2 ORN A5 B5 WHT A6 B6 RED A9 B9 BLU A10 B10 PNK A13 B13 BLK A14 B14 GRN Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Substitute a known-good XM receiver (see SUBWOOFER ), then reconnect all connectors, and recheck. If the symptom/indication goes away, replace the original XM receiver. If the symptom/indication is still present, replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ). ■
NO -There is an open in the wire(s) between the audio unit and the XM receiver. Replace the affected shielded harness.
- Disconnect audio disc changer connector B (14P) and XM receiver connector A (14P).
- Check for continuity between XM receiver connector A (14P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and audio disc changer connector B (14P) terminal No. 4 (the harness shield).WIRE COLOR REFERENCE
XM receiver connector Wire color A5 WHT A6 RED A13 BLK A14 GRN Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -There is a short in the wire(s) between the audio disc changer and the XM receiver or a short between the shield wire. Replace the affected shielded harness.
NO -Go to step 10.
- Check for continuity between XM receiver connector A (14P) and audio disc changer connector B (14P) according to the table.WIRE COLOR REFERENCE
XM receiver connector Audio disc changer connector Wire color A5 B5 WHT A6 B6 RED A13 B13 BLK A14 B14 GRN Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Go to step 11.
NO -There is an open in the wire(s) between the audio disc changer and the XM receiver. Replace the affected shielded harness. ■
- Disconnect audio disc changer connector A (18P) and audio unit connector B (14P).
- Check for continuity between audio disc changer connector A (18P) and body ground according to the table.
Check for continuity between the same terminals listed in the table and the XM receiver connector A (18P) terminal No. 11 (the harness shield).
WIRE COLOR REFERENCEAudio disc changer connector Wire color A1 WHT A2 RED A9 GRN A10 BLK Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -There is a short in the wire(s) between the audio disc changer and the audio unit. Replace the affected shielded harness.
NO -Go to step 13.
- Check for continuity between the audio disc changer connector A (18P) and audio unit connector B (14P) according to the table.WIRE COLOR REFERENCE
Audio disc changer connector Audio unit connector Wire color A1 B14 WHT A2 B13 RED A9 B6 GRN A10 B5 BLK Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Substitute a known-good XM receiver (see SUBWOOFER ), and retest. If the symptom/indicated goes away replace XM receiver. If the symptom/indicated is still present replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ). ■
NO -There is an open in the wire(s) between the audio disc changer and the audio unit.