Power Supply Circuit Inspection
WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FUSES
- Check that the following fuses are not blown.
CHECK FUSESUnit Terminals Signal name Fuse No. Audio unit 6 Battery power 31 10 Ignition switch ACC or ON 4 AV switch 1 Battery power 31 2 Ignition switch ACC or ON 4 Audio amp. (with Premium) 1 Battery power 31 17 Battery power 17 OK or NG
- OK: GO TO 2.
- NG: If fuse is blown, be sure to eliminate cause of problem before installing new fuse. Refer to POWER DISTRIBUTION .
- POWER SUPPLY CIRCUIT CHECK
- Disconnect audio unit, or audio amp. (with Premium) connector.
- Check voltage between the audio unit and ground.AUDIO UNIT CONNECTOR TERMINALS VOLTAGE
Unit Terminal No. OFF ACC ON (+) (-) Connector Terminal (wire color) Audio unit M43 6 (Y) Ground Battery voltage Battery voltage Battery voltage 10 (V) Ground 0 V Battery voltage Battery voltage - Check voltage between audio amp. (with Premium) and ground.AUDIO AMP. CONNECTOR TERMINALS VOLTAGE
Unit Terminal No. OFF ACC ON (+) (-) Connector Terminal (wire color) Audio amp. M112 1 (Y) Ground Battery voltage Battery voltage Battery voltage
OK or NG
- OK: GO TO 3.
- NG:
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
- GROUND CIRCUIT CHECK
Check continuity between audio amp. (with Premium) harness connector M112 terminal 4 (B), 20 (B) and ground.
Continuity should exist.
OK or NG
- OK: INSPECTION END.
- NG:
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.