Audio Amplifier With Navigation

AUDIO


Audio Amplifier Power and Ground Supply Circuit Inspection

1.CHECK FUSE
Check that the following fuses of the audio amplifier are not blown.






OK or NG
OK - GO TO 2.
NG - If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Description and Operation.
2.AUDIO AMPLIFIER POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio amplifier connector.





2. Check voltage between audio amplifier connector and ground.






OK or NG
OK - GO TO 3.
NG -
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
3.GROUND CIRCUIT CHECK





Check continuity between audio amplifier harness connector B44 terminals 4, 20 and ground.






OK or NG
OK - Inspection End.
NG -
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.