Power Supply Circuit Inspection

AUDIO


Power Supply Circuit Inspection

1.CHECK FUSE
Check that the following fuses of the subwoofer (premium system) and audio unit are not blown.





OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of blown fuse before installing new fuse. Refer to Description and Operation.
2.AUDIO UNIT POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio unit connector.
2. Check voltage between the audio unit and ground.










OK or NG
OK >> With premium system, GO TO 3.
NG >>
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
3.SUBWOOFER (PREMIUM SYSTEM) POWER SUPPLY CIRCUIT CHECK
1. Disconnect subwoofer connector.





2. Check voltage between subwoofer (premium system) and ground.





OK or NG
OK >> GO TO 4.
NG >>
- Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
4.GROUND CIRCUIT CHECK

Check continuity between subwoofer (premium system) harness connector B29 terminal 3 and ground.





Continuity should exist.


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