Power and Ground Supply Circuit Inspection Satellite Radio Tuner Without Navigation

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Satellite Radio Tuner Power and Ground Supply Circuit Inspection

1.CHECK FUSES
Check that the following fuses 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.POWER SUPPLY CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner connector B56.
3. Check voltage between the satellite radio tuner 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
Inspect satellite radio tuner case ground.
OK or NG
OK - Inspection End.
NG - Repair satellite radio tuner case ground.