Mid System

AUDIO


Satellite Radio Tuner Left Channel Audio Signal Circuit Inspection (Mid System)

1.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner connector B56 (A) and audio unit connector M45 (B).
3. Check continuity between satellite radio tuner and audio unit.










4. Check continuity between satellite radio tuner and ground.






OK or NG
OK - GO TO 2.
NG - Repair harness or connector.
2.CHECK LEFT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner and audio unit.
2. Turn ignition switch ON.





3. Check signal between satellite radio tuner connector B56 terminals 21 and 22 with CONSULT-III or oscilloscope.

21 - 22 : Refer to Satellite Radio Tuner.

OK or NG
OK - Replace audio unit. Service and Repair.
NG - Replace satellite radio tuner. Service and Repair.