Satellite Radio Tuner Right Channel Audio Signal Circuit Inspection

AUDIO


Satellite Radio Tuner Right Channel Audio Signal Circuit Inspection

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 RIGHT 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 23 and 24 with CONSULT-III or oscilloscope.

23 - 24 : Refer to Terminal and Reference Value for Satellite Radio Tuner

OK or NG
OK >> Replace audio unit. Refer to Service and Repair.
NG >> Replace satellite radio tuner. Refer to Service and Repair.