Satellite Radio Tuner (Factory Installed) Left Channel Audio Signal Circuit Inspection

AUDIO


Satellite Radio Tuner (Factory Installed) Left Channel Audio Signal Circuit Inspection

1.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B30 (A) and audio unit connector M45 (B).
3. Check continuity between satellite radio tuner (factory installed) and audio unit.










4. Check continuity between satellite radio tuner (factory installed) 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 (factory installed) and audio unit.
2. Turn ignition switch ON.





3. Check signal between satellite radio tuner (factory installed) connector B30 terminals 21 and 22 with CONSULT-Ill or oscilloscope.

NG 23 - 24 : Refer to AV-21, "Terminal and Reference Value for Satellite Radio Tuner" .

and Reference Value for Sat-


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