Bose AMP. ON Signal Circuit

REQUEST SIGNAL CIRCUIT (SAT TO AUDIO)


Description

Request signal transmits the signal to recognize the connection of satellite radio tuner from satellite radio tuner to audio unit.





BOSE AMP. ON SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK CONTINUITY AMP. ON SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and BOSE amp. connector.
3. Check continuity between audio unit harness connector and BOSE amp. harness connector.





4. Check continuity between audio unit harness connector and ground.





Is inspection result OK?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK VOLTAGE AMP. ON SIGNAL
1. Connect audio unit connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector and ground.





Is inspection result OK?
YES - Replace BOSE amp. Without Navigation (coupe models), Without Navigation (roadster models).
NO - Replace audio unit. Bose Audio.