370Z V6-3.7L (VQ37VHR) (2010)
Is the inspection result normal?
YES - GO TO 3.
NO - Replace audio unit. See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Radio/Stereo/Service and Repair/Removal And
Installation/Bose Audio.
3.CHECK STEERING SWITCH
Check steering switch. See: Steering Switch Signal GND Circuit (TEL Adapter Unit To Audio Unit)/Component Inspection.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace steering switch. See: Service and Repair/Removal and Installation/Bose Audio/Without Navigation.
Component Inspection
STEERING SWITCH SIGNAL GND CIRCUIT (TEL ADAPTER UNIT TO AUDIO UNIT)
Component Inspection
Measure the resistance between the steering switch connector.
Diagnosis Procedure
STEERING SWITCH GROUND CIRCUIT
Description
Transmits the steering switch signal to AV control unit.
STEERING SWITCH GROUND CIRCUIT
Diagnosis Procedure
1.CHECK STEERING SWITCH SIGNAL GND CIRCUIT
1. Disconnect AV control unit connector and spiral cable connector.
2. Check continuity between AV control unit harness connector and spiral cable harness connector.