Steering Switch Check (Without Bluetooth)

AUDIO


Steering Switch Check (Without Bluetooth)

1. AUDIO UNIT SELF-DIAGNOSIS MODE CHECK
1. Start audio unit self-diagnosis mode. Refer to Self-Diagnosis Mode.
2. Operate steering switch.
Does steering switch operate normally?
YES >> Inspection End.
NO >> GO TO 2.
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect audio unit connector M43 and spiral cable connector M30.





3. Check continuity between audio unit connector terminal and spiral cable connector terminal.





4. Check continuity between audio unit and ground.





OK or NG
OK >> GO TO 3.
NG >> Repair harness.
3. SPIRAL CABLE CHECK
1. Disconnect spiral cable connector M78.





2. Check continuity between spiral cable terminals.






OK or NG
OK >> GO TO 4.
NG >> Replace spiral cable. Refer to Service and Repair.
4. CHECK STEERING SWITCH RESISTANCE
Check resistance between spiral cable connector M102 terminals.











OK or NG
OK >> Inspection End.
NG >> Replace steering switch. Refer to Service and Repair.