STEERING SWITCH
Diagnosis Procedure
1.CHECK STEERING SWITCH RESISTANCE
- Disconnect steering switch connector M88.
- Check resistance between steering switch connector terminals.
Do the steering switches check OK?
YES >> GO TO 2
NO >> Replace steering switch. Refer to See: Service and Repair\Bose Audio Without Navigation.
2.CHECK HARNESS
- Turn ignition switch OFF.
- Disconnect audio unit connector M43 and spiral cable connector M30.
- Check continuity between audio unit harness connector M43 (A) and spiral cable harness connector M30 (B).
- Check continuity between audio unit connector M43 (A) and ground.
Are the continuity results as specified?
YES >> GO TO 3
NO >> Repair harness.
3.SPIRAL CABLE CHECK
- Disconnect spiral cable connector M88.
- Check continuity between spiral cable harness connector M30 (A) and M88 (B).
Does the spiral cable check OK?
YES >> Inspection End.
NO >> Replace spiral cable. Refer to See: Restraints and Safety Systems\Air Bag Systems\Clockspring Assembly / Spiral Cable\Service and Repair.
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