Steering Switch Check

AUDIO

Steering Switch Check


1. CHECK HARNESS

1.Turn ignition switch OFF.
2.Disconnect AV control unit connector and combination switch (spiral cable) connector.
3.Check continuity between AV control unit harness connector (A) terminals and combination switch (spiral cable) harness connector (B) terminals.










4.Check continuity between AV control unit and ground.





OK or NG
OK- GO TO 3.
NG- Repair harness.

2. SPIRAL CABLE CHECK

1.Disconnect combination switch (spiral cable) connector M31.





2.Check continuity between combination switch (spiral cable) terminals.

16 - 32: Continuity should exist.
17 - 31: Continuity should exist.
20 - 24: Continuity should exist.

OK or NG
OK- GO TO 4.
NG- Replace combination switch (spiral cable). Refer to
Service and Repair.

3. CHECK STEERING SWITCH RESISTANCE

Check resistance between combination switch (spiral cable) connector M31 terminals.










OK or NG
OK- Inspection End.
NG- Replace steering wheel audio control switch. With Navigation.