With Navigation

STEERING SWITCH SIGNAL A CIRCUIT

Description

Transmits the steering switch signal to AV control unit.


Diagnosis Procedure


1. CHECK STEERING SWITCH SIGNAL A 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.





3.Check continuity between AV control unit harness connector and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- Repair harness or connector.

2. CHECK SPIRAL CABLE

Check spiral cable.
Is the inspection result normal?
YES- GO TO 3.
NO- Replace spiral cable. Removal And Installation.

3. CHECK AV CONTROL UNIT VOLTAGE

1.Connect AV control unit connector and spiral cable connector.
2.Turn ignition switch ON.
3.Check voltage between AV control unit harness connector.





Is the inspection result normal?
YES- GO TO 4.
NO- Replace AV control unit. Removal And Installation.

4. CHECK STEERING SWITCH

1.Turn ignition switch OFF.
2.Check steering switch. .
Is the inspection result normal?
YES- INSPECTION END
NO- Replace steering switch. With Navigation.


Component Inspection

Measure the resistance between the steering switch connector terminals 14 to 17 and 15 to 17.
Standard