STEERING SWITCH SIGNAL B CIRCUIT

1. Disconnect AV control unit connector and spiral cable connector.
2. Check continuity between AV control unit harness connector terminal 16, 15 and spiral cable harness connector terminal 31, 33.
   

   AV control unit		Spiral cable		Continuity
   Connector	Terminals	Connector	Terminals
   M80	16	M36	31	Existed
   	15		33

   
   
3. Check continuity between AV control unit harness connector terminals 16 and ground.
   

   AV control unit		Ground	Continuity
   Connector	Terminals
   M80	16		Not existed

   
   

YES>>GO TO 2.

NO>>Repair harness or connector.

Check spiral cable.

YES>>GO TO 3.

NO>>Replace spiral cable.

1. Turn ignition switch OFF.
2. Check steering switch. Refer to Component Inspection.

YES>>GO TO 4.

NO>>Replace steering switch.

1. Connect AV control unit connector and spiral cable connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit harness connector terminals 6 and 15.
   

   (+)		(-)		Condition	Voltage (Approx.)
   AV control unit		AV control unit
   Connector	Terminal	Connector	Terminal
   M80	16	M80	15	Ignition switch ON	5 V

   
   

YES>>INSPECTION END

NO>>Replace AV control unit.