Diagnosis Procedure

1. CHECK STEERING LOCK UNIT POWER SUPPLY

   Check voltage between steering lock unit harness connector and ground.

   VOLTAGE SPECIFICATION
   
   

   (+)		(-)	Condition		Voltage (V) (Approx.)
   Steering lock unit
   Connector	Terminal
   M12	1	Ground	Ignition switch OFF	A few seconds after opening the driver door	Battery voltage
   			Ignition switch LOCK	Press the push-button ignition switch	Battery voltage
   			Ignition switch ACC or ON		0

   Is the inspection normal? 

   YES: Replace steering lock unit.

   NO: GO TO 2.

2. CHECK STEERING LOCK RELAY CIRCUIT
   1. Disconnect IPDM E/R connector and steering lock unit connector.
   2. Check continuity IPDM E/R harness connector and steering lock unit harness connector.
   CONTINUITY SPECIFICATION
   
   

   IPDM E/R		Steering lock unit		Continuity
   Connector	Terminal	Connector	Terminal
   E14	42	M12	1	Existed

3. Check continuity IPDM E/R harness connector and ground.

Is the inspection result normal? 

YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".

NO: Repair or replace harness.