1.CHECK DTC WITH IPDM E/R Check “Self diagnostic result” with CONSULT-III. Refer to DTC Index. Is the inspection result normal? YES>>GO TO 2. NO>>Repair or replace the malfunctioning parts.
2.CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect steering lock unit connector.
3. Check voltage between steering lock unit harness connector and ground.

   (+) | (–) | Condition | Voltage (V) (Approx.)
   Steering lock unit
   Connector | Terminal
   M40 | 1 | Ground | Press push-button ignition switch when steering lock is in lock condition. | Battery voltage

Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 3.
3.CHECK STEERING LOCK UNIT CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between steering lock unit harness connector and IPDM E/R harness connector.

   Steering lock unit | IPDM E/R | Continuity
   Connector | Terminal | Connector | Terminal
   M40 | 1 | E5 | 11 | Existed

4. Check continuity between steering lock unit harness connector and ground.

   Steering lock unit | Ground | Continuity
   Connector | Terminal
   M40 | 1 | Not existed

Is the inspection result normal?
YES>>Replace IPDM E/R. Refer to Removal and Installation.
NO>>Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END