DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE 1

1. Press push-button ignition switch under the following conditions and wait 1 second or more.

- Selector lever: In the P position - Brake pedal: Not depressed 2. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.

Is DTC detected? YES >> Go to SEC-95, "Diagnosis Procedure".

NO >> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE 2

1. Turn ignition switch ON.

2. Turn ignition switch OFF.

3. Press driver side door switch and wait 1 second or more.

4. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.

Is DTC detected? YES >> Go to SEC-95, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK IPDM E/R INPUT SIGNAL

1. Turn ignition switch OFF.

2. Check voltage between IPDM E/R harness connector and ground.

NOTE:

Is the inspection result normal? YES >> GO TO 4.

NO >> GO TO 2.

2.CHECK IPDM E/R INPUT SIGNAL CIRCUIT

1. Disconnect IPDM E/R connector and steering lock unit connector.

2. Check continuity between IPDM E/R harness connector and steering lock unit harness connector.

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

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness.

3.REPLACE STEERING LOCK UNIT

1. Replace steering lock unit.

2. Perform the service procedure for steering lock unit replacement. Refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

>> INSPECTION END

4.CHECK BCM INPUT SIGNAL

1. Turn ignition switch OFF.

2. Check voltage between BCM harness connector and ground.

NOTE:

Is the inspection result normal? YES >> GO TO 5.

NO >> GO TO 6.

5.REPLACE BCM

1. Replace BCM. Refer to BCS-93, "Removal and Installation".

2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.

For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

>> INSPECTION END

6.CHECK BCM INPUT SIGNAL CIRCUIT

1. Disconnect BCM connector and steering lock unit connector.

2. Check continuity between BCM harness connector and steering lock unit harness connector.

3. Check continuity between BCM harness connector and ground.

Is the inspection result normal? YES >> GO TO 7.

NO >> Repair or replace harness.

7.REPLACE STEERING LOCK UNIT

1. Replace steering lock unit.

2. Perform the service procedure for steering lock unit replacement. Refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

>> INSPECTION END