Diagnosis Procedure
- INSPECTION START
Perform inspection in accordance with procedure that confirms DTC.
Which procedure confirms DTC?
DTC confirmation procedure 1: GO TO 2.
DTC confirmation procedure 2: GO TO 4.
- CHECK IPDM E/R INPUT SIGNAL
- Turn ignition switch OFF.
- Check voltage between IPDM E/R harness connector and ground.
VOLTAGE SPECIFICATION(+) (-) Condition Voltage (V) (Approx.) IPDM E/R Connector Terminal E17 65 Ground Steering lock unit Lock 0 Unlock Battery voltage 68 Lock Battery voltage Unlock 0 Is the inspection result normal?
YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".
NO: GO TO 3.
- CHECK IPDM E/R INPUT SIGNAL CIRCUIT
- Disconnect IPDM E/R connector and steering lock unit connector.
- Check continuity between IPDM E/R harness connector and steering lock unit harness connector.CONTINUITY SPECIFICATION
IPDM E/R Steering lock unit Continuity Connector Terminal Connector Terminal E17 65 M12 3 Existed 68 8 - Check continuity between IPDM E/R harness connector and ground.
CONTINUITY SPECIFICATIONIPDM E/R Ground Continuity Connector Terminal E17 65 Not existed 68 Is the inspection result normal?
YES: Replace steering lock unit.
NO: Repair or replace harness.
- CHECK BCM INPUT SIGNAL
- Turn ignition switch OFF.
- Check voltage between BCM harness connector and ground.
VOLTAGE SPECIFICATION(+) (-) Condition Voltage (V) (Approx.) BCM Connector Terminal M71 107 Ground Steering lock unit Lock 0 Unlock Battery voltage 108 Lock Battery voltage Unlock 0 Is the inspection result normal?
YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
NO: GO TO 5.
- CHECK BCM INPUT SIGNAL CIRCUIT
- Disconnect BCM connector and steering lock unit connector.
- Check continuity between BCM harness connector and steering lock unit harness connector.
CONTINUITY SPECIFICATIONBCM Steering lock unit Continuity Connector Terminal Connector Terminal M71 107 M12 3 Existed 108 8 - Check continuity between BCM harness connector and ground.
CONTINUITY SPECIFICATION
| BCM | Ground | Continuity | |
| Connector | Terminal | ||
| M71 | 107 | Not existed | |
| 108 | |||
Is the inspection result normal?
YES: Replace steering lock unit.
NO: Repair or replace harness.