B2612

B2612 STEERING STATUS





Description
There are 2 switches in the steering unit. IPDM E/R compares the 2 switch conditions to judge the present steering status and transmits the result to BCM via CAN communication.




DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC B2612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Body Control System.
- If DTC B2612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Body Control System.






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE-1
1. Turn ignition switch ON under the following conditions.

A/T models
- Selector lever is in the P or N position
- Do not depress brake pedal

M/T models
- Do not depress clutch pedal
2. Check "Self-diagnosis result" using CONSULT-III.
Is DTC detected?
YES - Go to SEE Diagnosis Procedure.
NO - GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE-2
1. Turn ignition switch ON.
2. Turn ignition switch OFF.
3. Press door switch.
4. Check "Self-diagnosis result" using CONSULT-III.
Is DTC detected?
YES - Go to SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.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 6.
2.CHECK BCM OUTPUT SIGNAL-1
1. Turn ignition switch OFF.
2. Disconnect steering lock unit connector and IPDM E/R connector.
3. Check voltage between steering lock unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 3.
3.CHECK STEERING LOCK UNIT CIRCUIT-1
1. Disconnect BCM connector.
2. Check continuity between steering lock unit harness connector and BCM harness connector.





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





Is the inspection result normal?
YES - Replace BCM. Removal And Installation.
NO - Repair or replace harness.
4.CHECK IPDM E/R OUTPUT SIGNAL-1
1. Connect IPDM E/R connector.
2. Disconnect BCM connector.
3. Check voltage between steering lock unit harness connector and ground.





Is the inspection result normal?
YES - Replace steering lock unit.
NO - GO TO 5.
5.CHECK STEERING LOCK UNIT CIRCUIT-2
1. Disconnect IPDM E/R connector.
2. Check continuity between steering lock unit harness connector and IPDM E/R harness connector.





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





Is the inspection result normal?
YES - Replace IPDM E/R. Service and Repair.
NO - Repair or replace harness.
6.CHECK BCM OUTPUT SIGNAL-2
1. Turn ignition switch OFF.
2. Disconnect steering lock unit connector and IPDM E/R connector.
3. Check voltage between steering lock unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 8.
NO - GO TO 7.
7.CHECK STEERING LOCK UNIT CIRCUIT-3
1. Disconnect BCM connector.
2. Check continuity between steering lock unit harness connector and BCM harness connector.





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





Is the inspection result normal?
YES - Replace BCM. Removal And Installation.
NO - Repair or replace harness.
8.CHECK IPDM E/R OUTPUT SIGNAL-2
1. Connect IPDM E/R connector.
2. Disconnect BCM connector.
3. Check voltage between steering lock unit harness connector and ground.





Is the inspection result normal?
YES - Replace steering lock unit.
NO - GO TO 9.
9.CHECK STEERING LOCK UNIT CIRCUIT-4
1. Disconnect IPDM E/R connector.
2. Check continuity between steering lock unit harness connector and IPDM E/R harness connector.





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





Is the inspection result normal?
YES - Replace IPDM E/R. Service and Repair.
NO - Repair or replace harness.