B2612

B2612 STEERING STATUS





Description
There are 2 switches in the steering unit. IPDM E/R compares those 2 switch conditions to judge the present steering status and transmit 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. SEC.
- If DTC B2612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. SEC.






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE 1
1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.
- Selector lever is in the P or N position.
- Do not depress brake pedal.
2. Check "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Go to B2612.
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 diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Go to B2612.
NO - INSPECTION END




Diagnosis Procedure
1.INSPECTION START
Check the case in which DTC is detected.
- Case1: It is detected after ignition switch is changed from OFF to ON
- Case2: It is detected after ignition switch is changed from ON to OFF and door switch is pressed
In which case is DTC detected?
Case1 - GO TO 2.
Case2 - GO TO 6.
2.CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect steering lock unit connector and IPDM E/R connector E5.
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 M122.
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. Connect IPDM E/R connector.
2. Disconnect BCM connector M122.
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 E5.
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. Removal and Installation.
NO - Repair or replace harness.
6.CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect steering lock unit connector and IPDM E/R connector E5.
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 M122.
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
1. Connect IPDM E/R connector.
2. Disconnect BCM connector M122.
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 E5.
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. Removal and Installation.
NO - Repair or replace harness.