B2612

B2612 STEERING STATUS





Description
There are 2 switches in the steering unit. IPDM E/R compares those 2 switches 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. Security System Intelligent Key System.
- If DTC B2612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Security System Intelligent Key System.






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 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 diagnostic result" with 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. 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 - GO TO 10.
NO - Repair or replace harness or connector.
4.CHECK IPDM E/R OUTPUT SIGNAL
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 - GO TO 10.
NO - Repair or replace harness or connector.
6.CHECK BCM OUTPUT SIGNAL
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 - GO TO 10.
NO - Repair or replace harness or connector.
8.CHECK IPDM E/R OUTPUT SIGNAL
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 - GO TO 10.
NO - Repair or replace harness or connector.
10.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END