B2602

B2602 SHIFT POSITION





Description
BCM confirms the shift position with the following 4 signals.
- Selector lever
- Transmission range switch
- P position signal from IPDM E/R (CAN)
- P position signal from TCM (CAN)




DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. BCS.
- If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. BCS.






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine.
2. Drive vehicle at a speed of 4 km/h or more for at least 10 seconds.
3. Check "Self-diagnosis result" using CONSULT-III.
Is DTC detected?
YES - Go to B2602.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK DTC WITH "ABS ACTUATOR AND ELECTRIC UNIT"
Check "Self diagnosis result" using CONSULT-III. Testing and Inspection.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace the malfunctioning parts.
2.CHECK A/T SHIFT SELECTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect A/T shift selector (detention switch) connector.
3. Check voltage between A/T shift selector (detention switch) harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 3.
3.CHECK A/T SHIFT SELECTOR POWER SUPPLY CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between A/T shift selector (detention switch) harness connector and BCM harness connector.





3. Check continuity between A/T shift selector (detention switch) harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Removal and Installation.
NO - Repair or replace harness.
4.CHECK A/T SHIFT SELECTOR CIRCUIT
1. Disconnect BCM connector and IPDM E/R connector.
2. Check continuity between A/T shift selector (detention switch) harness connector and BCM harness connector.





3. Check continuity between A/T shift selector (detention switch) harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace harness.
5.CHECK A/T SHIFT SELECTOR (DETENTION SWITCH)
B2601.
Is the inspection result normal?
YES - GO TO 6.
NO - Replace A/T shift selector. Removal and Installation.
6.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END