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. Refer to Security System.
- If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to Security System.

DTC DETECTION LOGIC:

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine under the following conditions and wait for at least 10 seconds.
- Selector lever is in the P or N position
- Depress the brake pedal.
2. Check "Self diagnostic result" with 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 diagnostic result" with CONSULT-III. Refer to 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. Refer to Removal and Installation.
NO - Repair or replace harness or connector.
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 or connector.
5.CHECK A/T SHIFT SELECTOR (DETENTION SWITCH)
Refer to B2601.
Is the inspection result normal?
YES - GO TO 6.
NO - Replace A/T shift selector. Refer to Removal and Installation (2WD) or Removal and Installation (AWD).
6.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END