B2604

B2604 PNP SWITCH





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




DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC B2604 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to Security System.
- If DTC B2604 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 1 second.
- Selector lever is in the P or N position
- Do not depress the brake pedal
2. Check "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Go to B2604.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK DTC WITH TCM
Check "Self diagnostic result" with CONSULT-III. Refer to Testing and Inspection (VQ35HR) or refer to Testing and Inspection (VK50VE).
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace the malfunctioning parts.
2.CHECK PNP SWITCH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect A/T assembly connector and BCM connector M123.
3. Check continuity between A/T assembly harness connector and BCM harness connector.





4. Check continuity between A/T assembly harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness.
3.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END