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. Security System Intelligent Key System.
- If DTC B2604 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. 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 SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK DTC WITH TCM
Check "Self diagnostic result" with CONSULT-III. Testing and Inspection (VQ35HR) or Testing and Inspection, "DTC Index" (VK50VE).
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace the malfunctioning parts.
2.CHECK TRANSMISSION RANGE 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
Intermittent Incident.
- INSPECTION END