B2604

B2604 PNP SWITCH





Description
BCM confirms the shift position with the following 3 signals.
- ECVT selector lever
- P/N position switch
- P position signal from hybrid vehicle control ECU




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 CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the hybrid system under the following conditions and wait for at least 1 second.
- ECVT selector lever is in the P or N position
- Do not depress the brake pedal
- Use ECVT selector lever to select each gear, one at a time. Wait at each gear position for at least 1 second.
2. Check "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Refer to "Diagnosis Procedure".
NO - Inspection End.




Diagnosis Procedure
1.CHECK DTC WITH HV ECU
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 malfunctioning parts.
2.CHECK PNP SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect hybrid vehicle control ECU harness connector and BCM harness connector.





3. Check continuity between hybrid vehicle control ECU harness connector and BCM harness connector.





4. Check continuity between hybrid vehicle control ECU harness connector and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair harness or connector.
3.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- Inspection End.