B2126

B2126 DETENT SW





Description
- Detention switch is installed on A/T shift selector. It is turned OFF when the A/T selector lever is in P position.
- The driver seat control unit judges that the A/T selector lever is in P position if continuity does not exist in this circuit.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Drive the vehicle at 7 �4 km/h or more.
2. Check "Self diagnostic result" using CONSULT-III.
Is the DTC detected?
YES - Perform diagnosis procedure. SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK DTC WITH "BCM"
Check "Self diagnostic result" for BCM using CONSULT-III.
Is the either DTC B2601,B2602, B2603, B2604 or B2605 detected?
YES - Check the DTC. Testing and Inspection.
NO - GO TO 2.
2.CHECK DTC WITH "METER/M&A"
Check "Self diagnostic result" for METER/M&A using CONSULT-III.
Is the DTC detected?
YES - Check the DTC. Testing and Inspection.
NO - GO TO 3.
3.CHECK DETENTION SWITCH SIGNAL
1. Turn ignition switch ON.
2. Select "DETENT SW" in the "Data Monitor" mode using CONSULT-III.
3. Check detention switch signal under the following condition.





Is the status normal?
YES - GO TO 5.
NO - GO TO 4.
4.CHECK DETENTION SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and A/T shift selector connector.
3. Check continuity between driver seat control unit harness connector and A/T shift selector harness connector.





4. Check continuity between driver seat control unit harness connector and ground.





Is the inspection result normal?
YES - Replace driver seat control unit. Removal And Installation.
NO - Repair or replace harness.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END