B2126

B2126 DETENT SW





Description
- Detention switch is installed on control device. 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. Refer to B2126.
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. Refer to 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. Refer to 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 and control device connector.
3. Check continuity between driver seat control unit harness connector and control device 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. Refer to Driver Seat Control Unit.
NO - Repair or replace harness.
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END