Diagnosis Procedure

DETENTION SWITCH


Description

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




DETENTION SWITCH


Diagnosis Procedure

1.CHECK DTC WITH "BCM"
Check "Self Diagnostic Result" for BCM with 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 DETENTION SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect control device harness connector.
3. Turn ignition switch ON.
4. Check voltage between control device harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 3.
3.CHECK DETENTION SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit.
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.
4.CHECK DETENTION SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace control device. Refer to Removal and Installation.
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END