Detention Switch

DETENTION SWITCH

Description

Detention switch is installed on A/T shift selector. 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.


Component Function Check


1. CHECK FUNCTION

1.Turn ignition switch ON.
2.Select "DETENT SW" signal in "Data monitor" mode with CONSULT.
3.Check detention switch signal under the following conditions.





Is the indication normal?
YES- INSPECTION END
NO- Perform diagnosis procedure. .


Diagnosis Procedure


1. CHECK DTC WITH "BCM"

Check "Self Diagnostic Result" for BCM with CONSULT.
Is the either DTC B2601, B2602, B2603, B2604 or B2605 detected?
YES- Check the DTC. A L L Diagnostic Trouble Codes ( DTC ).
NO- GO TO 2.

2. CHECK DETENTION SWITCH INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect A/T shift selector harness connector.
3.Turn ignition switch ON.
4.Check voltage between A/T shift selector 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 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. Refer toRemoval And Installation.
NO- Repair or replace harness.

4. CHECK DETENTION SWITCH

.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace A/T shift selector. Removal And Installation.

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK DETENTION SWITCH

1.Turn ignition switch OFF.
2.Disconnect A/T shift selector connector.
3.Check A/T shift selector terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace A/T shift selector. Removal And Installation.