A/T Shift Lock System

A/T SHIFT LOCK SYSTEM

Description

Description and Operation.


Diagnosis Procedure

Regarding Wiring Diagram information, Electrical Diagrams.

1. CHECK KEY INTERLOCK CABLE

Check key interlock cable for damage.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair key interlock cable. Removal And Installation.

2. CHECK SELECTOR LEVER

Check selector lever for damage. Adjustments.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair selector lever. Removal And Installation.

3. CHECK INPUT SIGNAL






1.Turn ignition switch ON.
2.Check voltage between A/T shift selector connector M156 terminal 1 and ground.
Brake pedal depressed: Battery voltage
Brake pedal released: 0V
Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 4.

4. CHECK STOP LAMP SWITCH






1.Turn ignition switch OFF.
2.Disconnect stop lamp switch connector.
3.Check continuity between stop lamp switch terminals 3 and 4.
Brake pedal depressed: Continuity should exist
Brake pedal released: Continuity should not exist
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace damaged parts.

5. CHECK GROUND CIRCUIT






1.Turn ignition switch OFF.
2.Disconnect A/T shift selector connector.
3.Check continuity between A/T shift selector connector M156 terminal 2 and ground.
Continuity should exist.
Is the inspection result normal?
YES- GO TO 6.
NO- Repair harness or connectors.

6. CHECK PARK POSITION SWITCH AND SHIFT LOCK SOLENOID






Check continuity between A/T shift selector terminals 1 and 2.
Selector lever in "P" position: Continuity should exist
Except above: Continuity should not exist
Is the inspection result normal?
YES- Inspection End
NO- Replace A/T shift selector. Removal And Installation.