Diagnosis Procedure

A/T SHIFT LOCK SYSTEM


Diagnosis Procedure

SYMPTOM 1:
- Selector lever cannot be moved from "P" position with ignition switch in ON position and brake pedal depressed.
- Selector lever can be moved from "P" position with ignition key in ON position and brake pedal released.
- Selector lever can be moved from "P" position when ignition switch is removed from key cylinder.
SYMPTOM 2:
- Ignition key cannot be removed when selector lever is set to "P" position.
- Ignition key can be removed when selector lever is set to any position except "P" position.
1.CHECK KEY INTERLOCK CABLE
Check key interlock cable for damage.
OK or NG
OK >> GO TO 2.
NG >> Repair key interlock cable. Refer to Service and Repair .
2.CHECK A/T POSITION
Check A/T position. Refer to Testing and Inspection .
OK or NG
OK >> GO TO 3.
NG >> Adjust control cable. Refer to Adjustments .
3.CHECK SHIFT LOCK SOLENOID AND PARK POSITION SWITCH
1. Turn ignition switch ON. (Do not start engine.)
2. Selector lever is set in "P" position.
3. Check operation sound.





OK or NG
OK >> INSPECTION END
NG >> GO TO 4.
4.CHECK POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)





2. Check voltage between A/T device harness connector terminal
5 and ground.





OK or NG
OK >> GO TO 7.
NG >> GO TO 5.
5.CHECK STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.





3. Check continuity between stop lamp switch harness connector terminals 3 and 4.





Check stop lamp switch after adjusting brake pedal. Refer to Testing and Inspection .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6.DETECT MALFUNCTIONING ITEM
Check the following. If any items are damaged, repair or replace damaged parts.
- Harness for short or open between ignition switch and stop lamp switch harness connector
- Harness for short or open between stop lamp switch harness connector and A/T device harness connector
- 10A fuse [No.3, located in the fuse block (J/B)]
- Ignition switch, Refer to Description and Operation .
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.
7.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect A/T device harness connector.





3. Check continuity between A/T device harness connector terminal 6 and ground.

Continuity should exist.

4. Connect A/T device harness connector.
OK or NG
OK >> Replace shift lock solenoid and park position switch assembly.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.