Diagnosis Procedure

SHIFT LOCK SYSTEM


Description

Shift lock system circuit consists of the following part.









SHIFT LOCK SYSTEM


Diagnosis Procedure

1.CHECK SELECTOR LEVER POSITION
Check the selector lever position for damage. Adjustments.
Is the inspection result normal?
YES - GO TO 2.
NO - Adjust control linkage. Adjustments.
2.CHECK POWER SOURCE
1. Turn ignition switch OFF.
2. Disconnect shift lock relay.
3. Check voltage between shift lock relay harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 7.
NO-1 - When pressing the brake pedal, the voltage is 0 V: GO TO 3.
NO-2 - When releasing the brake pedal, the voltage is battery voltage: GO TO 5.
3.CHECK POWER SOURCE
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Check the following. If NG, repair or replace damaged parts.
- 10A fuse [No. 20, located in the fuse block (J/B)]
- Harness for short to ground or open between battery and fuse block (J/B).
- Harness for short to ground or open between fuse block (J/B) vehicle side harness connector terminal 8C and stop lamp switch vehicle side harness connector terminal 1.
- Harness for short to ground between fuse block (J/B) vehicle side harness connector terminal
8C and ICC brake hold relay vehicle side harness connector terminal 3. [With ICC (Full Speed
Range) System]
4.CHECK STOP LAMP SWITCH
Check stop lamp switch. Adjustments.
Is the inspection result normal?
YES - Check the following. If NG, repair or replace damaged parts.
- Harness for short to ground or open between stop lamp switch vehicle side harness connector terminal 2 and shift lock relay vehicle side harness connector terminal 2.
- Harness for short to ground between ICC brake hold relay vehicle side harness connector terminal 5 and shift lock relay vehicle side harness connector 2. [With ICC (Full Speed Range) System]
NO - Repair or replace damaged parts.
5.CHECK STOP LAMP SWITCH
Check stop lamp switch. Adjustments.
Is the inspection result normal?
YES-1 - Without ICC System: Repair or replace harness between stop lamp switch and shift lock relay.
YES-2 - With ICC System: GO TO 6.
NO - Repair or replace damaged parts.
6.CHECK DTC WITH ICC SYSTEM
With CONSULT-III
Perform "Self Diagnostic Results" in "ICC".
Is any malfunction detected?
YES - Check the DTC detected item. Cruise Control System.
NO - Repair or replace harness between stop lamp switch and shift lock relay.
7.CHECK GROUND CIRCUIT
Check continuity between shift lock relay vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 8.
NO - Repair or replace damaged parts.
8.CHECK SHIFT LOCK RELAY
Check shift lock relay. Component Inspection (Shift Lock Relay).
Is the inspection result normal?
YES - GO TO 9.
NO - Repair or replace damaged parts.
9.CHECK POWER SOURCE
1. Turn ignition switch ON.
2. Check voltage between shift lock relay vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 10.
NO - Check the following. If NG, repair or replace damaged parts.
- 10A fuse [No. 12, located in the fuse block (J/B)]
- Harness for short to ground or open between push-button ignition switch and fuse block (J/B).
- Harness for short to ground or open between fuse block (J/B) vehicle side harness connector terminal 2D and shift lock relay vehicle side harness connector terminal 5.
10.CHECK POWER SOURCE
1. Turn ignition switch OFF.
2. Connect shift lock relay.
3. Disconnect A/T shift selector connector.
4. Turn ignition switch ON.
5. Check voltage between A/T shift selector vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 11.
NO - Check the following. If NG, repair or replace damaged parts.
- Harness for short to ground or open between shift lock relay vehicle side harness connector terminal 3 and control A/T shift selector side harness connector terminal 7.
11. CHECK GROUND CIRCUIT
Check continuity between A/T shift selector vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 12.
NO - Repair or replace damaged parts.
12.CHECK SHIFT LOCK SOLENOID
1. Turn ignition switch OFF.
2. Connect A/T shift selector connector.
3. Check shift lock solenoid operation. Component Function Check.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace control device assembly. Exploded View.