Shift Interlock: Testing and Inspection
SHIFT LOCK SYSTEM
Wiring Diagram - A/T SHIFT LOCK SYSTEM
For connector terminal arrangements, harness layouts, and alphabets in a (option abbreviation; if not described in wiring diagram), Connector Information.
Component Function Check
1. CHECK A/T SHIFT LOCK OPERATION (PART 1)
1.Turn ignition switch ON.
2.Shift the selector lever to "P" position.
3.Attempt to shift the selector lever to any other position with the brake pedal released.
Can the selector lever be shifted to any other position?
YES- Go to .
NO- GO TO 2.
2. CHECK A/T SHIFT LOCK OPERATION (PART 2)
Attempt to shift the selector lever to any other position with the brake pedal depressed.
Can the selector lever be shifted to any other position?
YES- INSPECTION END
NO- Go to .
Diagnosis Procedure
1. CHECK POWER SOURCE (PART 1)
1.Turn ignition switch OFF.
2.Disconnect A/T shift selector connector.
3.Turn ignition switch ON.
4.Check voltage between A/T shift selector vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 5.
2. 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 3.
NO- Repair or replace damaged parts.
3. CHECK HARNESS BETWEEN A/T SHIFT SELECTOR AND SHIFT LOCK UNIT
1.Disconnect shift lock unit connector.
2.Check continuity between A/T shift selector connector terminals and shift lock unit A/T shift selector side connector terminals.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace damaged parts.
4. CHECK SHIFT LOCK UNIT
1.Remove shift lock unit. Removal And Installation.
2.Check shift lock unit. .
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace shift lock unit. Removal And Installation.
5. CHECK POWER SOURCE (PART 2)
1.Turn ignition switch OFF.
2.Disconnect stop lamp switch connector.
3.Turn ignition switch ON.
4.Check voltage between stop lamp switch vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 9.
6. CHECK STOP LAMP SWITCH (PART 1)
Check stop lamp switch. .
Is the inspection result normal?
YES- GO TO 7.
NO- GO TO 12.
7. CHECK HARNESS BETWEEN STOP LAMP SWITCH AND SHIFT SELECTOR (PART 1)
Check continuity between stop lamp switch vehicle side harness connector terminal and A/T shift selector vehicle side harness connector terminal.
Is the inspection result normal?
YES- GO TO 8.
NO- Repair or replace damaged parts.
8. CHECK HARNESS BETWEEN STOP LAMP SWITCH AND SHIFT SELECTOR (PART 2)
Check continuity between stop lamp switch vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Repair or replace damaged parts.
9. CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND STOP LAMP SWITCH (PART 1)
1.Turn ignition switch OFF.
2.Disconnect fuse block (J/B) connector.
3.Check continuity between fuse block (J/B) vehicle side harness connector terminal and stop lamp switch vehicle side harness connector terminal.
Is the inspection result normal?
YES- GO TO 10.
NO- Repair or replace damaged parts.
10. CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND STOP LAMP SWITCH (PART 2)
Check continuity between fuse block (J/B) vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES- GO TO 11.
NO- Repair or replace damaged parts.
11. DETECT MALFUNCTIONING ITEM
Check the following.
- Harness for short or open between ignition switch and fuse block (J/B). Ignition Power Supply.
- Ignition switch
- 10A fuse [No.3, located in the fuse block (J/B)]. Fuse Block - Junction Box (J/B).
- Fuse block (J/B)
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Repair or replace damaged parts.
12. CHECK INSTALLATION POSITION OF STOP LAMP SWITCH
Adjust stop lamp switch position. Adjustments.
- GO TO 13.
13. CHECK STOP LAMP SWITCH (PART 2)
Check stop lamp switch. .
Is the inspection result normal?
YES- INSPECTION END
NO- Replace stop lamp switch. Removal And Installation.
Component Inspection (Shift Lock Solenoid)
1. CHECK SHIFT LOCK SOLENOID
Apply voltage to terminals 3 and 4 of shift lock unit connector, and then check that shift lock solenoid is activated.
CAUTION:
Connect the fuse between the terminals when applying the voltage.
Can the lock plate be moved up and down?
YES- INSPECTION END
NO- Replace shift lock unit. Removal And Installation.
Component Inspection (Stop Lamp Switch)
1. CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch connector terminals 3 and 4.
Is the inspection result normal?
YES- INSPECTION END
NO- Replace stop lamp switch. Removal And Installation.