DTC Diagnosis Procedure
- CHECK POWER SOURCE
- Turn ignition switch OFF.
- Disconnect stop lamp switch connector.
- Turn ignition switch ON.
- Check the voltage between the stop lamp switch harness connector terminal and ground.
+
-
Voltage
(Approx.)
Stop lamp switch
Connector
Terminal
E38
4
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 2.
NO
GO TO 9.
- CHECK STOP LAMP SWITCH MOUNTING POSITION
Check stop lamp switch mounting position. Refer to Inspection and Adjustment .
Is the inspection result normal?
YES
GO TO 3.
NO
Adjust stop lamp switch mounting position.
- CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to Component Inspection (Stop Lamp Switch) .
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace stop lamp switch.
- CHECK CIRCUIT BETWEEN STOP LAMP SWITCH AND A/T SHIFT SELECTOR
- Disconnect A/T shift selector connector.
- Check the continuity between the stop lamp switch harness connector terminal and the A/T shift selector harness connector terminal.
Stop lamp switch
A/T shift selector
Continuity
Connector
Terminal
Connector
Terminal
E38
3
M68
3
Yes
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace damaged parts.
- CHECK CIRCUIT BETWEEN STOP LAMP SWITCH AND A/T SHIFT SELECTOR
Check the continuity between the stop lamp switch harness connector terminal and ground.
Stop lamp switch
--
Continuity
Connector
Terminal
E38
3
Ground
No
Is the inspection result normal?
YES
GO TO 6.
NO
Repair or replace damaged parts.
- CHECK GROUND CIRCUIT
Check the continuity between the A/T shift selector harness connector terminal and ground.
A/T shift selector
--
Continuity
Connector
Terminal
M68
1
Ground
Yes
Is the inspection result normal?
YES
GO TO 7.
NO
Repair or replace damaged parts.
- CHECK PARK POSITION SWITCH
- Disconnect park position switch connector.
- Check park position switch. Refer to Component Inspection (Park Position Switch) .
Is the inspection result normal?
YES
GO TO 8.
NO
Repair or replace damaged parts.
- CHECK SHIFT LOCK SOLENOID
- Disconnect shift lock solenoid connector.
- Check shift lock solenoid. Refer to Component Inspection (Shift Lock Solenoid) .
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Repair or replace damaged parts.
- DETECT MALFUNCTIONING ITEM
Check the following items:
- Open or short circuit of the harness between ignition switch and stop lamp switch connector. Refer to appropriate wiring information .
- Ignition switch
- 10A fuse [No. 12, fuse block (J/B)]. Refer to appropriate wiring information .
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Repair or replace damaged parts.