OD Off Indicator Lamp Does Not Come On

TROUBLE DIAGNOSIS FOR SYMPTOMS


OD OFF Indicator Lamp Does Not Come On


SYMPTOM:
OD OFF indicator lamp does not come on for about 2 seconds when turning ignition switch to ON.

DIAGNOSTIC PROCEDURE
1.CHECK CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to CONSULT-III Function (A/T) .
Is a malfunction in CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to Automatic Transmission.
NO >> GO TO 2.
2.CHECK TCM POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)





2. Check voltage between TCM connector terminals and ground. Refer to Wiring Diagram .





3. Turn ignition switch OFF.





4. Check voltage between TCM connector terminals and ground.





OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3.DETECT MALFUNCTIONING ITEM
Check the following.
- Harness for short or open between ignition switch and TCM connector terminals 10, 19. Refer to Wiring Diagram .
- Harness for short or open between battery and TCM connector terminal 28. Refer to Wiring Diagram .
- 10A fuse (No.13, located in the fuse block) and 10A fuse (No.49, located in the IPDM E/R). Refer to Wiring Diagram .
- Ignition switch. Refer to Description and Operation .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4.CHECK TCM GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.





3. Check continuity between TCM connector terminals and ground. Refer to Wiring Diagram .





OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
5.DETECT MALFUNCTIONING ITEM
Check the following.
- Harness for short or open between ignition switch and combination meter
- Combination meter. Refer to Locations System Description .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6.CHECK SYMPTOM
Check again. Refer to Check Before Engine Is Started .
OK or NG
OK >> INSPECTION END
NG >> GO TO 7.
7.CHECK TCM
1. Check TCM input/output. Refer to Pinout Values and Diagnostic Parameters .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.