Without Scan Tool
DIAGNOSTIC PROCEDURE WITHOUT CONSULT-IIOBD-II Self-diagnostic Procedure (With GST)
Refer to Generic Scan Tool GST Function.
OBD-II Self-diagnostic Procedure (No Tools)
Refer to Malfunction Indicator Lamp (MIL).
TCM. Self-diagnostic Procedure (No Tools)
1. CHECK O/D OFF INDICATOR LAMP
1. Move A/T selector lever to P position. Start the engine. Warm engine to normal operating temperature.
2. Turn ignition switch to OFF position.
3. Wait 5 seconds.
4. Turn ignition switch to ON position. (Do not start engine.)
5. Does O/D OFF indicator lamp come on for about 2 seconds?
Yes or No
Yes >> GO TO 2.
No >> GO TO AT-220, 1. O/D OFF Indicator Lamp Does Not Come On. O/D Off Indicator Lamp Does Not Come on
2. JUDGEMENT PROCEDURE STEP 1
1. Turn ignition switch to OFF position.
2. Turn ignition switch to ACC position.
3. Move A/T selector lever from P to D position.
4. Turn ignition switch to ON position. (Do not start engine.)
5. Depress and hold overdrive control switch (the O/D OFF indicator lamp will be ON) until directed to release the switch.
If O/D OFF indicator lamp does not come on, go to AT-249, 21. TCM. Self-diagnosis Does Not Activate {Park/neutral Position (PNP), Overdrive Control and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor] Switches circuit Checks}. TCM Self-Diagnosis Does Not Activate {Park/Neutral Position (PNP), Overdrive Control and Throttle Position Sensor [Accelera
6. Turn ignition switch to OFF position.
7. Turn ignition switch to ON position. (Do not start engine.)
8. Release the overdrive control switch (the O/D OFF indicator lamp will be OFF).
9. Wait 2 seconds.
10. Move A/T selector lever to 2 position.
11. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be ON).
12. Depress and hold the overdrive control switch (the O/D OFF indicator lamp will be OFF) until directed to release the switch.
>> GO TO 3.
3. JUDGEMENT PROCEDURE STEP 2
1. Move A/T selector lever to 1 position.
2. Release the overdrive control switch.
3. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be ON).
4. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be OFF).
5. Depress and hold the overdrive control switch (the O/D OFF indicator lamp will be ON) until directed to release the switch.
6. Depress accelerator pedal fully and release.
7. Release the overdrive control switch (the O/D OFF indicator lamp will begin to flash ON and OFF).
>>GO TO 4.
4. CHECK SELF-DIAGNOSIS CODE
Check O/D OFF indicator lamp. Refer to Judgement of Self-diagnosis Code.
>> DIAGNOSIS END
Part 1:
Part 2:
Judgement of Self-diagnosis Code