A/T Basic Check

A/T Basic Check

This check is important for troubleshooting when TCM has detected no DTC and no abnormality has been noted in visual inspection. Follow the flow carefully.
1.
Was "A/T System Check" preformed?
YES -
Go to Step 2.
NO -
Go to A/T System Check A/T System Check.

2. Road test

Perform road test. Road Test

Is it OK?
YES -
Go to Step 3.
NO -
Repair or replace defective part.

3. Manual road test

Perform manual road test. Manual Road Test

Is it OK?
YES -
Go to Step 4.
NO -
Repair or replace defective part.

4. Engine brake test

Perform engine brake test. Engine Brake Test

Is it OK?
YES -
Go to Step 5.
NO -
Repair or replace defective part.

5. Stall test

Perform stall test. Stall Test

Is it OK?
YES -
Go to Step 6.
NO -
Repair or replace defective part.

6. Time lag test

Perform time lag test. Time Lag Test

Is it OK?
YES -
Go to Step 7.
NO -
Repair or replace defective part.

7. Line pressure test

Perform line pressure test. Component Tests and General Diagnostics

Is it OK?
YES -
Go to Step 8.
NO -
Repair or replace defective part.

8. Proceed to "Trouble Diagnosis 1" in A/T Symptom Diagnosis A/T Symptom Diagnosis.

Is trouble identified?
YES -
Repair or replace faulty parts.
NO -
Go to Step 9.

9. Proceed to "Trouble Diagnosis 2" in A/T Symptom Diagnosis A/T Symptom Diagnosis.

Is trouble identified?
YES -
Repair or replace faulty parts.
NO -
Proceed to "Trouble Diagnosis 3" in A/T Symptom Diagnosis A/T Symptom Diagnosis.