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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 table carefully.

A/T Basic Check Table

Step Action YES NO
1 Was A/T System Check  performed? Go to Step 2. Go to A/T System Check  .
2 Perform Road Test  .
Is it OK?
Go to Step 3. Proceed to Troubleshooting  in "Road Test:".
3 Perform Manual Road Test  .
Is it OK?
Go to Step 4. Proceed to Troubleshooting  in "Manual Road Test:".
4 Perform Engine Brake Test  .
Is it OK?
Go to Step 5. Proceed to Troubleshooting  in "Engine Brake Test".
5 Perform Stall Test  .
Is it OK?
Go to Step 6. Proceed to Troubleshooting  in "Stall Test".
6 Perform Time Lag Test  .
Is it OK?
Go to Step 7. Proceed to Troubleshooting  in "Time Lag Test".
7 Perform Line Pressure Test  .
Is it OK?
Go to Step 8. Proceed to Troubleshooting  in "Line Pressure Test".
8 Proceed to A/T Symptom Diagnosis  .
Is trouble identified?
Repair or replace faulty parts. Go to Step 9.
9 Proceed to A/T Symptom Diagnosis  .
Is trouble identified?
Repair or replace faulty parts. Proceed to A/T Symptom Diagnosis  .