5A
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.
Step Action YES NO
1
Was A/T System Check preformed?
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 “Trouble Diagnosis 1” in A/T Symptom Diagnosis .
Is trouble identified?
Repair or replace faulty parts.
Go to Step 9.
9
Proceed to “Trouble Diagnosis 2” in A/T Symptom Diagnosis .
Is trouble identified?
Repair or replace faulty parts.
Proceed to “Trouble Diagnosis 3” A/T Symptom Diagnosis .