Connect scantool to data link connector(DLC)
Engine "ON".
Monitor the "2nd SOL. VALVE" parameter on the scantool
Shift gear position 1st to 2nd.
Specification: 1st → 100%, 2nd → 0.0%
Dose "2ND SOLENOID DUTY " follow the referance data?
YES
Fault is intermittent caused by poor contact in the sensor’s and/or TCM(PCM)’s connector or was repaired and TCM(PCM) memory was not cleared. Throughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage.Repair or replace as necessary and go to "Verification Vehicle Repair" procedure
NO
Go to "W/Harness Inspection " procedure