Operation CHARM: Car repair manuals for everyone.

Component Inspection





Component Inspection

CHECK TCM
1. Ignition "ON" & Engine "OFF".
2. Disconnect "C106-1" connector.
3. Install scantool and select a SIMU-SCAN,
4. Simulate frequency to OUTPUT SPEED SENSOR signal circuit.




5. Is "OUTPUT SPEED SENSOR" signal value changed according to simulation frequency?
YES
1) Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
1) Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to "Verification of Vehicle Repair" procedure.