Connect scantool to data link connector(DLC)
Engine "ON".
Monitor the "CAN COMMUNICATION SERVICE DATA (ENGINE RPM, VEHICLE SPEED SENSOR, THROTTLE P. SENSOR)" parameters on the scan tool
Does "CAN BUS LINE DATA " 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