Start the engine and connecting scantool
lifting a car and Drive from 1st gear to 4th gear
Select CAN COMMUNICATION SERVICE DATA (ENGINE RPM, VEHICLE SPEED SENSOR, THROTTLE P. SENSOR, SHIFT POSITION, AIR/CON. SWITCH, ENGINE TORQUE)
Monitor CAN COMMUNICATION service data
Is CURRENT DATA display near the specified value?
YES
Go to "Verification of Vehicle Repair" procedure
NO
Replace TCU and then go to Verification of Vehicle Repair procedure.