312000562 - D013 THE ENGINE ACCELERATES WITHOUT PRESSING THE ACCELERATOR PEDAL

The customer complains that: The engine accelerates on itw own without operating the accelerator pedal
Test results
1CAN CHECKSAll OKProblems encounteredOperation
Connect an EXAMINER and check the following on CAN INFORMATION:No faulty control unitsNo faulty CANMove on to Step 2Presence of errorsContinue as instructed by the diagnostic equipment
2ACCELERATOR SIGNAL CHECKAll OKProblems encounteredOperation
Check that the accelerator pedal is correctly positionedConnect an Examiner to the engine management control unit and check the accelerator pedal sensor is working properlyCheck the continuity/insulation of the wiring between the engine management control unit and the accelerator pedal    See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT Move on to Step 31. Accelerator pedal incorrectly positioned2. Accelerator pedal defective3. Wiring between the engine management control unit and the accelerator pedal defective1. Position the accelerator pedal correctly2. Replace the accelerator pedalOp. 1068A14 3. Restore correct wiring.
3THROTTLE CASING CHECKAll OKProblems encounteredOperation
Check that the throttle body is working properly by carrying out the    See Test 1056BW THROTTLE BODY ACTUATOR OPERATION CHECKCheck the wiring continuity/insulation    See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT Move on to Step 41. Wiring defective2. Throttle body defective1. Restore correct wiring.2. Replace throttle bodyOp. 1056B14
4ENGINE CONTROL UNIT OPERATION CHECKAll OKProblems encounteredOperation
Check that the engine control unit is working properlyEnd of diagnosisEngine management control unit faulty with amount of fuel injected too high or not controlledReplace the engine control unit    Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R