Contents

			Test results
1	COMPONENT CONCERNED	THROTTLE BODY CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Connections on throttle body	Check for loose throttle body connections	Go to Step 2	Presence of loose connections	Restore the correct connections
2	COMPONENT CONCERNED	WIRING CONTINUITY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Throttle body wiring	Check the wiring correct continuity	Go to Step 3	Incorrect wiring continuity	Restore the correct continuity for the wiring
3	COMPONENT CONCERNED	WIRING INSULATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Throttle body wiring	Check that the wiring is correctly insulated	Go to Step 4	Wiring insulation not correct	Restore the correct insulation for the wiring
4	COMPONENT CONCERNED	EARTH CONNECTIONS CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Earth connections	Check the condition of the earth connections	Go to Step 5	Incorrect tightening, oxidation or painting of earth connections	Restore the correct earth connections
5	COMPONENT CONCERNED	THROTTLE BODY OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Throttle body	Check that the throttle body is working correctly See Test 1056BW Check on the throttle body actuator operation	End of diagnosis	Throttle body not working correctly	Replace the throttle body Op. 1056B14 THROTTLE BODY - R + R