Contents

			Test results
1	COMPONENT CONCERNED	THROTTLE BODY CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Connections on throttle body and Powertrain Control Module	Check for the presence of loose connections on the throttle body and the Powertrain Control Module	Go to Step 2	Presence of loose connections	Restore the correct connections
2	COMPONENT CONCERNED	CHECK THROTTLE BODY WIRING	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Throttle body wiring	Check the continuity of the throttle body wiring	Go to Step 3	Faults in the continuity of the wiring	Restore the correct continuity for the wiring
3	COMPONENT CONCERNED	CHECK THROTTLE BODY WIRING	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Throttle body wiring	Check the correct insulation of the throttle body wiring	Go to Step 4	Wiring insulation not correct	Restore the correct insulation
4	COMPONENT CONCERNED	CHECK THROTTLE BODY WIRING	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Throttle body wiring	Check the condition of the earth connections on the throttle body wiring	Go to Step 5	Incorrect tightening, oxidation or painting of earth connections	Restore the incorrect 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