Idle Speed/Throttle Actuator - Electronic: Service and Repair

- Interrogate fault memory of the DME control unit.
- Switch off ignition.




Version 1: (acoustic cover screwed down)
- Remove seal caps (1) and unfasten nuts (2).
- Remove cover from cylinder head cover.




Version 2: (acoustic cover with press-stud fastener)
- Open press-studs (1...4) one at a time, at the same time lifting the acoustic cover slightly. Once all four press-studs have been opened, remove the acoustic cover.

Installation Note: Position acoustic cover and press downwards until press-studs (1... 4) click into place.




- Unfasten plug connection (1).




- Open clips (1), unfasten hose clip (2) and remove hose. Lift off upper section of air filter housing.




- Unfasten hose clips (1) and (2).
- Remove suction hoses with upper section of air filter housing.




- Disconnect retainer (1).
- Remove idle speed control valve.




Installation Note: Install sealing ring in throttle valve flange first.




Installation Note: To ensure that air intake unit is free of leaks, seals on throttle body and idle speed control valve are clean and not damaged. If the sealing rings are damaged, they must be replaced.

- Interrogate fault memory of DME control unit, check faults in memory then cancel fault memory.