Position sensors exhaust A and intake B camshafts

Position sensors exhaust A and intake B camshafts (phase sensors) mounted on the rear end of the cylinder head. In the event of a malfunction in the circuit of one of the sensors, the ECU memorizes a fault code and uses a bypass engine management program (without changing the valve timing).



You will need: E10 TORX wrench, flat blade screwdriver.

1. To remove the exhaust camshaft position sensor, disconnect the wire from the terminal «minus» battery.



2. Pull out the lock of the clamp of the sensor wiring harness block...



3.... squeeze the latch and disconnect the block from the sensor.



4. Turn out a bolt of fastening of the gauge...



5.... and remove the sensor from the hole in the block head.



6. Pry with a screwdriver and remove the rubber sealing ring from the sensor.

NOTE: Replace the camshaft position sensor O-ring with a new one each time the joint is disassembled.

7. Install the sensor in the reverse order of removal.

8. The intake camshaft position sensor is removed and installed in the same way.