Coolant Temperature Sensor/Switch (For Computer): Service and Repair

Replacing Coolant Temperature Sensor (S54)

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

Remove intake air manifold.







Unlock plug (1) and detach from idle-speed control valve.
Unlock plug (2) and detach from temperature sensor (3).
Unscrew temperature sensor (3).
Tightening torque, Coolant temperature sensor 13 Nm.

Installation Note: Check coolant level, top up coolant if necessary.


NOTE:
Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults.
Then clear fault memory.