Principle of operation

The engine immobiliser is a theft protection system that prevents someone from starting the engine with an incorrectly coded key.

    See also:

    Rear suspension leaf spring shackle (P100 models) - removal and refitting
    Note: All self-locking nuts and spring washers must be renewed on reassembly. Removal 1 Chock the front wheels, jack up the rear of the vehicle and support on axle stands placed under the side me ...

    Throttle Position Sensor (TPS) - removal and refitting
    Removal 1 Disconnect the battery negative lead. 2 Unclip and disconnect the sensor wiring plug. 3 Remove the two securing screws, and withdraw the sensor from the throttle valve shaft (see illus ...

    Alternator - testing
    Note: To carry out the complete test procedure use only the following test equipment - a 0 to 20 volt moving coil voltmeter, a 0 to 100 amp moving coil ammeter, and a rheostat rated at 30 amps. 1 ...