Operation CHARM: Car repair manuals for everyone.

APC System (Automatic Boost Control)

Locations of components








7 Earthing point on the radiator cross-member
22A Fuse holder in the electrical distribution box, in the engine compartment, on the left-hand wheel housing
29 Brake light switch at the brake pedal
59 2-pole connector in the engine compartment, on the left-hand wheel housing
93 Earthing point on the left-hand wheel housing member
146 Amplifier for the electronic ignition system in the engine compartment, forward of the left-hand wheel housing
147 Ignition pulse amplifier in the electrical distribution box in the engine compartment, on the left-hand wheel housing
152A 29-pole white connector
152C 29-pole black connector
in the electrical distribution box, in the engine compartment, on the left-hand wheel housing. The connectors are accessible from the interior of the car.
177 Control unit for the APC system in the engine compartment, forward of the left-hand wheel housing
178 Knock sensor on the engine, below the intake manifold
179 Solenoid valve on the radiator fan casing
180 Pressure transmitter under the fascia, to the left of the steering column (behind the knee shield)
233 Vacuum switch in the engine compartment, on the left-hand wheel housing