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ENGINE MANAGEMENT SYSTEM - TD5 DESCRIPTION AND OPERATION 18-1-27 Clutch switch The clutch switch is located at the rear of the engine compartment on the RH side. The switch is operated by hydraulic l To cancel cruise control if operating. l To provide surge damping during gear change. Surge damping stops engine speed rising dramatically (engine flaring) during gear change. Surge damping assists l Smoother gear change. l Greater exhaust gas emission control. l Improved fuel consumption. Input/Output The clutch switch can fail in the following ways: l Switch open circuit. l Short circuit to vehicle supply. l Short circuit to earth. In the event of a clutch switch failure the ECM will react as follows: l Surge damping will be inactive. l Cruise control will be inactive. High/Low ratio switch TRANSFER BOX - LT230SE, DESCRIPTION AND OPERATION, Description. |