Workshop Manuals Factory service & repair Land Rover
Land Rover Discovery II (UK)14 · Engine management system - V8
14 · Engine

Hill Decent Control (HDC) (Engine management system - V8)

Make
Land Rover
Model
Discovery II (UK)
Section
Description and operation › Hill Decent Control (HDC)
Engine management system - V8Hill Decent Control (HDC)

Hill Decent Control (HDC)

Refer to Brakes for description of the hill descent control. BRAKES, DESCRIPTION AND OPERATION, Description.

High/Low ratio switch

Refer to Transfer Box for description of the high/ low ratio switch transfer box components. TRANSFER BOX - LT230SE, DESCRIPTION AND OPERATION, Description.

Malfunction Indicator Lamp (MIL)/ service engine soon warning lamp

Malfunction indicator lamp (mil)/ service engine soon warning lamp – Refer to Transfer Box for description of the high/ low ratio switch transfer box component

The MIL/ service engine soon warning lamp is located in the instrument cluster. It illuminates to alert the driver to system malfunctions. Service engine soon warning lamp is the name for this warning lamp in NAS only, it is called MIL in all other markets.

During ignition a self-test function of the lamp is carried out. The lamp will illuminate for 3 seconds then it will extinguish if no faults exist. INSTRUMENTS, DESCRIPTION AND OPERATION, Description.

Input/Output The MIL is supplied with battery voltage from the instrument cluster. When the ECM detects a fault, it provides an earth path to illuminate the MIL. Output to the MIL is via pin 20 of connector C0637 of the ECM.

Parts & tools for this job For Land Rover Discovery

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