landrover Workshop Repair Guides

Land Rover Workshop Service and Repair Manuals

Description - cruise control|Page 430 > < Description - cruise control|Page 428
Page 365
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ENGINE MANAGEMENT SYSTEM - V8

18-2-66 DESCRIPTION AND OPERATION

Cruise control ECU

The cruise control ECU controls the cruise control system.

Most functions of the cruise control ECU are described under other components.

Input/Output
The diagnostic line for the cruise control system is between cruise control ECU and diagnostic socket.

The cruise control ECU does not generate fault codes however the following system information is available via 
TestBook:

l

Last switch off reason, which was due to unacceptable speed input.

l

Speed signal detected.

l

Below minimum speed threshold.

l

Current vehicle speed.

l

Recorded SET road speed.

ECU operating parameters (connector connected)

Pin No.

Condition

Volts

Ohms

18

All conditions

Less than 0.5 to earth

Description - cruise control|Page 430 > < Description - cruise control|Page 428