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Test Preparation

  1. Access control unit and remove 14-pin connector. If factory tester is being used, connect Test Adapter (126 589 05 21 00) to 14-pin connector. Turn on ignition. The LED symbols for battery and ground should be on, provided no fault is found.
  2. Push LED test button and check that all LED readouts are on. If no LED's are on, test connectors at voltage supply and cruise control. If correct, replace control unit.
  3. If LED lights are on, go to next test. If LED lights are not on, test control switch connector. Replace control switch, if necessary.
CONNECTOR IDENTIFICATION

Connector Size Location
Actuator 8-Pin Engine Compartment
Speed Sensor 2-Pin Behind Speedometer
Brake Switch 2-Pin Below LH Side Of Dash
Control Switch 5-Pin Below Steering Column
Control Unit 14-Pin At Control unit