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Home >> Plymouth >> 1988 >> Voyager Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 2.5L CEC System >> Cruise Control System (CCS) Tests >> CCS5 - Set CKT Check

CCS5 - Set CKT Check

  1. With tester connected to diagnostic connector, put system in Sensor Test "09". Refer to ENTERING ON-BOARD DIAGNOSTICS  in this article. Turn cruise control on. Without disconnecting connector, connect a jumper wire between Dark Blue/Red and Brown/Red wires of cruise control switch harness connector. If display on tester is "00', replace cruise control switch. If display on tester is "10", go to next step.
    Fig 1: Cruise Control Switch Jumper Connection
    G11989
  2. Turn ignition off. Disconnect 60-pin connector from SMEC. Connect a voltmeter between Brown/Red wire in cavity No. 9 and ground. Turn ignition on. If voltmeter reads battery voltage, replace SMEC for a bad logic board. Before replacing SMEC, check cavity No. 9 of 60-pin connector for an open circuit to cruise control switch. If voltmeter reads zero volts, repair Brown?Red wire of cavity No. 9 for an open circuit to cruise control switch.
Fig 2: Testing No. 9 of 60-Pin Connector
G72080