1988 Jeep Cherokee Cruise Control System

1988 Jeep Cherokee. 1988 speed control. CRUISE COMMAND JEEP. All models. Description and Operation column ….

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1988 Jeep Cherokee CRUISE CONTROL SYSTEM
DESCRIPTION & OPERATION

  • CONTROL MODULE
  • SERVO
  • CONTROL SWITCH
  • RELEASE SYSTEM

TROUBLE SHOOTING

  • SYSTEM WILL NOT ENGAGE
  • RESUME FEATURE INOPERATIVE
  • ACCELERATE FUNCTION INOPERATIVE
  • SYSTEM RE-ENGAGES WHEN BRAKE PEDAL IS RELEASED
  • CARBURETOR THROTTLE DOES NOT RETURN TO IDLE POSITION
  • ROAD SPEED CHANGES 2 MPH OR MORE WHEN SETTING SPEED
  • ENGINE ACCELERATES WHEN STARTED
  • SYSTEM DISENGAGES ON LEVEL ROAD WITHOUT APPLYING BRAKES
  • ERRATIC OPERATION
  • VEHICLE CONTINUES TO ACCELERATE WHEN SET BUTTON IS RELEASED
  • SYSTEM ENGAGES BUT SLOWLY LOSES SET SPEED

ADJUSTMENTS

  • CONTROL MODULE ADJUSTMENT
  • VACUUM VENT VALVE

TESTING

  • PRELIMINARY INSPECTION
  • CRUISE COMMAND SYSTEM TESTS
  • CONTROL SWITCH CONTINUITY
  • WRANGLER CRUISE CONTROL TESTING
  • CORRECT POWER SOURCE
  • SYSTEM ELECTRICAL CONTINUITY
  • COAST CONTINUITY TEST
  • SERVO CHARGE VALVE SOLENOID CONTINUITY
  • SYSTEM DISENGAGEMENT WITH BRAKE PEDAL DEPRESSED

Figures:

  1. Cruise Control System Components
  2. Control Module Adjustment Screws
  3. Cherokee, Comanche & Wagoneer Control Switch Continuity Test
  4. Grand Wagoneer Control Switch Continuity Test Chart
  5. Servo Wire Harness Connector (Except Grand Wagoneer)
Download 1988 Jeep Cherokee Cruise Control System pdf from jeepgarage.free.fr, 11 pages, -KB.
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