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Cruise Control Diagnosis

  1. Check throttle linkage to servo for proper adjustment. If not okay, adjust linkage. If adjustment is okay, check all electrical and vacuum connections for proper engagement. Check fuse.
  2. If connections or fuse are not okay, repair or replace as necessary. If system is okay, perform SERVO TEST  . If servo is not okay, repair or replace as necessary.
  3. If servo is okay, perform CRUISE CONTROL SWITCH TEST  . If switch is not okay, adjust, repair or replace as necessary. If switch is okay, perform CRUISE RELEASE SWITCH TEST  .
  4. If switch is not okay, repair or replace as necessary. If switch is okay, perform SET/COAST SWITCH TEST  . If set/coast switch is not okay, repair or replace as necessary.
  5. If set/coast switch is okay, perform SPEED SENSOR TEST  . If speed sensor is not okay, repair or replace as necessary. If speed sensor is okay, replace control module.
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