Without Throttle Actuator Control
CRUISE CONTROL INOPERATIVE/MALFUNCTIONING (WITHOUT THROTTLE ACTUATOR CONTROL)
DIAGNOSTIC AIDS
To avoid a misdiagnosis, inspect for the following:
- Proper operation of the stop lamps-Refer to Exterior Lighting Systems Description and Operation in Lighting Systems.
- Proper adjustment of the cruise control cable-Refer to Cruise Control Cable Adjustment.
- The throttle linkage is not binding.
Electromagnetic interference on the speed sensor signal circuit may cause erratic cruise control operation.
For an intermittent condition,
CONDITIONS FOR ENABLING CRUISE CONTROL
- The vehicle speed is greater than 40 km/h (25 mph).
- The vehicle is not in PARK, REVERSE, NEUTRAL, or 1st gear.
- The system voltage is within 9-16 volts.
TEST