Cruise Control - Inoperative/Malfunctioning
CRUISE CONTROL INOPERATIVE/MALFUNCTIONING
DIAGNOSTIC AIDS
Perform the following in order to avoid misdiagnosis:
- Ensure that the following cruise control switches are not stuck in the engaged position:
- On/Off switch
- Set/Coast switch
- Resume/Accel switch
- Inspect for proper operation of the stop lamps. Refer to Exterior Lighting Systems Description and Operation in Lighting Systems.
- Electromagnetic interference (EMI) on the speed sensor signal circuit may cause erratic cruise control operation.
- For an intermittent condition, refer to Diagnostic Aids for Circuit Testing and Wiring Repair procedures.
TEST