Cruise Control - Inoperative/Malfunctioning
CRUISE CONTROL INOPERATIVE/MALFUNCTIONINGDIAGNOSTIC AIDS
IMPORTANT: Perform the following in order to avoid misdiagnosis.
- Inspect for proper operation of brake lamps.
- Inspect throttle linkage for mechanical binding which could cause the system to malfunction.
- Inspect cruise control cable adjustment, should have minimum slack.
- Inspect for stored Diagnostic Trouble Codes (DTCs) in the PCM.
- EMI on the speed sensor signal circuit may cause erratic cruise control operation.
CONDITIONS FOR ENABLING CRUISE CONTROL
- When vehicle speed is more than 40 km/h (25 mph)
- When PARK, REVERSE, NEUTRAL, or 1st gear is not indicated.
- When an over/undercharged battery condition does not exist.
- With normal engine RPM.
TEST
Steps 1 - 3:
Steps 4 - 9:
Steps 10 - 16:
Steps 17 - 23:
Steps 24 - 30:
Steps 31 - 37:
Steps 38 - 43:
