Cruise Control - Inoperative/Malfunctioning
DIAGNOSTIC AIDSIMPORTANT: Perform the following steps in order to avoid misdiagnosis:
^ Inspect for proper operation of brake lamps.
^ Inspect for proper operation of the transmission range switch.
^ Inspect the throttle linkage for mechanical binding which could cause the system to malfunction.
^ Inspect the cruise control cable adjustment for 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 the vehicle speed is greater 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 1-7:
Steps 8-21:
Steps 22-33:
Steps 34-43:
