CRUISE CONTROL INOPERATIVE/MALFUNCTIONING Diagnostic Aids Conditions for Enabling Cruise Control Ã When vehicle speed is more than 40 km/h (25 mph) Ã When PARK, REVERSE, NEUTRAL, or 1st gear is not indicated. Ã When an over/undercharged battery condition does not exist. Ã With normal engine RPM. IMPORTANT: Perform the following in order to avoid misdiagnosis. Ã Inspect for proper operation of brake lamps. Ã Inspect throttle linkage for mechanical binding which could cause the system to malfunction. Ã Inspect cruise control cable adjustment, should have minimum slack. Ã Inspect for stored Diagnostic Trouble Codes (DTCs) in the PCM. Ã EMI on the speed sensor signal circuit may cause erratic cruise control operation. Module is 2nd diagram with part 2 pointing to it.
Saturday, June 20th, 2009 AT 6:10 PM