Cruise Control - Inoperative/Malfunctioning

CRUISE CONTROL INOPERATIVE/MALFUNCTIONING

DIAGNOSTIC AIDS

IMPORTANT: Perform the following in order to avoid misdiagnosis.

- Inspect for proper operation of the brake lamps.
- Inspect the throttle linkage for mechanical binding which could cause the system to malfunction.
- Inspect the cruise control cable adjustment. It should have minimum slack.
- Inspect for stored DTCs in the powertrain control module (PCM). Refer to Diagnostic System Check - Vehicle in Vehicle DTC Information. Diagnostic System Check - Vehicle
- When testing vehicles equipped with steering wheel controls, the steering wheel must be rotated to each stop position while testing the cruise control switch signal circuits. This will ensure the integrity of the SIR coil.

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 1-12:

Steps 13-26:

Steps 27-41:

Steps 42-43: