Cruise Control Cannot Be Set
- Check cruise control unit inputs. See procedures under CRUISE CONTROL UNIT INPUT TEST under DIAGNOSIS & TESTING. Check main switch. See MAIN SWITCH under DIAGNOSIS & TESTING. Check SET/RESUME/CANCEL switch. See SET/RESUME/CANCEL SWITCH under DIAGNOSIS & TESTING. Check brakelight switch and mounting. See BRAKELIGHT SWITCH under DIAGNOSIS & TESTING. Check gearshift position switch. See GEARSHIFT POSITION SWITCH under ADJUSTMENTS.
- Check cruise control unit ground connection, located behind left kick panel, below hood release. Check cruise control actuator ground connection located behind right side of bumper, in engine compartment. See WIRING DIAGRAM . Repair wires and connections as necessary.
- Check the following wires for opens or loose and/or disconnected terminals. See WIRING DIAGRAM . Repair wires as necessary and recheck system operation. Check Blue/Red wire between horn relay and clockspring. Check Light Green/Red wire between cruise control unit and clockspring. Check Black/Yellow wire between ignition switch and fuse No. 1 (10-amp), located in fuse/relay box under instrument panel.
- Check Light Green wire between cruise control unit, brake switch and main switch. Check Gray wire between cruise control unit and brake switch. Check Orange wire between cruise control unit and Vehicle Speed Sensor (VSS). Check Brown, Brown/Black and Brown/White wires between cruise control unit and cruise control actuator assembly. Check Pink wire between cruise control unit and gearshift position switch (A/T). See WIRING DIAGRAM . Repair wires as necessary.