Cruise Control Cannot Be Set
- Check ground connection G152 located in left front corner of engine compartment. Check ground connection G251 located at base of left "B" pillar. Check ground connection G301 located behind left kick panel. Check ground connection G304 located at base of right "B" pillar. Repair ground connections as necessary. Check cruise control unit inputs. See 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. See BRAKELIGHT SWITCH under DIAGNOSIS & TESTING. Check clutch switch on M/T vehicles. See CLUTCH SWITCH under DIAGNOSIS & TESTING. Check shift lever position switch on A/T vehicles. See SHIFT LEVER POSITION SWITCH under DIAGNOSIS & TESTING.
- Inspect the following wires for open circuit:
- Blue/Red wire between horns and SET/RESUME/CANCEL switch.
- Light Green/Red wire between SET/RESUME/CANCEL switch and cruise control unit connector (wire between SET/RESUME/CANCEL switch and cruise control unit passes through cable reel assembly).
- Blue wire between ignition system and cruise control unit connector.
- Yellow wire between underdash fuse No. 13 (7.5 amp) and dimming circuit for gauges.
- Black/Red wire between underdash fuse No. 20 (7.5 amp) and main switch (1991 only).
- Black/Red wire between underdash fuse No. 20 (7.5 amp), main switch and cruise control unit connector (1992 only).
- Light Green wire between main switch, brakelight switch and cruise control unit connector.
- Gray wire between brakelight switch and cruise control unit connector.
- Brown wire between actuator assembly and cruise control unit connector.
- Brown/Black wire between actuator assembly and cruise control unit connector.
- Brown/White wire between actuator assembly and cruise control unit connector.
- Pink wire between clutch switch (M/T) or shift lever position switch (A/T) and cruise control unit connector.
- Yellow/Red wire between speed sensor and cruise control unit connector. Repair wires as necessary.