Cruise Control Cannot Be Set: 3.2TL

Check cruise control main switch. See CRUISE CONTROL MAIN SWITCH under COMPONENT TESTS. Check SET/RESUME/CANCEL switch. See SET/RESUME/CANCEL SWITCH TEST under COMPONENT TESTS. Check brake switch and mounting. See BRAKE SWITCH under COMPONENT TESTS.
Check A/T gear position switch. See A/T GEAR POSITION SWITCH under COMPONENT TESTS. Check cruise control unit inputs. See CRUISE CONTROL UNIT INPUT under SYSTEM TESTS.
Check for poor connection at ground connector G101, located at left side of engine compartment, at end of upper radiator hose, below intake air duct. Check for open circuit in Black/Yellow wire between cruise control unit, cruise control main switch and fuse No. 6 (15-amp) in driver's underdash fuse/relay box. Check for open circuit in Light Green wire between cruise control main switch, cruise control unit and brake switch. See WIRING DIAGRAMS .
Check for open circuit in Light Green/Red wire between cable reel and cruise control unit. Check for open circuit in Gray wire between brake switch and cruise control unit. Check for open circuit in Blue/Yellow wire between cruise control unit and A/T gear position switch. Also check for open circuit in Blue/Green wire between cruise control unit and PCM. See WIRING DIAGRAMS .