Trouble Shooting
NOTE:
Before troubleshooting:
- Check the No.3 (10A), No.13 (15A) and No.17 (10A) fuse in the under-hood fuse/relay box.
- Check that the horn sounds.
- Check the tachometer to see if it works properly.
TROUBLESHOOTING PROCEDURE
| Symptom | Suspect Area |
|---|---|
| Cruise control cannot be set | Main switch SET/RESUME/CANCEL switch Brake switch A/T gear position switch Cruise control unit |
| Cruise control cannot be set but indicator light does not go on | Dimming circuit in gauge Cruise control unit |
| Cruise speed is noticeably higher or lower than what was set | Vehicle speed sensor Cruise control unit and actuator cable deflection Cruise control unit |
| Excessive overshooting or undershooting when trying to set speed | Cruise control unit and actuator cable deflection Vehicle speed sensor Cruise control unit |
| Speed fluctuation on a flat road with cruise control set | Vehicle speed sensor Cruise control unit and actuator cable deflection Cruise control unit |
| Vehicle does not decelerate or accelerate accordingly when SET/RESUME/CANCEL button is pushed | Main switch SET/RESUME/CANCEL switch Cruise control unit |
| Cruise control does not cancel when shift lever is moved to N position (A/T) | A/T gear position switch Cruise control unit |
| Set speed is not cancelled when brake pedal is pushed | Brake switch Cruise control unit |
| Cruise control will not cancel when main switch is pushed OFF | Main switch SET/RESUME/CANCEL switch Cruise control unit |
| Cruise control will not cancel when CANCEL button is pushed | Main switch SET/RESUME/CANCEL switch Cruise control unit |
| Set speed will not resume when RESUME button (with main switch on, when set speed is temporarily cancelled) | Main switch SET/RESUME/CANCEL switch Cruise control unit |
| The transmission shifts down slower than normal when going up a hill with the cruise control on (A/T) | Troubleshooting the cruise control communication circuit |