TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Engine Electrical System > Cruise Control System >
Troubleshooting, TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Engine Electrical System > Cruise Control
System > Troubleshooting
TROUBLE SHOOTING
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.
Symptom
Suspect Area
Cruise control cannot be set
Main switch
SET/RESUME/CANCEL switch
Brake switch
A/T gear position switch
Cruise control nuit
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 nuit
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
Vhicle speed sensor
Cruise control unit and actuator cable deflection
Cruise control nuit
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
Page 1 of 1
24.04.2008
http://www.hmaservice.com/viewer/content.asp?IsPrint=true&imgnum=1&print_title...