Symptom Chart

Symptom	Possible Causes	Action
Rear fog lamp inoperative	Bulb failure Fuse(s) blown Rear fog lamp circuit short circuit to ground, open circuit, high resistance Rear fog lamp switch fault	Check the bulb condition Check the fuse(s) Refer to the electrical circuit diagrams and test the rear fog lamp circuit for short circuit to ground, open circuit, high resistance Test the operation of the rear fog lamp switch Using the manufacturer approved diagnostic system, check the Central Junction Box (CJB) for related DTCs and refer to the relevant DTC index
Rear fog lamp dim	Incorrect bulb rating Rear fog lamp circuit high resistance Rear fog lamp switch fault	Check the bulb condition and rating Refer to the electrical circuit diagrams and test the rear fog lamp circuit for high resistance Test the operation of the rear fog lamp switch
Warning lamp inoperative	Fuse(s) blown Rear fog lamp switch fault Instrument cluster fault	Check the fuse(s) Test the operation of the rear fog lamp switch Using the manufacturer approved diagnostic system, check the Instrument Cluster (IC) for related DTCs and refer to the relevant DTC index