Symptom Chart

Symptom	Possible Causes	Action
Tail / license plate lamp(s) inoperative	Bulb failure Fuse(s) blown Tail / license plate lamp(s) circuit short circuit to ground, open circuit, high resistance Lighting control switch fault	Check the bulb condition Check the fuse condition Refer to the electrical circuit diagrams and test the tail / license plate lamp(s) circuit for short circuit to ground, open circuit, high resistance Test the operation of the lighting control switch Using the manufacturer approved diagnostic system, check the Central Junction Box (CJB) for related DTCs and refer to the relevant DTC index
Tail / license plate lamp(s) dim	Incorrect bulb rating Tail / license plate lamp(s) circuit high resistance Lighting control switch fault	Check the bulb condition and rating Refer to the electrical circuit diagrams and test the tail / license plate lamp(s) circuit for high resistance Test the operation of the lighting control switch
Tail / license plate lamp(s) stuck on	Tail / license plate lamp(s) circuit short circuit to power Lighting control switch fault	Refer to the electrical circuit diagrams and test the tail / license plate lamp(s) circuit for short circuit to power Test the operation of the lighting control switch Using the manufacturer approved diagnostic system, check the Central Junction Box (CJB) for related DTCs and refer to the relevant DTC index
Tail / license plate lamp(s) inoperative when the automatic headlamp switch option is selected	Fuse(s) blown Lighting control switch fault Autolamps circuit short circuit to ground, short circuit to power, open circuit, high resistance Rain/Light sensor fault Rain/light sensor LIN circuit fault	Check the fuse(s) Test the operation of the lighting control switch Refer to the electrical circuit diagrams and test the autolamps circuit for short circuit to ground, short circuit to power, open circuit, high resistance Refer to the electrical circuit diagrams and test the rain/light sensor power and ground circuits for open circuit, high resistance Refer to the electrical circuit diagrams and test the rain/light sensor LIN circuit for short circuit to ground, short circuit to power, open circuit, high resistance Using the manufacturer approved diagnostic system, check the Central Junction Box (CJB) for related DTCs and refer to the relevant DTC index