Symptom Chart

Condition	Possible Sources	Action
No communication with the smart junction box (SJB)	Bussed electrical center (BEC) fuse(s): 58 (30A) 64 (20A) Circuitry SJB	REFER to MODULE COMMUNICATIONS NETWORK article for communication network diagnosis.
All power windows are inoperative	Circuitry Smart junction box (SJB)	Go to Pinpoint Test A .
A single power window is inoperative - LH front	Bussed electrical center (BEC) fuse 6 (30A) Circuitry Accessory delay relay 2 Window motor LH window control switch Smart junction box (SJB) Fuse	Go to Pinpoint Test B .
A single power window is inoperative - RH front	Fuse Circuitry Accessory delay relay 1 Window motor LH window control switch RH window control switch	Go to Pinpoint Test C .
All power windows are inoperative - power vent windows	Fuse Circuitry Accessory delay relay 1 Quarter window switch Smart junction box (SJB)	Go to Pinpoint Test D .
The left or right power window is inoperative - power vent windows	Circuitry Quarter window motor	Go to Pinpoint Test E .
The one-touch up/down feature is inoperative	LH front window control switch	INSTALL a new LH front window control switch.
The defrost system is inoperative	Fuse Circuitry Rear window defrost switch Rear window defrost relay Rear window glass Smart junction box (SJB)	Go to Pinpoint Test F .
The defrost system will not shut off automatically	Circuitry Rear window defrost switch Rear window defrost relay Smart junction box (SJB)	Go to Pinpoint Test G .
The delayed accessory does not turn off	Circuitry Accessory delay relay 1 Smart junction box (SJB)	Go to Pinpoint Test H .
The delayed accessory is inoperative - does not operate correctly	Circuitry Delayed accessory relay 1 Smart junction box (SJB) Bussed electrical center (BEC) Fuse	Go to Pinpoint Test I .