Trouble Shooting
Before proceeding to SYSTEM TESTS , perform the following visual inspections:
- Check condition of POWER WINDOW CIRCUIT BREAKER (30-amp), located in I/P fuse box or Body Bussed Electrical Center. If fuse is open, locate and repair cause of overload. Replace if damaged.
- Check for mechanical failures or binding linkage.
- If express down feature does not work, but window moves down with each switch depression, replace left window switch.
- Check for broken or partially broken wire inside insulation, which could cause system malfunction but prove good in a continuity/voltage check with system disconnected. These circuits may be intermittent or resistive when loaded. Check by monitoring voltage drop with system under load.
- Check for proper installation of aftermarket electronic equipment.