Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Main line between HVAC and A-bag circuitHeadlamp
System Diagram
System Description
Control of the headlamp system is dependent upon the position of the
combination switch (lighting and turn signal switch). When the lighting
switch is placed in the 2nd position, the BCM (body control module) receives
input requesting the headlamps and par ...
Preparation
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.
Commercial Service Tool
Sealant and/or Lubricant
...
Environmental factors influence the rate of corrosion
Moisture
Accumulation of sand, dirt and water on the vehicle
body underside can accelerate corrosion.
Wet floor coverings will not dry completely inside
the vehicle and should be removed for drying to
avoid floor panel corrosion.
Relative humidity
Corrosion will be accelerated in areas of h ...