Operation CHARM: Car repair manuals for everyone.

Component Testing

I/P Cluster

Refer to cluster diagnosis section.

Repair as needed.

If this component is good, go to the next item indicated on the chart.

Headlamp Switch (Sedan)

Check switch resistances.

Pin A to Pin C in: Off Open
Park Open
Headlamp Less than 1 ohm
High Beam Open

Pin E to Pin C in: Off Open
Park Open
Headlamp Open
High Beam Less than 1 ohm

Pin G to Pin C in: Off Open
Park Open
Headlamp Open
High Beam Less than 1 ohm


Check for OPENS/SHORTS.
Repair as needed.
If this component is good, go to the next item indicated on the chart.

Head Lamp Bulbs


Visually inspect the high and low beam bulbs.
Check resistance through the bulb.
Check for OPENS/SHORTS.
Repair as needed.


If this component is good, go to the next item indicated on the chart.


Headlamp Bulb Sockets


Check resistance through the bulb sockets.
Check for OPENS/SHORTS.
Repair as needed.
If this component is good, go to the next item indicated on the chart.