Operation CHARM: Car repair manuals for everyone.

Quick Test 5.0B - Switch Monitor Test

1. Key OFF.
2. Check that the following LED's are illuminated:
2C Memory Power.
2M Malfunction Code.
2P Check Connect.

NOTE: Other LED's may also be illuminated if an input is under the right condition. For example: If the coolant temperature is above 72° C (162° F), then the LED for the coolant will be on.

3. Go to Part 5.OC.