C0628

DTC C0628





Test 1-6





Test 7-14

Circuit Description
The Automatic Level Control (ALC) position sensor is a potentiometer. The RIM determines the height of the rear of the vehicle based on the voltage from the position sensor. The RIM raises or lowers the rear of the vehicle in order to keep the vehicle level.

Conditions for Running the DTC
The RIM is powered up and DTC B1327 is not set.

Conditions for Setting the DTC
The (ALC) suspension position sensor reference or signal circuit is found to be shorted to battery voltage for more than 10 seconds.

Action Taken When the DTC Sets
The automatic leveling control will be disabled.

Conditions for Clearing the DTC
When the RIM does not detect voltage out of the specified range in the signal or reference circuit during the diagnostic self test.

Diagnostic Aids
^ Inspect for the addition of any aftermarket components.
^ Inspect all wiring carefully for chaffing and proper routing.
Test Description
The numbers below refer to the step numbers on the diagnostic table.
8. Make sure the good ground used is separate from the grounds used by the Rear Integration Module.