GM Service Manual Online
For 1990-2009 cars only
RIM -- Auto Leveling Information Data List -- Leveling Sensor Feed: Voltage feed to the suspension position sensor.

RIM -- Auto Leveling Information Data List -- Accum Fault-- Compressor: A defined period of time that the compressor is active with out an exhaust cycle.

RIM -- Auto Leveling Information Data List -- Progress Fault-- Compressor: A defined period of time that the compressor is active and no change is detected by the sensor.

RIM -- Auto Leveling Information Data List -- Accum Fault--Exhaust: A defined period of time that the exhaust is active with out a compressor cycle.

RIM -- Auto Leveling Information Data List -- Progress Fault--Exhaust: A defined period of time that the exhaust is active and no change is detected at the sensor.

RIM -- Auto Leveling Information Data List -- Trim Value: A value programmed in the RIM.

RIM -- Auto Leveling Information Data List -- Filtered Position Valve: As the vehicle operates the suspension position sensor is monitored, and the information is filtered, to the RIM so it can adjust the suspension.

RIM -- Module 1 Information Data List -- Prom I.D.: The modules internal PROM identifier.

RIM - Module 1 Information Data List - Calibration I.D.: This number designates the modules calibration.

RIM-- ALC Relearn: This procedure reprograms the RIM with the ride height specification, per the suspension option.