Did you perform the Air Suspension Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Air Suspension

Did you review the Air Suspension Description and Operation?

Go to Step 3

Go to Air Suspension Description and Operation

Perform a visual inspection checking for the following:

Did you find and correct the condition?

Go to Step 9

Go to Step 4

Cycle the rear compartment inflator switch.

Does the compressor operate?

Go to Step 5

Go to Inflator Inoperative

Check the vehicle D-height . Refer to Trim Height Specifications and Trim Height Inspection .

Are the measurements within the specified values?

Go to Step 6

Go to Step 7

Perform the air suspension air leak diagnosis. Refer to Air Suspension Air Leak Diagnosis .

Did you find and correct the condition?

Go to Step 10

System OK

Recalibrate the air suspension level sensors. Refer to Rear Air Spring Level Sensor Calibration .

Did you find and correct the condition?

Go to Step 10

Go to Step 8

Replace the air spring sensor. Refer to Air Spring Leveling Sensor Replacement .

Did you find and correct the condition?

Go to Step 10

Go to Step 9

1. Subtract the Service Preferred Trim Height specification from the value obtained in step 12 of the Air Spring Leveling Sensor replacement procedure.
2. Add the value to the Service Preferred Trim Height specification. This is the adjusted D-Height measurement.
3. Repeat the Air Spring Calibration procedure using this value in place of the D-Height specification in step 7 of the Air Spring Calibration procedure.

Did you find and correct the condition?

Go to Step 10

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

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