Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Does the compressor activate after 25 seconds? | -- | Go to Step 2 | Go to Step 9 |
2 | Did the compressor remain active longer than 3 minutes? | -- | Go to Step 3 | Go to Step 4 |
3 | Refer to the Automatic Level Control System Operation Check for diagnosis. Is the repair complete? | -- | System OK | -- |
4 | Did the rear of the vehicle return to the original trim height? | -- | Go to Step 6 | Go to Step 5 |
5 | Refer to Height Sensor Operational Check for diagnosis. Is the repair complete? | -- | System OK | -- |
6 |
Does the valve activate after 25 seconds? | -- | Go to Step 7 | Go to Step 9 |
7 | Inspect the vehicle trim height after 5 minutes. Did the rear of the vehicle return to the original trim height? | -- | Go to Step 9 | Go to Step 8 |
8 | Refer to Automatic Level Control Compressor Motor Inoperative for diagnosis. Is the repair complete? | -- | System OK | -- |
9 |
Does the scan tool communicate with the ALC Sensor? | -- | Go to Step 11 | Go to Step 10 |
10 | Go to Scan Tool Does Not Communicate with Automatic Level Control Sensor in Data Link Communications for diagnosis. Is the repair complete? | -- | System OK | -- |
11 | Are any current DTCs displayed? | -- | Go to Step 12 | Go to Step 13 |
12 | Refer to the Diagnostic Trouble Code (DTC) List/Type for the applicable DTC diagnosis. Is the repair complete? | -- | System OK | -- |
13 | Are any history or intermittent DTCs displayed? | -- | Go to Step 14 | System OK |
14 |
Is the repair complete? | -- | System OK | -- |
