Compressor Runs at All Times
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Compressor Runs at All Times
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Air Suspension Schematics | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Verify the fault is present. Does the system operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Remove the electronically controlled air suspension relay. Does the compressor stop running? |
Go to Step 4 | Go to Step 6 |
| 4 | Test the relay for continuity between pin 30 and pin 87. Does the relay have continuity? |
Go to Step 5 | - |
| 5 | Replace the relay. Did you complete the replacement? |
Go to Step 7 | - |
| 6 | Check for short to battery on the compressor battery positive voltage circuit. Did you find and correct the condition? |
Go to Step 7 | - |
| 7 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |