Inflator Inoperative
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Inflator Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Suspension Controls Schematics | |||
| 1 | Did you perform the Air Suspension Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Air Suspension |
| 2 | Verify the fault is present. Does the system operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 |
|
Go to Step 4 | Go to Step 6 |
| 4 | Connect a 3 amp fused jumper wire between the control circuit of the air suspension compressor assembly and the ground circuit of the air suspension compressor assembly. Does the compressor start and run? |
Go to Step 7 | Go to Step 5 |
| 5 | Test the control circuit of the air suspension inflator switch for an open, short to ground, short to voltage and high resistance. Refer to Circuit Testing
, Testing for Short to Ground
or Testing for Intermittent Conditions and Poor Connections
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 8 |
| 6 | Inspect for poor connections at the harness connector of the Air Suspension Compressor Assembly. Did you find and correct the condition? |
Go to Step 11 | Go to Step 9 |
| 7 | Inspect for poor connections at the harness connector of the air suspension inflator switch. Did you find and correct the condition? |
Go to Step 11 | Go to Step 10 |
| 8 | Inspect for poor connections at the harness connector of the Air Suspension Compressor Assembly. Did you find and correct the condition? |
Go to Step 11 | Go to Step 9 |
| 9 | Replace the Air Suspension Compressor Assembly. Refer to Air Spring Compressor Replacement . Did you complete the replacement? |
Go to Step 11 | - |
| 10 | Replace the air suspension inflator switch. Refer to Inflator Air Switch Replacement . Did you complete the replacement? |
Go to Step 11 | - |
| 11 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |