Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Suspension Controls Schematics | |||
1 | Did you perform the Air Suspension Diagnostic System Check? | Go to Step 2 | |
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 |
Does the test lamp illuminate? | 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 |
