Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Suspension Controls Schematics | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
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 compressor turn on? | Go to Step 4 | Go to Step 8 |
4 | Test the signal 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 , Testing for a Short to Voltage , Testing for Intermittent Conditions and Poor Connections in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 5 |
5 | Test the low reference 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 , Testing for a Short to Voltage , Testing for Intermittent Conditions and Poor Connections in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 6 |
6 | Inspect for poor connections at the harness connector of the air suspension inflator switch. Did you find and correct the condition? | Go to Step 10 | Go to Step 7 |
7 | Replace air suspension inflator switch. Refer to Inflator Air Switch Replacement . Did you complete the replacement? | 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 10 | Go to Step 9 |
9 | Replace air suspension module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
