Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Automatic Level Control 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 | Is the rear of the vehicle too high? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 | Disconnect the air tube from the compressor. Does the rear of the vehicle drop? | Go to Step 4 | Go to Step 6 |
4 | Disconnect the compressor motor relay. Does the compressor motor continue to run? | Go to Step 5 | Go to Step 7 |
5 | Test the battery positive voltage circuit of the compressor motor for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 8 | -- |
6 | Inspect all air tubes for kinked, bent, and blockage. Inspect the exhaust valve for blockage. Did you find and correct the condition? | Go to Step 8 | -- |
7 | Replace the compressor motor relay. Did you complete the replacement? | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
