For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 |

1. Disconnect the auto level control air inflator relay.
2. Using a test light, backprobe the auto level control air inflator relay harness connector terminal A to terminal D.
3. Press the air inflator switch OFF button.

Is the test light on?

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Go to Step 2

Go to Step 3

2 | Replace the auto level control air inflator relay. Refer to:

• | Automatic Level Control Relay Replacement for long wheel base with HVAC

• | Automatic Level Control Relay Replacement for long wheel base without HVAC

• | Automatic Level Control Relay Replacement for short wheel base

Has the repair been made and the system rechecked?

--

System OK

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3 | Replace the auto level control air inflator switch. Refer to:

• | Automatic Level Control Inflator Air Switch Replacement for long wheel base with HVAC

• | Automatic Level Control Inflator Air Switch Replacement for long wheel base without HVAC

• | Automatic Level Control Inflator Air Switch Replacement for short wheel base

Has the repair been made and the system rechecked?

--

System OK

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