For 1990-2009 cars

### Circuit Description

The consecutive intake register will keep track of the number of times a compress sequence is initiated, without an exhaust sequence, while the vehicle is moving. This allows detection of air leaks when the vehicle is moving.

### Conditions for Setting the DTC

No exhaust sequence has occurred and the number of compress sequences is more than 10.

### Action Taken When the DTC Sets

• | All compressor intake activity is disabled.

• | The LEVELING indicator lamp flashes.

### Conditions for Clearing the DTC

• | Initiation of an exhaust sequence.

• | The ignition cycles from OFF to ON.

• | Using a scan tool.

### Diagnostic Aids

Refer to Automatic Level Control System Operation Check for diagnosis.