For 1990-2009 cars

### Emissions Related DTCs

#### Action Taken When the DTC Sets - Type A

The engine control module illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails.

#### Action Taken When the DTC Sets - Type B

The engine control module illuminates the MIL on the second consecutive ignition cycle that the diagnostic runs and fails.

#### Conditions for Clearing the MIL/DTC - Type A or Type B

• | The engine control module turns OFF the MIL after 3 consecutive ignition cycles that the diagnostic runs and does not fail.

• | A current DTC Last Test Failed clears when the diagnostic runs and passes.

• | Use a scan tool in order to clear the MIL and the DTC.

### Non-Emissions Related DTCs

#### Action Taken When the DTC Sets - Type C

• | The engine control module stores the DTC information into memory when the diagnostic runs and fails.

• | The MIL will not illuminate.

• | The driver information centre, if equipped, may display a message.

#### Conditions for Clearing the DTC - Type C

• | A last test failed, or current DTC, clears when the diagnostic runs and passes.

• | Use a scan tool in order to clear the DTC.