B0989

DTC B0989

CIRCUIT DESCRIPTION

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B0989 Output Air Temperature Lower Sensors Correlation

CONDITIONS FOR RUNNING THE DTC

CONDITIONS FOR SETTING THE DTC

ACTION TAKEN WHEN THE DTC SETS
- The control module stores the DTC information into memory when the diagnostic runs and fails.
- The malfunction indicator lamp (MIL) will not illuminate.
- The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Failure Records.
- The driver information center, if equipped, may display a message.

CONDITIONS FOR CLEARING THE DTC
- A current DTC Last Test Failed clears when the diagnostic runs and passes.
- A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other non-emission related diagnostic.
- Clear the DTC with a scan tool.

DIAGNOSTIC AIDS

TEST DESCRIPTION

Steps 1-7:

The numbers below refer to the step numbers on the diagnostic table.
3. Tests whether the condition is module, system, or condition related.
4. Tests if the condition has been corrected or identified as specified in the supporting text.