Test Description

The numbers below refer to the step numbers in the diagnostic procedure.

1. 7  - An IAT sensor that is skewed low can cause this DTC to set.
2. 8  - A snapshot is the quickest method to capture the data before it changes.
3. 10  - This step will determine if high resistance has caused this DTC to set.
4. 12  - A high resistance short from the signal circuit to the low reference circuit can cause this DTC to set.