Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.

NOTE:

To minimize the effects of residual engine heat and sensor internal heating elements, perform Steps 1 and 2 of this verification procedure only if the ignition has been OFF for 8 hours or more.
The vehicle sitting in direct sun light may skew the results.

Ignition ON.
Verify the following scan tool parameters are within 25°C (45°F) of each other.
- Start-Up IAT Sensor 1
- IAT Sensor 2
- Start-Up ECT
- If not within 25°C (45°F)
  Refer to Circuit/System Testing .
- If within 25°C (45°F)
Engine running.
Verify the scan tool Intake Air Humidity parameter is between 5 and 90%.
- If not within the specifications
  Refer to Circuit/System Testing .
- If within the specifications
Operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that you observed from the freeze frame/failure records data.
Verify the DTC does not set.
- If the DTC sets
  Refer to Circuit/System Testing .
- If the DTC does not set
All OK