Intake Air Temperature Sensor: 2.0L
- Ensure engine is cold. Connect scan tool to Data Link connector (DLC) located below A/C-heater control panel. With scan tool in READ MEASURING VALUE BLOCK function, read intake air temperature value in field No. 4 of scan tool.
- Temperature value must increase uniformly without interruption. The value, 19.6°C, will be displayed if there is an interruption (open) or if this temperature is reached. If air intake temperature value does not change, test circuit using appropriate Ground & Power Circuits Check ECM ground and power circuits using appropriate PIN VOLTAGE CHARTS article. If necessary, replace IAT sensor. After repairs, erase DTC memory (if applicable) and select END OUTPUT function.