P009A - Intake Air Temperature/Ambient Air Temperature Correlation
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DTC DESCRIPTION P009A - INTAKE AIR TEMPERATURE /AMBIENT AIR TEMPERATURE CORRELATION
| Description: This DTC sets when the intake air temperature (IAT) sensor is greater than or less than the ambient air temperature (AAT) sensor reading by a calibrated value. | |||
Possible Causes:
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| Diagnostic Aids: Make sure the IAT, AAT and engine coolant temperature (ECT) sensor readings are within 18°C (32.4°F) of each other after 6 to 8 hours at a stabilized ambient temperature. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST F . | ||