When Monitored and Set Condition
- When Monitored: With the ignition on.
- Set Condition: An improper voltage level has been detected by the Powertrain Control Module (PCM) on the Intake Air Temperature Sensor circuit.
| Possible Causes |
| IAT SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE |
| IAT SENSOR SIGNAL CIRCUIT SHORT TO GROUND |
| IAT SENSOR SIGNAL CIRCUIT SHORT TO SENSOR GROUND CIRCUIT |
| IAT SENSOR SIGNAL CIRCUIT OPEN |
| SENSOR GROUND CIRCUIT OPEN |
| INTAKE AIR TEMPERATURE SENSOR |
| POWERTRAIN CONTROL MODULE |
For a complete Powertrain Control Module Circuit Diagram, (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .