When Monitored and Set Condition
- When Monitored: Ignition on.
- Set Condition: The Intake Air Temperature (IAT) Sensor reading is greater than 4.93 volts for approximately 1 second.
| Possible Causes |
| FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT OPEN |
| INTAKE AIR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO 5-VOLT SUPPLY CIRCUIT |
| INTAKE AIR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE |
| INTAKE AIR TEMPERATURE 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) .