P0380

Tests 1 - 3:

Tests 4 - 7:

Tests 8 - 9:

SYMPTOM
P0380 - INTAKE AIR HEATER RELAY # 1 CONTROL CIRCUIT

WHEN MONITORED
First 1 second of ignition ON.

SET CONDITION
ECM does not sense intake air heater relay turned ON.

POSSIBLE CAUSES
- DTC not equal to freeze frame DTC
- Engine Control Module
- Intake air heater relay # 1 control circuit open
- Intake air heater relay # 1 control circuit shorted to ground
- Intake air heater relay ground circuit open
- Intake air heater relay # 1