Volvo Engine D11L (Tier 4) Fault Code: PID 45 FMI 5 Inlet Air Heater Status
Volvo Engine D11L (Tier 4) Fault Code: PID 45 FMI 5 Inlet Air Heater Status
CONTROL UNIT:
Engine ECU
DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is between 8 V and 16 V (0.33 x Ubat and 0.66 x Ubat).
SYMPTOM:
1. Preheating not functioning.
2. Difficult to start in extreme cold.
POSSIBLE CAUSES:
1. Open circuit.
2. Defective relay.
3. Short circuit to higher voltage.
