MID 128 PID 45 — INLET AIR HEATER STATUS Reaction from Engine Management System (EMS) Module: Failure Mode Identifier (FMI): 3 (Voltage Above Normal or Shorted to High), 4 (Voltage Below Normal or Shorted to Low), 5 (Current Below Normal or Open Circuit) MIL lamp illuminated Noticeable external symptoms: Induction air is hot Parameter Identification (PID): P45 Preheat relay is impossible to turn off Message Identification (MID): 128 FMI 5 Current Below Normal or Open Circuit FMI 3 Conditions for fault code: Voltage Above Normal or Shorted to High Open Circuit Conditions for fault code: Possible causes: Short Circuit+, Measuring line Faulty Preheat relay Possible causes:
Faulty harness Preheat relay solenoid shorted Reaction from Engine Management System (EMS) Module: Reaction from Engine Management System (EMS) Module: MIL lamp illuminated MIL lamp illuminated Noticeable external symptoms: Noticeable external symptoms: Preheat relay not activated Preheat relay not activated White smoke for cold start White smoke for cold start Start problems in cold climate Start problems in cold climate FMI 4 Voltage Below Normal or Shorted to Low Conditions for fault code: Short Circuit-, Measuring line Possible causes: Faulty harness Page 20 MID 128-PID 45