TROUBLESHOOTING USING GSC FAULT CODES - Continued
The intake air heater output from the ECM controls the air inlet heater relay attached to the
engine. This failure code is usually due to a relay coil open or shorted, or a problem with the
CID 617 E FMI 02
CID 617 E FMI 05
CID 617 E FMI 06
Intake air heater.
FMI 02 - Erratic, Intermittent, or Incorrect Signal.
FMI 05 - Current is Below Normal or Circuit is Open.
FMI 06 - Current is Above Normal or Circuit is Grounded.
Turn the ENGINE CONTROL switch to OFF/RESET. Battery Disconnect Switch
is OFF; DEAD CRANK SWITCH is OFF.
Inspect engine harness wiring between intake air heater relay connector ENG-
P101 and ECM connector ENG-P2 per FO-2, sheet 1.
Repair or replace engine harness wiring (WP 0090), as necessary.
If wiring repair does not resolve fault, perform Air Inlet Heater Circuit Test (WP
Verify the problem has been resolved.