TM 9-6115-730-24
0009
TROUBLESHOOTING USING GSC FAULT CODES Continued
SYMPTOM
34.
CID 273 FMI 03
CID 273 FMI 04
MALFUNCTION
Turbo Outlet Pressure Sensor.
FMI 03 - Voltage Above Normal.
FMI 04 - Voltage Below Normal.
CORRECTIVE ACTION
Troubleshoot turbo outlet pressure sensor using steps in SYMPTOM 12.
SYMPTOM
35.
CID 274 FMI 02
MALFUNCTION
Atmospheric Pressure Sensor.
FMI 02 - Erratic, Intermittent, or Incorrect Signal.
CORRECTIVE ACTION
STEP 1.
On EMCP, turn ENGINE CONTROL switch to OFF/RESET. Battery Disconnect
switch is OFF, DEAD CRANK SWITCH is OFF.
STEP 2.
Perform Wiggle Test (WP0013, SYMPTOM 1) and verify continuity between
ENG-P2 and atmospheric pressure sensor connector ENG-P203 (per FO-2,
sheet 1) Repair or replace engine harness wiring (WP 0088), as necessary.
STEP 3.
On EMCP, turn ENGINE CONTROL switch to COOL DOWN/STOP. Battery
Disconnect switch is ON, DEAD CRANK SWITCH is NORMAL.
STEP 4.
Check for an active 02 diagnostic code. If the fault has not been resolved,
STEP 5.
If replacing sensor does not resolve fault, replace ECM (WP 0082).
STEP 6.
Verify the problem has been resolved.
0009-29