TM 9-6115-729-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
CORRECTIVE ACTION - Continued
STEP 3.
Check engine harness timing sensor connectors ENG-P4 and ENG-P5 and unit
injector connector ENG-P300/J300. Plug connectors in securely.
STEP 4.
Verify that CID 0253 FMI 02 personality module mismatch is not displayed on the
GSC. If the ECM has a problem with the internal personality module, the engine
will crank, but will not start. Replace ECM (WP 0084).
STEP 5.
Verify the problem has been resolved.
MALFUNCTION
Inlet Air Heater Malfunction.
CORRECTIVE ACTION
STEP 1.
If cold temperatures have not occurred, proceed to Personality Module Mismatch
MALFUNCTION within SYMPTOM 20.
STEP 2.
On EMCP set ENGINE CONTROL switch to COOL DOWN/STOP. Set Battery
Disconnect Switch to ON. Set DEAD CRANK SWITCH to NORMAL.
STEP 3.
Feel intake air heater.
STEP 4.
If heater is not warm, measure voltage across heater (FO-2, sheet 1).
a. If voltage is +24 Vdc, replace heater (WP 0103).
b. If voltage is 0 Vdc, measure voltage across coil of air intake heater relay.
c.
If voltage is +24 Vdc, replace relay (WP 0103).
d. If voltage is not +24 Vdc, check harness between ECM and relay and repair
or replace as required (WP 0090).
e. If harness is good, replace ECM (WP 0084).
STEP 5.
Verify the problem has been resolved.
MALFUNCTION
Winterization Kit Malfunction.
CORRECTIVE ACTION
STEP 1.
On EMCP set ENGINE CONTROL switch to OFF/RESET. Set Battery
Disconnect Switch to OFF. Set DEAD CRANK SWITCH to OFF.
STEP 2.
If fuel-fired heater was on, check wiring and continuity between winterization kit
control panel and fuel-fired heater (FO-1, sheet 6).
b. Inspect and repair or replace heater hoses (WP 0093).
c.
Repair or replace heater control box (WP 0091).
d. Replace fuel-fired heater (WP 0092).
0011-24
