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Page Title:
CODE 41 TIMING REFERENCE SENSOR (TRS). |
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 TM 9-2320-364-20-1
2-13. DDEC II TROUBLESHOOTING (CONT).
A4 CODE 41 TIMING REFERENCE SENSOR (TRS).
INITIAL SETUP
Tools and Special Tools
Equipment Condition
Tool Kit, General Mechanic's: Automotive
Engine OFF, (TM 9-2320-364-10)
(Item 74, Appendix G)
Parking brake applied, (TM 9-2320-364-10)
STE/ICE-R (optional) (Item 3, Appendix G)
Wheels chocked, (TM 9-2320-364-10)
DDEC Repair Kit (Item 15, Appendix G)
Top engine access cover opened,
Multimeter (Item 44, Appendix G)
(TM 9-2320-364-10)
Reader, Diagnostic (Item 53, Appendix G)
Jumperwire
References
TM 9-2320-364-10
TM 9-4910-571-12&P
START
1.
KNOWN INFO
TEST OPTIONS
CHECK ENGINE light (CEL)
DDR TEST.
Is Code 41 the only code
comes ON and stays ON.
displayed on DDR?
REASON FOR QUESTION
POSSIBLE PROBLEMS
Isolate Fault.
DDEC ECM connector faulty.
DDEC ECM faulty.
Wires 109 and/or 110 are
shorted.
Wires 109 and/or 110 are open.
TRS connector faulty.
TRS faulty.
For both Codes 41
and 42, go to Step 3
NO
of this Fault. Other
codes, go to Fault
Index (Table 2-16).
YES
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