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Page Title:
CODE 41 TIMING REFERENCE SENSOR (TRS) (CONT). |
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 TM 9-2320-364-20-1
A4 CODE 41 TIMING REFERENCE SENSOR (TRS) (CONT).
5.
KNOWN INFO
TEST OPTIONS
CAUTION
Read CAUTION
CHECK ENGINE light (CEL)
Resistance test.
on Page 2-319
comes ON and stays ON.
STE/ICE-R #91.
Are there
DDEC ECM connector OK.
DDEC ECM OK.
5 ohms or
REASON FOR QUESTION
Wires 109 and/or 110 are not
less measured between wires
shorted.
Resistance more than 5 ohms
109 and 110 at engine
at engine harness connector
harness connector, terminals
indicates signal line wire 110 or
POSSIBLE PROBLEMS
T1 and T2?
return line wire 109 are open.
Wires 109 and 110 are open.
TRS connector faulty.
TRS faulty.
Repair wires 110
and/or 109 (see
schematic Fig 2-2) or
NO
notify DS
Maintenance.
Verify repair, go to
Step 7 of this Fault.
YES
6.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CHECK ENGINE light (CEL)
Visual inspection.
on Page 2-319
comes ON and stays ON.
DDEC ECM connector OK.
REASON FOR QUESTION
DDEC ECM OK.
Are TRS terminals and
Wires 109 and 110 are not
Damage to terminals or
connectors (TRS and harness
shorted.
connectors can affect signal to
Wires 109 and 110 are not open.
side) free from damage?
TRS.
POSSIBLE PROBLEMS
TRS connector faulty.
TRS faulty.
Repair TRS
connectors
(Para 7-101).
NO
Verify repair, go to
Step 7 of this Fault.
YES
Replace TRS.
Notify DS
Maintenance.
2-318
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