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Page Title:
CODE 11 VERNIER CONTROL SIGNAL VOLTAGE LOW (CONT). |
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 TM 9-2320-364-20-1
A4 CODE 11 VERNIER CONTROL SIGNAL VOLTAGE LOW (CONT).
4.
KNOWN INFO
TEST OPTIONS
WARNING
READ WARNING
CHECK ENGINE light (CEL)
Visual inspection.
on Page 2-179
comes ON and stays ON.
Code 11 only code displayed
REASON FOR QUESTION
on DDR.
Are DDEC ECM terminals and
Damaged terminals or
connectors (DDEC ECM and
POSSIBLE PROBLEMS
connectors can affect signal to
harness side) free of
DDEC ECM.
Vehicle harness connector
damage?
MC18 faulty.
DDEC ECM faulty.
Wires 916 and/or 952 shorted.
Wire 916 faulty.
Wires 1525 and/or 952 shorted.
Wires 1525 and/or 916 faulty.
Repair vehicle
Vernier control terminals
harness connector
damaged.
MC18 (Para 7-101).
NO
Vernier control faulty.
Verify repair, go to
Wires 240 and/or 241 shorted.
Step 12 of this Fault.
Wire 150 faulty.
Wire 240 faulty.
YES
Replace DDEC ECM
(Para 7-56).
Verify repair, go to
Step 12 of this Fault.
5.
KNOWN INFO
TEST OPTIONS
WARNING
READ WARNING
Resistance test.
CHECK ENGINE light (CEL)
on Page 2-179
STE/ICE-R #92.
comes ON and stays ON.
Are there
Code 11 only code displayed on
more than
DDR.
REASON FOR QUESTION
10,000 ohms or an open
Vehicle harness connector
circuit measured on wires 916
MC18 OK.
Resistance less than or equal to
and 952 at vehicle harness
DDEC ECM OK.
10,000 ohms indicates vehicle
connector MC18, terminals A3
+5 volt line wire 916 is shorted
POSSIBLE PROBLEMS
and C3?
to the return line
wire 952.
Wires 916 and/or 952 shorted.
Wire 916 faulty.
Repair wires 916
Wires 1525 and/or 952 shorted.
and/or 952 (see
Wires 1525 and/or 916 faulty.
schematic 2-1)
Vernier control terminals
NO
or notify DS
damaged.
Maintenance.
Vernier control faulty.
Verify repair go to
Wires 240 and/or 241 shorted.
Step 12 of this Fault.
Wire 150 faulty.
Wire 240 faulty.
YES
2-178
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