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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).
9.
KNOWN INFO
TEST OPTIONS
WARNING
CHECK ENGINE light (CEL)
READ WARNING
Visual inspection.
on Page 2-187
comes ON and stays ON.
Code 11 only code displayed on
DDR.
REASON FOR QUESTION
Vehicle harness connector
Are vernier control terminals
Damaged connectors or
MC18 OK.
and connectors free from
terminals can affect signal to
DDEC ECM OK.
damage?
DDEC ECM.
Wires 916 and 952 not shorted.
Wire 916 OK.
Wires 1525 and 952 not
shorted.
Wires 1525 and 916 not
shorted.
POSSIBLE PROBLEMS
Repair vernier
terminals (Para
NO
Vernier control terminals
7-101). Verify repair,
damaged.
go to Step 12 of this
Vernier control faulty.
Fault.
Wires 240 and/or 241 shorted.
Wire 150 faulty.
Wire 240 faulty.
YES
Replace vernier
control (Para 7-100).
Go to Step 10 of this
Fault.
10.
KNOWN INFO
TEST OPTIONS
WARNING
READ WARNING
CHECK ENGINE light (CEL)
DDR test.
on Page 2-187
comes ON and stays ON.
Code 11 only code displayed on
REASON FOR QUESTION
DDR.
Vehicle harness connector
Is code 11 displayed on DDR
Isolate fault.
MC18 OK.
after replacement of vernier
DDEC ECM OK.
control MC38?
Wires 916 and 952 not shorted.
Wire 916 OK.
Wires 1525 and 952 not
shorted.
Wires 1525 and 916 not
shorted.
Vernier control terminals OK.
Vernier control OK.
Verify repair, go to
NO
Step 12 of this Fault.
POSSIBLE PROBLEMS
Wires 240 and/or 241 shorted.
Wire 150 faulty.
Wire 240 faulty.
YES
2-186
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