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Page Title:
CODE 35 OIL PRESSURE SENSOR (OPS) SIGNAL VOLTAGE HIGH (CONT). |
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 TM 9-2320-364-20-1
A4 CODE 35 OIL PRESSURE SENSOR (OPS) SIGNAL VOLTAGE HIGH (CONT).
4.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CHECK ENGINE light (CEL)
Visual inspection.
on Page 2-291
comes ON and stays ON.
Wires 530 and 452 are not
REASON FOR QUESTION
open.
Are OPS terminals and
Damage to connectors can
POSSIBLE PROBLEMS
connectors free from
affect signal to OPS.
damage?
OPS connector faulty.
OPS faulty.
Wires 416, 530, 439, 241 and/or
240 shorted.
DDEC ECM faulty.
Repair OPS
connectors
NO
(Para 7-101).
Verify repair, go to
Step 8 of this Fault.
YES
Replace OPS
(Para 7-67).
Verify repair, go to
Step 8 of this Fault.
5.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CHECK ENGINE light (CEL)
Resistance test.
on Page 2-291
comes ON and stays ON.
STE/ICE-R #92.
Are there
Wires 530 and 452 are not
open.
more than
REASON FOR QUESTION
OPS connector OK.
10,000 ohms measured
OPS OK.
Resistance less than or equal to
between wires 416 and 530
10,000 ohms at engine harness
on engine harness connector,
POSSIBLE PROBLEMS
connector indicates signal line
terminals W1 and P2?
wire 530 is shorted to engine
Wires 416, 530, 439, 241 and/or
wire 416 (+5 volt line).
240 shorted.
DDEC ECM faulty.
Repair wire 530 or
416 (see schematic
Fig 2-2) or notify
NO
DS Maintenance.
Verify repair, go to
Step 8 of this Fault.
YES
2-290
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