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Page Title:
VEHICLE HARNESS +5 VOLT SUPPLY (CONT). |
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 TM 9-2320-364-20-1
A5A VEHICLE HARNESS +5 VOLT SUPPLY (CONT).
3.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CHECK ENGINE light (CEL)
Resistance test.
on Page 2-387
Are there
comes ON and stays ON.
STE/ICE-R #91.
5 ohms or
ECM supply voltage OK.
4.7 to 5.2 vdc present on
less measured
REASON FOR QUESTION
wire 916 at TPS connector,
between wire 916 and 952 at
Reading greater than 5 ohms
terminal C.
vehicle harness connector
indicates +5 volt line wire 916 or
MC18, terminals A3 to C3 with
sensor return wire 952 is open.
POSSIBLE PROBLEMS
jumperwire installed at TPS,
terminals A and C?
Wire 916 and/or 952 open.
Wire 916 shorted to 952 and/or
chassis ground.
Repair wires 916
Vernier control connector MC38
and/or 952 (see
damaged.
schematic Fig 2-1) or
TPS harness connector faulty.
NO
notify DS
TPS faulty.
Maintenance.
DDEC ECM faulty.
Verify repair, go to
Wire 240 and/or 241 shorted to
Step 12 of this Fault.
wire 439 and /or chassis
ground.
Wire 952 at vernier control
YES
connector MC38 faulty.
2-386
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