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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).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CHECK ENGINE light (CEL)
Voltage Test.
on Page 2-385
comes ON and stays ON.
STE/ICE-R #89.
ECM supply voltage OK.
REASON FOR QUESTION
POSSIBLE PROBLEMS
Are between 4.7 and 5.2 vdc
Voltage may not be in
measured between wires 952
4.7 to 5.2 vdc not present on
acceptable range. Acceptable
and 916 at TPS connector,
wire 916 at TPS connector,
range is 4.7 to 5.2 vdc.
terminals A and C?
terminal C.
Wire 916 and/or 952 open.
Wire 916 shorted to 952 and/or
chassis ground.
Vernier control connector MC38
damaged.
Less than 4.7 vdc, go
TPS faulty.
to Step 3 of this Fault.
NO
TPS harness connector faulty.
More than 5.2 volts,
DDEC ECM faulty.
go to Step 10 of this
Wire 240 and/or 241 shorted to
Fault.
wire 439 and /or chassis
ground.
Wire 952 at vernier control
connector MC38 faulty.
YES
Between 4.7 and 5.2
vdc, go to Step 7 of
this Fault.
2-384
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