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Page Title:
CODES 61-68 INJECTOR RESPONSE TIME TOO LONG (CONT). |
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 TM 9-2320-364-20-1
A4 CODES 61-68 INJECTOR RESPONSE TIME TOO LONG (CONT).
7.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Resistance test.
CHECK ENGINE light (CEL)
on Page 2-363
STE/ICE-R #92.
comes ON and stays ON.
Are there
Injector response times OK.
more than
Only 1 code displayed on DDR.
REASON FOR QUESTION
or equal to 10,000 ohms or an
No open in wires 619
open circuit measured
and 620.
Resistance less than 10,000
between injector drive wire
No short in wires 619
ohms between injector drive
and a known good ground?
and 620.
wire and ground indicates
injector drive wire is shorted to
POSSIBLE PROBLEMS
ground. Resistance less than
10,000 ohms from injector to
Short in wires 611 through 618.
ground indicates short to faulty
Faulty injectors.
Repair drive wire
injector.
Damaged terminals.
and/or ground (see
DDEC ECM faulty.
schematic Fig 2-4)
Tripped DDEC circuit breakers.
NO
or notify DS
Short in bank A or bank B
Maintenance.
wires 240 and/or 241.
Verify repair, go to
Open in bank A or bank B
Step 16 of this Fault.
wires 240 and/or 241.
Open in ground line wire 150.
Open in injector return lines
YES
wires 619 and/or 620.
2-362
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