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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).
13.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CHECK ENGINE light (CEL)
Voltage test.
on Page 2-371
comes ON and stays ON.
STE/ICE-R #89.
Injector response times OK.
Only 1 code displayed on DDR.
REASON FOR QUESTION
Are 10 to 14 vdc measured
No open in wires 619
between wires 240 and 241 at
and 620.
Open is suspect. If voltage at
DDEC ECM power harness
No short in wires 619
power harness connector is less
connector, terminals A,B, E
and 620.
than 10 vdc, open in bank A
No short in wires 611
and F and wires 150,
power lines wire 240 or bank B
through 618.
terminals C and D?
power lines wire 241 is
Injectors OK.
indicated.
Terminals at injector
harness OK.
Repair wires 240
DDEC ECM OK.
and/or 241 (see
DDEC circuit breakers not
schematic Fig 2-3) or
tripped.
NO
notify DS
No short in bank A or bank B
Maintenance.
wires 240 and 241.
Verify repair, go to
Step 16 of this Fault.
POSSIBLE PROBLEMS
Open in bank A or bank B
wires 240 and/or 241.
YES
Open in ground line wire 150.
Open in injector return lines
wires 619 and/or 620.
14.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CHECK ENGINE light (CEL)
Resistance test.
on Page 2-371
comes ON and stays ON.
STE/ICE-R #91.
Injector response times OK.
Only 1 code displayed on DDR.
REASON FOR QUESTION
Are 5 ohms or less measured
No open in wires 619
on wire 150 at power harness
and 620.
Resistance more than 5 ohms at
No short in wires 619
connector MC17, terminals C
power harness connector
and 620.
indicates open in ground line(s)
and D and a known good
No short in wires 611
wire 150.
ground?
through 618.
Injectors OK.
Terminals at injector
harness OK.
Repair wire 150 (see
DDEC ECM OK.
schematic Fig 2-3)
DDEC circuit breakers not
or notify DS
tripped.
NO
Maintenance.
No short in bank A or bank B
Verify repair, go to
wires 240 and 241.
Step 16 of this Fault.
No open in bank A or bank B
wires 240 and 241.
POSSIBLE PROBLEMS
YES
Open in ground line wire 150.
Open in injector return lines
wires 619 and/or 620.
Change 1
2-370
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