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Page Title:
CHECK GAGES LIGHT (CGL) ALWAYS OFF. |
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 TM 9-2320-364-20-1
2-13. DDEC II TROUBLESHOOTING (CONT).
E4 CHECK GAGES LIGHT (CGL) ALWAYS OFF.
INITIAL SETUP
References
Tools and Special Tools
TM 9-2320-364-10
Tool Kit, General Mechanic's: Automotive
TM 9-4910-571-12&P
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Equipment Condition
DDEC Repair Kit (Item 15, Appendix G)
Engine OFF, (TM 9-2320-364-10)
Multimeter (Item 44, Appendix G)
Parking brake applied, (TM 9-2320-364-10)
Reader, Diagnostic (Item 53, Appendix G)
Wheels chocked, (TM 9-2320-364-10)
Remover, Connector (Item 55, Appendix G)
Top engine access cover opened,
Jumperwire
(TM 9-2320-364-10)
START
1.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Visual inspection.
Nothing.
on Page 2-503
Is CGL
REASON FOR QUESTION
POSSIBLE PROBLEMS
OFF with
jumperwire installed between
Isolate Fault.
CGL indicator lamp faulty.
wire 509 at vehicle harness
Open in CGL driver line.
connector MC18 terminals B2
Short/Open in battery positive
and a known good ground?
lines.
Short in ignition line.
Open in ignition line.
Open in ground line.
Damaged DDEC ECM terminals
or connectors.
Go to Step 4 of this
NO
Fault.
YES
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