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Page Title:
FAULT CODE 020 OR 021: GLOW PIN OPEN CIRCUIT OR GLOW PIN SHORT CIRCUIT. (Cont) |
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 TM 9-2320-364-34-1
4. FAULT CODE 020 OR 021: GLOW PIN OPEN CIRCUIT OR GLOW PIN SHORT
CIRCUIT (CONT).
4.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Arctic heater glow pin harness
Continuity test.
on Page 2-766.31
white wire not open.
STE/ICE-R #91.
Arctic heater glow pin harness
brown wire not open.
REASON FOR QUESTION
Arctic heater glow pin harness
If continuity is measured, arctic
wires not shorted.
heater control unit may be faulty.
Is continuity measured
If not, arctic heater glow pin is
POSSIBLE PROBLEMS
across glow pin?
faulty.
Arctic heater glow pin faulty.
Arctic heater control unit faulty.
Replace arctic heat-
er glow pin (Para
18-2.2). Verify re-
NO
pair, go to Step 5 of
this Fault.
YES
Replace arctic heat-
er control unit (Para
18-2.2). Verify re-
pair, go to Step 5 of
this Fault.
2-306
-79
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