TM 9-2320-365-20-1
2-412
YES
2.
YES
3.
Is continuity present
between connector PX7-17
and a known good ground?
If continuity is not
present, wire 3030 is
faulty.
Is continuity present
between relay K52
terminals 30 and 87A?
If continuity is not
present, relay K52 is
faulty.
NO
NO
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Continuity Test or
STE/ICE-R #91
CTIS operates normally.
Lighted indicator
display OK.
POSSIBLE PROBLEMS
Faulty dashboard cable
assembly.
Faulty relay K52.
Faulty CTIS ECU.
Faulty CTIS cable
assembly.
KNOWN INFO
TEST OPTIONS
Continuity Test or
STE/ICE-R #91
REASON FOR QUESTION
CTIS operates normally.
Lighted indicator
display OK.
POSSIBLE PROBLEMS
Faulty relay K52.
Faulty dashboard cable
assembly.
Faulty CTIS ECU.
Faulty CTIS cable
assembly.
Repair wire 3030 (para 2-40)
or replace WTEC II dashboard cable
assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
Replace relay K52
(para 7-9).
e25. CTIS OVERSPEED INDICATOR DOES NOT OPERATE (CONT)
