TM 9-2320-365-20-1
2-1040
4.
NO
YES
5.
If 24 vdc is not present,
wire 1935 is faulty.
NO
YES
KNOWN INFO
Circuit breaker OK.
Fan solenoid OK.
Fan clutch OK.
POSSIBLE PROBLEMS
WARNING
Read WARNING
on following page.
TEST OPTIONS
Voltage Test or
STE/ICE-R #89
REASON FOR QUESTION
Circuit breaker OK.
Fan solenoid OK.
Fan clutch OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
Continuity Test or
STE/ICE-R #91
REASON FOR QUESTION
Is 24 vdc present at
terminal board TB1
terminal 37?
Faulty dashboard cable
assembly.
Faulty radiator fan off
switch.
Faulty radiator fan off
switch.
Faulty dashboard cable
assembly.
Repair wire 1935 (para 2-40)
or replace WTEC II dashboard cable
assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
Replace radiator fan
off switch (para 7-18).
If continuity is not present,
radiator fan off switch
is faulty.
Is continuity present
between radiator fan
off switch terminal
5 and terminal 1?
e92. ENGINE FAN DOES NOT TURN OFF USING RADIATOR FAN OFF SWITCH (CONT)