TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
8.
OIL TEMPERATURE LIGHT DOES NOT OPERATE PROPERLY (MODEL A ONLY)
(continued).
7.
TEST OPTIONS
KNOWN INFO
Continuity Test.
Oil temperature light
Is there continuity
never comes on.
measured in the oil
REASON FOR QUESTION
Oil temperature bulb OK.
temperature switch
Oil temperature sensor
wire harness?
Power is transferred from
OK.
the main frame junction
Circuit board OK.
box to the oil temperature
Linking harness OK.
switch via this wire
Main junction box
harness.
harness OK.
POSSIBLE PROBLEMS
Oil temperature sensor
harness faulty.
Replace oil temperature
switch harness (para 4-
NO
Fault not corrected.
YES
Notify supervisor.
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