TM 1-1520-238-T-4
6–90
Change 5
6–29.
TEMP INT INDICATOR – LIGHTS (cont)
6–29
7. Check resistance between P124–11 and
P124–12.
Is resistance greater than 32k ohms?
YES
Repair shorted wire between:
P200–C and J124–9,
P200–A and J124–11,
P200–K and J124–13,
P200–E and J124–15.
Go to paragraph 6–12.
NO
Replace IGB thermistor probe
RT13 (TM 1-1520-238-23).
8. Remove IGB thermistor probe RT16
(TM 1-1520-238-23). Check resistance between
P200–K and P200–S.
Is resistance greater than 32k ohms?
YES
Go to step 10.
NO
Go to step 9.
9. Check resistance between P124–13 and
P124–14.
Is resistance greater than 32k ohms?
YES
Repair shorted wire between:
P200–C and J124–9,
P200–A and J124–11,
P200–K and J124–13,
P200–E and J124–15.
Go to paragraph 6–12.
NO
Replace IGB thermistor probe
RT16 (TM 1-1520-238-23).
10. Remove IGB thermistor probe RT15
(TM 1-1520-238-23). Check resistance between
P200–E and P200–S.
Is resistance greater than 32k ohms?
YES
Repair shorted wire between:
P200–C and J124–9,
P200–A and J124–11,
P200–K and J124–13,
P200–E and J124–15.
Go to paragraph 6–12.
NO
Replace IGB thermistor probe
RT15 (TM 1-1520-238-23).
END OF TASK
