0009
TM 1-1740-221-13&P&P
ENGINE ELECTRICAL TROUBLESHOOTING - (CONTINUED)
ACTION
5. Repair faulty circuit wiring (FO-1).
END OF TEST
TROUBLESHOOTING PROCEDURE
ENGINE COOLANT TEMPERATURE 220 DEGREES, NO WARNING LIGHT
BRANCH 1.
1.
Ohms check coolant temperature dash panel light for continuity.
CONDITION/INDICATION
Panel light does not have continuity?
DECISION
YES Remove and replace engine coolant temperature switch (WP 0060) and proceed to Step 4.
NO Proceed to Step 2.
BRANCH 2.
2.
Check for defective indicator bulb (WP 0120).
CONDITION/INDICATION
Is indicator bulb defective?
DECISION
YES Replace indicator bulb (WP 0120).
NO Proceed to Step 3.
BRANCH 3.
3.
Check for defective indicator bulb holder (WP 0120).
CONDITION/INDICATION
Is indicator bulb holder defective?
DECISION
YES Replace indicator bulb holder (WP 0120).
NO No further action required.
BRANCH 4.
4.
Inspect circuit wiring (FO-1).
00095
