0009
TM 1-1740-221-13&P&P
ENGINE ELECTRICAL TROUBLESHOOTING - (CONTINUED)
CONDITION/INDICATION
Is wiring faulty?
DECISION
YES Proceed to Step 5.
NO No further action required.
MALFUNCTION - BRANCH 5.
MALFUNCTION - Circuit wiring is faulty.
ACTION
5. Repair faulty circuit wiring (FO-1).
END OF TEST
TROUBLESHOOTING PROCEDURE
ENGINE OVER-TEMP LIGHT ILLUMINATES, ENGINE TEMPERATURE NORMAL
BRANCH 1.
1.
Ohms check engine coolant temperature switch (WP 0060).
CONDITION/INDICATION
Did engine coolant temperature switch pass test?
DECISION
YES Proceed to Step 2.
NO Replace or repair engine coolant temperature switch (WP 0060).
BRANCH 2.
2.
Inspect circuit wiring (FO-1).
CONDITION/INDICATION
Is wiring faulty?
DECISION
YES Proceed to Step 3.
NO No further action required.
MALFUNCTION - BRANCH 3.
MALFUNCTION - Circuit wiring is faulty.
ACTION
3. Repair faulty circuit wiring (FO-1).
00096