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.
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