TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 2. Electrical Troubleshooting Procedures (Non-Error Code) - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
14. Roof Windshield Wiper Motor Not Working. 1. Check circuit breaker F15 for a. Reset circuit
breaker
as
trip.
required.
b. If breaker does not reset, use
the wiring diagram to check
circuit for short to ground (WP
shorted or grounded harnesses
(WP 0113 00).
c. Replace damaged or faulty
circuit breaker (WP 0074 00).
2. Inspect wiper arm for binding a. Correct binding wiper arm
or damage.
(WP 0158 00).
b. Replace damage wiper arm
(WP 0158 00).
3. Check voltage (24V) at X8 pin a. If no voltage (24V) is found at
7, 8, and 9 with the ignition on
X8 pin 9, check circuit breaker
while operating the roof wiper
F15 and continuity of wire
control switch. There should
A89 (WP 0048 00-38).
be voltage (24V) at pin 8 and
9, and intermittent voltage at
pin 7.
b. If no voltage (24V) is found at
X8 pin 7 or 8 while operating
the roof wiper control switch,
check roof wiper switch for
damage and continuity and
check continuity of wires 87,
88, and 89 (WP 0048 00-38).
c. Replace damaged or faulty
roof wiper switch (WP 0073
00).
d. Repair or replace damaged
wires or connectors (WP 0113
00).
0007 00-43
