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 - 4. Remove the cover to gain a. If no voltage (24V) is found at
Continued.
access to the roof windshield
SX6 pin 2 or 3, check
wiper motor at front of cab
continuity of wires A89A,
(WP 0158 00 00). Inspect
A93, A246, 246, A88, 249,
wiper motor for damage and
A87, and 244 (WP 0048 00-
wiring connections. Unplug
38).
wiper motor and check voltage b. Check ground connection at
(24V) at XS6 pin 2 and 3 with
wiper motor. Check continuity
the ignition on while operating
of wire 241A and ground
the roof wiper control switch.
connection at 37-2 (WP 0048
00-38).
c. Repair or replace damaged
wires or connectors (WP 0113
00).
d. Replace damaged or faulty rear
wiper motor (WP 0158 00).
15. Windshield Washer Not Working.
1. Check washer reservoir for a. Fill washer reservoir with
damage and washer solvent
proper washer solvent (TM
level.
10-3930-675-10).
b. Replace damaged washer
reservoir (WP 0159 00).
2. Inspect washer pump, tubing, a. Replace damaged tubing or
fittings,
connectors,
and
fittings (WP 0159 00).
wiring for damage.
b. Replace damaged washer
pump (WP 0159 00).
c. Repair or replace damaged
harnesses or connectors (WP
0113 00).
3. Check circuit breaker F9 for Reset circuit breaker as required.
trip.
4. Check voltage (24V) at X20 a. If no voltage (24V) is found at
pin 1 and 3 with the ignition on
X20 pin 1, check circuit
and the washer switch
breaker F9 and check
depressed.
continuity of wire A201 (WP
0048 00-38).
b. If no voltage (24V) is found at
X20 pin 3, check continuity of
wires 201 and 203 (WP 0048
00-40).
0007 00-44
