TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 2. Electrical System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
13. Check power to front washer motor.
1. If battery voltage is present, replace
22. Wipers/Washers Do Not
(a) Wiring harness remains
washer pump (WP 0118 00).
Operate or Do Not Operate
disconnected from front washer
2. If battery voltage is not present, go to
Correctly - Continued.
motor.
Test 14.
(b) Turn battery disconnect switch
and engine start switch to ON
position (TM 5-3805-290-10).
(c) Measure voltage at front washer
motor between wiring harness pin
1, circuit 506 (PU), and ground.
14. Check front washer motor power
1. If continuity is present, replace front
circuit for continuity.
wiper switch (WP 0049 00). If problem
(a) Disconnect wiring harness from
still exists, replace front wiper motor
front wiper switch (WP 0049 00).
(WP 0119 00).
(b) Wiring harness remains
2. If continuity is not present, there is an
disconnected from front washer
open circuit between wiper motor and
motor.
wiper switch. Replace wiring harness
(c) Turn engine start switch to OFF
in question (WP 0169 00 thru WP 0175
position (TM 5-3805-290-10).
00).
(d) Check continuity at front washer
motor between wiring harness pin
1, circuit 506 (PU) and front wiper
switch wiring harness pin 7, circuit
506 (PU).
15. Check rear wiper motor high circuit.
1. If battery voltage is present, replace
(a) Disconnect wiring harness from
rear wiper motor (WP 0120 00).
rear wiper motor (WP 0120 00).
2. If battery voltage is not present, go to
(b) Turn battery disconnect switch
Test 16.
and engine start switch to ON
position (TM 5-3805-290-10).
(c) Turn rear wiper switch to HIGH
SPEED position (TM 5-3805-290-
10).
(d) Measure voltage at rear wiper
motor between wiring harness pin
5, circuit 505 (OR), and ground.
0008 00-59
