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
23. Check power to rear washer portion of 1. If battery voltage is present, connect
22. Wipers/Washers Do Not
switch.
wiring harness from rear wiper switch
Operate or Do Not Operate
(a) Disconnect wiring harness from
and go to Test 24.
Correctly - Continued.
rear wiper switch (WP 0049 00). 2. If battery voltage is not present, there
(b) Turn battery disconnect switch
is an open circuit between wiper fuse
and engine start switch to ON
and wiper switch. Replace wiring
position (TM 5-3805-290-10).
harness in question (WP 0169 00 thru
(c) Measure voltage at rear wiper
WP 0175 00).
switch between wiring harness pin
2, circuit 118 (GY), and ground.
24. Check rear washer motor ground
1. If continuity is present, go to Test 25.
circuit.
2. If continuity is not present, there is an
(a) Disconnect wiring harness from
open wiper motor ground circuit.
rear washer motor (WP 0120 00).
Replace wiring harness in question
(b) Battery disconnect switch remains
(WP 0169 00 thru WP 0175 00).
in ON position (TM 5-3805-290-
10).
(c) Turn engine start switch to OFF
position (TM 5-3805-290-10).
(d) Check continuity at rear washer
motor between wiring harness pin
2, circuit 200 (BK), and ground.
25. Check power to rear washer motor.
1. If battery voltage is present, replace
(a) Wiring harness remains
washer pump (WP 0118 00).
disconnected from rear washer
2. If battery voltage is not present, go to
motor.
Test 26.
(b) Turn battery disconnect switch
and engine start switch to ON
position (TM 5-3805-290-10).
(c) Measure voltage at rear washer
motor between wiring harness pin
1, circuit 507 (WH), and ground.
26. Check rear washer motor power circuit 1. If continuity is present, replace rear
for continuity.
wiper switch (WP 0049 00). If problem
(a) Disconnect wiring harness from
still exists, replace rear wiper motor
rear wiper switch (WP 0049 00).
(WP 0120 00).
(b) Wiring harness remains
2. If continuity is not present, there is an
disconnected from rear 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 rear washer
motor between wiring harness pin
1, circuit 507 (WH) and rear wiper
switch wiring harness pin 7, circuit
507 (PU).
0008 00-62
