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
19. Check rear wiper motor park circuit.
1. If battery voltage is present, go to Test
22. Wipers/Washers Do Not
(a) Disconnect wiring harness from
20.
Operate or Do Not Operate
rear wiper motor (WP 0120 00).
2. If battery voltage is not present, there
Correctly - Continued.
(b) Turn battery disconnect switch
is an open circuit between wiper motor
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) Turn rear wiper switch to OFF
WP 0175 00).
position (TM 5-3805-290-10).
(d) Measure voltage at rear wiper
motor between wiring harness pin
6, circuit 118 (GY), and ground.
20. Check rear wiper motor park circuit for 1. If continuity is present, replace rear
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) Battery disconnect switch remains 2. If continuity is not present, there is an
in ON position (TM 5-3805-290-
open circuit between wiper motor and
10).
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 wiper
motor between wiring harness pin
3, circuit 503 (BR) and rear wiper
switch wiring harness pin 6, circuit
503 (BR).
21. Check power to rear wiper switch.
1. If battery voltage is present, go to Test
(a) Disconnect wiring harness from
22.
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
1, circuit 118 (GY), and ground.
22. Check rear wiper motor ground circuit. 1. If continuity is present, replace rear
(a) Disconnect wiring harness from
wiper switch (WP 0049 00). If problem
rear wiper motor (WP 0120 00).
still exists, replace rear wiper motor
(b) Battery disconnect switch remains
(WP 0120 00).
in ON position (TM 5-3805-290- 2. If continuity is not present, there is an
10).
open wiper motor ground circuit.
(c) Turn engine start switch to OFF
Replace wiring harness in question
position (TM 5-3805-290-10).
(WP 0169 00 thru WP 0175 00).
(d) Check continuity at rear wiper
motor between wiring harness pin
2, circuit 200 (BK), and ground.
0008 00-61
