TM 5-3805-298-23-2
0139
Table 1. Rear Window Washer Does Not Operate - Continued.
0139
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Rear Window Washer Does
Test Step 6. Test for Voltage at Rear
Not Operate - Continued
Washer Pump Motor.
1. Connect HN-C18 (WP 0012,
Figure 193) to rear wiper switch
(WP 0012, Figure 194).
2. Disconnect connector LE-C4
(WP 0012, Figure 196) from rear
washer pump motor.
3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
4. Have an assistant push and hold in
rear wiper switch (TM 5-3805-298-
10).
5. Using digital multimeter
Voltage 18 to 26 V Replace rear
(WP 0174), test for voltage
washer pump (WP 0360).
between connector LE-C4
Proceed to Test Step 14.
(WP 0012, Figure 196) terminal 1
Voltage Less Than 18 V Proceed to
and terminal 2 (ground).
Test Step 7.
Test Step 7. Test for Open Wiring
Harness.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Disconnect connector C-C1
(WP 0012, Figure 65) from
connector HN-C1 (WP 0012,
Figure 66).
3. Install a jumper wire between
terminal 1 and terminal 2 of
connector LE-C4 (WP 0012,
Figure 196).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Replace main cab wiring harness
between connector C-C1
(WP 0293).
(WP 0012, Figure 65) terminal 18
Proceed to Test Step 14.
and terminal 12.
Resistance Greater Than 5.0 Ohms
Proceed to Test Step 8.
Test Step 8. Test for Open Front
Frame Wiring Harness.
1. Remove right lower cab access
panels (WP 0347).
2. Disconnect connector LE-C2
(WP 0012, Figure 152) from
connector C-C9 (WP 0012,
Figure 153).
0139-4