TM 5-2420-231-23-1
0050
Table 1. Rear Window Washer Does Not Operate - Continued.
050
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Rear Window Washer Does
Test Step 8. Test Rear Window
Not Operate - Continued
Washer Switch.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Remove rear window washer
switch (WP 0007, Figure 140) from
bezel (WP 0172).
3. Using a digital multimeter, test for
Continuity - Replace rear window
continuity between rear window
washer switch (WP 0176).
washer switch (WP 0007, Figure
Connect all wiring harness connectors.
140) terminals 2 and 3. There
Proceed to Test Step 11.
should be no continuity.
No Continuity - Proceed to step 4.
4. Push and hold rear window
washer switch in the on position
(TM 5-2420-231-10).
5. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between rear win-
Release rear window washer switch
dow washer switch (WP 0007,
(TM 5-2420-231-10).
Figure 134) terminals 2 and 3.
Proceed to Test Step 9.
Resistance should be 5.0 ohms or
Resistance Greater Than 5.0 Ohms -
less.
Replace rear window washer switch
(WP 0172).
Connect all wiring harness connectors.
Proceed to Test Step 11.
Test Step 9. Test Rear Window
Washer Pump Control Circuit for an
Open.
1. Remove front instrument panel
right-side cover (WP 0176).
2. Disconnect chassis options wiring
harness connector (WP 0007, Fig-
ure 42) from side options wiring
harness connector (WP 0007, Fig-
ure 43).
3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between side
Proceed to step 4.
options wiring harness connector
Resistance Greater Than 5.0 Ohms -
(WP 0007, Figure 139) terminal 3
Replace side options wiring harness
and side options wiring harness
(WP 0255).
connector (WP 0007, Figure 43)
Connect all wiring harness connectors.
terminal D. Resistance should be
Install bezel on rear instrument panel
5.0 ohms or less.
right-side cover (WP 0176).
Proceed to Test Step 11.
4. Install a jumper wire between
chassis options wiring harness
connector (WP 0007, Figure 142)
terminal 65 and machine ground.
0050-11
