TM 5-3805-298-23-2
0138
Table 1. Front Windshield Washer Does Not Operate.
0138
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Front Windshield Washer
Does Not Operate
Always inspect wiring harness connectors that are involved in the circuit.
Poor connections can often be the cause of a problem in an electrical
circuit. Verify that all connections in the circuit are clean and secure and
that all connections are in good condition. If a problem with the
connection is found, correct the problem and verify that this malfunction
or diagnostic code is active before performing this procedure.
Perform open or short-circuit test at each wiring harness connection to
identify the correct wiring harness to replace.
Tag all wiring harnesses to aid in installation.
Perform this test only if condition is active.
Test Step 1. Test Operation of Front
Windshield Washer.
1. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
2. Have an assistant operate the
front windshield washer by
pressing in front wiper switch
(TM 5-3805-298-10).
3. Listen for operation of front washer
Front Washer Pump Operates But
pump at washer bottle.
Does Not Pump Fluid Proceed to
Test Step 2.
Front Washer Pump Does Not
Operate Proceed to Test Step 3.
Test Step 2. Check for Restricted or
Damaged Front Washer Hose.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Remove left lower cab access
panels (WP 0347).
3. Inspect front washer hose for leaks
Front Washer Hose Is Not Restricted
or restrictions (WP 0361).
or Leaking Replace front washer
pump (WP 0360).
Proceed to Test Step 14.
Front Washer Hose Restricted
Remove restrictions from front washer
hose (WP 0361).
Proceed to Test Step 14.
Front Washer Hose Leaking
Replace front washer hose (WP 0361).
Proceed to Test Step 14.
