TM 5-2420-230-24-1
Table 3-6. Unit Troubleshooting Table. -- Continued
Malfunction
Test or Inspection
Corrective Action
WINDSHIELD WASHERS DO NOT WORK. -- CONTINUED
Step 4.
Check for 24 Vdc on wire 186 at windshield washer pump (6) when rear wiper/washer switch (7) is
pressed (refer to FO-3).
If 24 Vdc is present on wire 186, replace windshield washer pump (6) (Para 12-31).
If 24 Vdc is not present, check wire 186 for continuity, replace wire as necessary (Para 12-27).
Step 5.
Check for 24 Vdc on wire 190 at rear wiper/washer switch (7) (refer to FO-3).
If 24 Vdc is present on wire 190, replace rear wiper/washer switch (7) (Para 12-30).
If 24 Vdc is not present, check wire 190 for continuity, replace wire as necessary (Para 12-27).
Change 1
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