isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Assembly Diagnosis|Page 4943 > < Wiper Control Module|Diagrams
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Wiper Motor: Testing and Inspection
Assembly Diagnosis

TROUBLESHOOTING HINTS

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Make the following checks before beginning System Diagnosis.

Wiper/Washer System Electrical Schematic

1. Check wiper fuse. If open, check for short to ground through CKT 143 and replace fuse.
2. Check that all system connectors are mated firmly.
3. If washer does not operate, check that:

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Washer solvent container is filled.

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Hoses are correctly attached.

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Hoses are not cut, kinked, or pinched.

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Nozzles are not clogged.

Assembly Diagnosis|Page 4943 > < Wiper Control Module|Diagrams