Visual Inspection and Diagnostic Pre-checks
PINPOINT TEST H : THE WINDSHIELD WASHER IS INOPERATIVE
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
NOTICE: This Pinpoint Test uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.
H1 CHECK THE AMBIENT AIR TEMPERATURE
Check the ambient air temperature.
Is the ambient air temperature below freezing?
Yes | GO to H2 |
|---|---|
No | GO to H4 |
H2 CHECK THE WASHER SOLVENT
Check the washer solvent and make sure it is of the correct type to use for the temperature conditions present.
Is the correct type of washer solvent present?
Yes | GO to H3 |
|---|---|
No | ALLOW the vehicle to warm to room temperature. DRAIN and REFILL the windshield washer reservoir with the correct washer solvent type. INFORM the customer of the correct type of washer solvent to use for the temperature conditions present. |
H3 CHECK FOR WASHER SOLVENT TO THE WASHER JETS
Disconnect the washer hoses from the windshield washer jets and place them in a container to capture fluid. Ignition ON. Momentarily activate the windshield washer function.
Is washer fluid emitted at the washer hoses?
Yes | INSTALL a new washer jet in question. |
|---|---|
No | GO to H4 |
H4 CHECK FOR WASHER PUMP ACTIVATION
Ignition ON. While listening for washer pump activation near the right front of the vehicle, have an assistant activate the windshield washer function.
Does the washer pump activate?
Yes | GO to H5 |
|---|
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.