Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 156 (WIPER/WASHER SYSTEMS)COMPONENT TESTSWIPER SWITCH
2004 Toyota Matrix XR, FWD, Standard
Wiper Switch
2004 Toyota Matrix XR, FWD, StandardSECTION Wiper Switch
WARNING: This page is about a different car, the 2003 Lexus ES 300 and 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
- Check the continuity of each terminal of the wiper switch assembly connector. See INSPECTING FRONT WIPER/WASHER SWITCH CONTINUITY . See Figure.INSPECTING FRONT WIPER/WASHER SWITCH CONTINUITY
Switch Position Tester Connection Specified Condition Front Wiper Switch MIST 7 (+1) - 17 (+B) Continuity OFF 16 (+S) - 7 (+1) Continuity INT (1) 16 (+S) - 7 (+1) Continuity AUTO (2) 16 (+S) - 7 (+1), 4 (AUTO) - 14 (E) Continuity LO 7 (+1) - 17 (+B) Continuity HI 17 (+B) - 8 (+2) Continuity Front Washer Switch OFF ..... No Continuity ON 11 (WF) - 2 (EW) Continuity (1) Without AUTO wiper system. (2) With AUTO wiper system. - Check the intermittent operation as follows. Connect the voltmeter (+) terminal to terminal No. 7 (+1) of the connector, the voltmeter (-) terminal to terminal No. 2 (EW) of the connector. Connect the battery (+) to terminal No. 17 (+B) of the connector, the battery (-) to terminals No. 2 (EW) and 16 (+S) of the connector. Turn the wiper switch to INT. Connect the battery (+) to terminal No. 16 (+S) of the connector for 5 seconds. Connect the battery (-) to terminal No. 16 (+S) of the connector. Voltage should be as shown in illustration. See Fig 1.
- Check the front wiper operation as follows. Turn the wiper switch to OFF. Connect the battery (+) to terminal No. 17 (+B) of the connector, the battery (-) to terminal No. 16 (+S) and 2 (EW) to the connector. Connect the voltmeter (+) terminal to terminal No. 7 (+1) of the connector and the voltmeter (-) terminal to terminal No. 2 (EW) of the connector. Turn the washer switch to ON and OFF. Voltage should be as shown in illustration. See Fig 2.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.