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.
Rear Wiper Switch Test
With wiper switch in specified position, ensure continuity exists between specified terminals. See REAR WIPER SWITCH CONTINUITY TEST table. See Figure. Replace complete wiper switch if continuity is not as specified. See FRONT WIPER SWITCH under REMOVAL & INSTALLATION.
| Switch Position | (1) Terminals | Continuity | |||
|---|---|---|---|---|---|
| Celica | |||||
| OFF | None | No | |||
| INT | 2 & 13 | Yes | |||
| ON | 2 & 10 | Yes | |||
| Washer | 2 & 12 | Yes | |||
| Land Cruiser, Lexus LX470, Sienna & 4Runner | |||||
| Washer 1 | 2 & 12 | Yes | |||
| OFF | None | No | |||
| INT | 2 & 13 | Yes | |||
| ON | 2 & 10 | Yes | |||
| Washer 2 | 2, 10 & 12 | Yes | |||
| RAV4 | |||||
| Washer 1 | 2 & 16 | Yes | |||
| OFF | None | No | |||
| INT | 10 & 16 | Yes | |||
| ON | 1 & 16 | Yes | |||
| Washer 2 | 1, 2 & 16 | Yes | |||
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NO RELATED
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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.