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.
(9) - Inspect PTC Operation (Driver's Door)
2004 Toyota Celica GT, StandardSECTION (9) - Inspect PTC Operation (Driver's Door)
WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the connector from the window motor.
- Connect the positive (+) lead from the ammeter to terminal 1 of the wire harness side connector and the negative (-) lead to negative terminal of the battery.
- Connect the positive (+) lead from the battery to terminal 2 of the wire harness side connector, and raise the window to the fully closed position.
- Continue to apply voltage, check that the current changes from approximately 14 A to less than 1 A within 4-90 seconds.
- Disconnect the leads from terminals.
- Approximately 90 seconds later, connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, check that the window begins to descend.
If operation is not as specified, replace the motor.
RENDER: 1.0x
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.