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.
2004 Toyota PriusFACTORY OEM SERVICE PROCEDURE
Inspection Procedure
WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
In case of using the TOYOTA hand-held tester, start the inspection from step 1 and in case of not using the TOYOTA hand-held tester, start from step 2.
- Check The Back Door Power Window Limit Switch Using TOYOTA Hand-Held Tester.
PREPARATION: connect the TOYOTA hand-held tester to the DLC3.
CHECK: the back door power window limit switch using DATA LIST.
- OK: Proceed to next circuit inspection shown on problem symptoms table . SeePROBLEM SYMPTOMS TABLE .
- NG: Go to step 2.
- Check Window Limit Switch
.
- NG: Replace the back door power window regulator assembly.
- OK: Go to step 3.
- Check Wiring Harness And Connector Between Window Limit Switch And Back Door ECU.
- NG: Repair or replace wiring harness or connector.
- OK: Proceed to next circuit inspection shown on problem symptoms table . SeePROBLEM SYMPTOMS TABLE .
Factory Service Tools
Use the Manual With the Right Hardware
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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.