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 946 (POWER LIFTGATE SYSTEM)PINCH SENSORDIAGNOSIS AND TESTING - PINCH SENSOR
2004 Toyota Matrix XR, FWD, Standard
Diagnosis And Testing - Pinch Sensor
2004 Toyota Matrix XR, FWD, StandardSECTION Diagnosis And Testing - Pinch Sensor
WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
To verify power liftgate system and pinch sensor operation.
- Cycle the power liftgate through two complete open and close cycles, during each of the final close cycles, with the liftgate in mid-travel , depress each of the pinch sensors to verify the power liftgate control module detects an obstruction and returns to the open position. If OK, pinch sensors and module are OK at this time. If NOT OK, go to Step 2
- Remove the liftgate trim panel to access the inoperable pinch sensor's electrical connector. Using an ohmmeter, check for continuity on the two wires leading from the pinch sensor. While depressing the pinch sensor, continuity should be 300 ohms max. While NOT depressing the pinch sensor, continuity should be 10,000 ohms min. If OK, pinch sensor is OK at this time. If NOT OK, replace the pinch sensor.
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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.