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 455 (WIRELESS DOOR LOCK CONTROL SYSTEM - DIAGNOSTICS)DTC 42 WIRELESS DOOR LOCK RECEIVER CIRCUIT MALFUNCTIONONLY WIRELESS CONTROL FUNCTION IS INOPERATIVEINSPECTION PROCEDURE
2004 Toyota Matrix XR, FWD, Standard
Inspection Procedure
2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure
WARNING: This page is about a different car, the 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Initial condition that the customizing function by TOYOTA hand-held tester is not chosen is shown.
- Vehicle's Initial Condition (Condition Of Wireless Control Possible)
- No key in the ignition Key cylinder.
- All doors closed (door open indicator off).
- All doors locked.
NOTE:
The switch described in this text is a LOCK/UNLOCK switch for transmitting, and it is built in the door control transmitter.
- Check Transmitter Battery Simply
- Check that the LED of the transmitter lights up 3 times when the switch has been pressed 3 times.NOTE: If the LED does not light up when the switch has been pressed 3 times or more, it may be caused by the battery dead. Replace the battery with a new or normal one, and then check doors will be locked or unlocked by the standard operation.
- Check that the LED of the transmitter lights up 3 times when the switch has been pressed 3 times.
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.