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.
Data List/Active Test
- READ DATA LIST
HINT:
Using the hand-held tester's DATA LIST allows switch, sensor, actuator and other item value to be read without removing any parts. Reading the DATA LIST early in troubleshooting is one way to save time.
- Connect the hand-held tester to the DLC3.
- Turn the ignition switch ON.
- Read the DATA LIST.
Multiplex network door ECU front LH (Driver door ECU): (Switch condition)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Multiplex network door ECU front LH (Driver door ECU): (Glass position)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Multiplex network door ECU front RH (Passenger door ECU): (Switch condition)
Fig 3: Data List Table - Multiplex Network Door ECU Front RH (Passenger Door ECU): (Switch Condition)Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Multiplex network door ECU front RH (Passenger door ECU): (Glass position)
- PERFORM ACTIVE TEST CAUTION: This test causes vehicle parts to move. Please watch your hands.
HINT:
Performing the hand-held tester's ACTIVE TEST allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the ACTIVE TEST early in troubleshooting is one way to save time. The DATA LIST can be displayed during the ACTIVE TEST.
- Connect the hand-held tester to the DLC3.
- Turn the ignition switch ON.
- Performing the ACTIVE TEST by following the directions on the tester screen.
Multiplex network door ECU front LH (Driver door ECU):
ACTIVE TEST - MULTIPLEX NETWORK DOOR ECU FRONT LH (DRIVER DOOR ECU)Item Tester Detail Diagnostic Note P/W UP/DOWN Power Window UP/DOWN - Multiplex network door ECU front RH (Passenger door ECU):
ACTIVE TEST - MULTIPLEX NETWORK DOOR ECU FRONT RH (PASSENGER DOOR ECU)Item Tester Detail Diagnostic Note PW UP/DOWN Power Window UP/DOWN -
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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.
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