Toyota Yaris: Power Window Control System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Vehicle Exterior / Window / Glass / Power Window Control System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Power Window Control System

Symptom

Suspected Area

Link

Remote up / down function does not operate

LIN communication system

Multiplex network master switch assembly

Power window regulator motor assembly (for front passenger door)

Driver side power window does not operate with power window master switch

LIN communication system

Power window regulator motor assembly (for driver door)

Multiplex network master switch assembly

Main body ECU (multiplex network body ECU)

Wire harness or connector

Front passenger side power window does not operate with front passenger side power window switch

LIN communication system

Power window regulator motor assembly (for front passenger door)

Power window regulator switch assembly

Main body ECU (multiplex network body ECU)

Wire harness or connector

Driver side power window auto up / down function does not operate with power window master switch

LIN communication system

Power window regulator motor assembly (for driver door)

Multiplex network master switch assembly

Power window position initialization

Wire harness or connector

Front passenger side power window auto up / down function does not operate with front passenger side power window switch

Power window regulator motor assembly (for front passenger door)

Power window regulator switch assembly

Power window position initialization

Wire harness or connector

All power windows do not operate with driver side door key cylinder or wireless transmitter

LIN communication system

Wireless door lock control system

Power door lock control system

Main body ECU (multiplex network body ECU)

Key-off operation function operates even if operating conditions are not satisfied

LIN communication system

Lighting system

Power window regulator motor assembly (for driver door)

Power window regulator motor assembly (for front passenger door)

Main body ECU (multiplex network body ECU)

Auto up operation does not fully close power window (jam protection function is activated)

Power window position initialization (applicable location)

Improper installation (applicable location)

Power window regulator motor assembly (for driver door)

Power window regulator motor assembly (for front passenger door)

Auto down operation does not fully open power window (catch protection function is activated)

Power window position initialization (applicable location)

Improper installation (applicable location)

Power window regulator motor assembly (for driver door)

Power window regulator motor assembly (for front passenger door)

Jam protection function does not operate

Power window position initialization (applicable location)

Power window regulator motor assembly (for driver door)

Power window regulator motor assembly (for front passenger door)

Power windows do not operate using all window switch

Main body ECU (multiplex network body ECU)

    Utility

    UTILITY CLEAR WINDOW POSITION DATA NOTICE: If "Reset Memory" is performed, DTC B2313 will be output. (a) Select the "Reset Memory" to clear the window position data using the GTS...

    Terminals Of Ecu

    TERMINALS OF ECU CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (a) Disconnect the L13 multiplex network master switch assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below...

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