Toyota CH-R Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration.*1

    Click here

    • *1: w/ Smart Key System

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)

-

Power window regulator motor assembly (for rear LH door)

-

Power window regulator motor assembly (for rear RH 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

-

Rear power window LH does not operate with rear power window switch LH

LIN communication system

Power window regulator motor assembly (for rear LH door)

-

Rear power window regulator switch assembly (for LH door)

-

Main body ECU (Multiplex network body ECU)

-

Wire harness or connector

-

Rear power window RH does not operate with rear power window switch RH

LIN communication system

Power window regulator motor assembly (for rear RH door)

-

Rear power window regulator switch assembly (for RH door)

-

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

-

Rear power window LH auto up / down function does not operate with rear power window switch LH

Power window regulator motor assembly (for rear LH door)

Rear power window regulator switch assembly (for LH door)

-

Power window position initialization

-

Wire harness or connector

-

Rear power window RH auto up / down function does not operate with rear power window switch RH

Power window regulator motor assembly (for rear RH door)

Rear power window regulator switch assembly (for RH door)

-

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)

-

Power window regulator motor assembly (for rear LH door)

-

Power window regulator motor assembly (for rear RH 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)

-

Power window regulator motor assembly (for rear LH door)

-

Power window regulator motor assembly (for rear RH 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)

-

Power window regulator motor assembly (for rear LH door)

-

Power window regulator motor assembly (for rear RH 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 window regulator motor assembly (for rear LH door)

-

Power window regulator motor assembly (for rear RH door)

-

Power windows do not operate using all window switch

Main body ECU (Multiplex network body ECU)

When returning to the vehicle, although window up operation was not performed, window were in a closed state.

Proceed to "Improper Operation"

When returning to the vehicle, although window down operation was not performed, window were in an opened state.

Proceed to "Improper Operation"

    Initialization
    INITIALIZATION INITIALIZE POWER WINDOW CONTROL SYSTEM (ALL DOORS) NOTICE: When a door window regulator sub-assembly, power window regulator motor assembly, door glass or door glass run ...

    Terminals Of Ecu
    TERMINALS OF ECU CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (a) Disconnect the J6 multiplex network master switch assembly connector. (b) Measure the voltage and resistance according to the v ...

    Other materials:

    Toyota CH-R Service Manual > Rear Console Box: Removal
    REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH (a) Disengage the claws and guides to remove the front door scuff plate LH as shown in the illustration. Place Hands Here Remove in this Direction 2. REMOVE COWL SIDE TRIM BOARD LH ...

    Toyota CH-R Service Manual > Rear Door Outside Moulding: Disassembly
    DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE REAR DOOR UPPER OUTSIDE MOULDING PAD (a) Remove the rear door upper outside moulding pad. ...

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