Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Problem Symptoms Table

Toyota Corolla Cross (2022-2026) Service Manual / Vehicle Interior / Seat / Rear Seat Reminder System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

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.

Rear Seat Reminder System

Symptom

Suspected Area

Link

Rear seat reminder function does not operate

CAN communication system (for HEV Model)

CAN communication system (for Gasoline Model)

IG signal circuit

Rear door courtesy switch circuit

Main body ECU (Multiplex network body ECU)

Power distribution box assembly

Hybrid vehicle control ECU*1

ECM*2

Combination meter assembly

  • *1: for HEV Model
  • *2: for Gasoline Model

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