Toyota Corolla Cross: Problem Symptoms Table

Toyota Corolla Cross (2022-2025) 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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Cruise control

The vehicle can be driven at a set speed even if the accelerator pedal is not depressed. Use the cruise control only on highways and expressways. WARNING ■For safe use Driving safely is solely the responsibility of the driver. Therefore, do not overly rely on this system. The driver is solel

Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the GTS to read the Data List allows the values or states of swit

Toyota Corolla Cross: Problem Symptoms Table

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Seat Heater Switch

Seat Heater System

Parts Location

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Cruise control

Data List / Active Test