Toyota Corolla Cross: Problem Symptoms Table

Toyota Corolla Cross (2022-2024) 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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Seat belts

Make sure that all occupants are wearing their seat belts before driving the vehicle. WARNING Observe the following precautions to reduce the risk of injury in the event of sudden braking, sudden swerving or an accident. Failure to do so may cause death or serious injury. ■Wearing a seat belt E

Passenger Seat Occupant Classification Sensor "A" Signal (some circuit quantity, reported via serial data) Invalid (B00C086)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode B00C086 Passenger Seat Occupant Classification Sensor "A" Signal (some circuit quantity, reported via serial data) Invalid Either of following conditi

Toyota Corolla Cross: Problem Symptoms Table

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Seat belts

Passenger Seat Occupant Classification Sensor "A" Signal (some circuit quantity, reported via serial data) Invalid (B00C086)