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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Right Front Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12BB12,...,C12C649)

DESCRIPTION The ABS solenoid relay and solenoid valves are built into the brake actuator assembly. The front solenoid valve RH controls the brake fluid pressure of the front wheel cylinder RH of the vehicle. When this DTC is stored, the fail-safe function operates and the ABS solenoid relay

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3. CONNECT GTS TO DLC3* HINT: If the display indicates a communication m

Toyota Corolla Cross: Problem Symptoms Table

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Seat Heater Switch

Seat Heater System

Parts Location

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Right Front Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12BB12,...,C12C649)

How To Proceed With Troubleshooting