Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Brake System Malfunction (C1A50)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / Cruise Control / Lane Departure Alert System (w/ Steering Control)(for Gasoline Model) / Brake System Malfunction (C1A50)

DESCRIPTION

The forward recognition camera receives electronically controlled brake system control signals from the skid control ECU (brake actuator assembly). If the forward recognition camera receives a malfunction signal from the electronically controlled brake system, DTC C1A50 is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1A50	Brake System Malfunction	2 seconds after the engine switch is turned on (IG), a signal from the skid control ECU (brake actuator assembly) indicating an electronically controlled brake system malfunction is detected by the forward recognition camera for 5 seconds or more.	Electronically controlled brake system

CAUTION / NOTICE / HINT

NOTICE:

The lane departure alert system (w/ steering control) uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

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PROCEDURE

1.	GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

HINT:

If DTC C1A50 is output by the lane departure alert system (w/ steering control), perform troubleshooting for the electronically controlled brake system.

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END

G Sensor (C1A48)

Power Steering Control System (C1A70)

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