Toyota CH-R Service Manual: Acceleration Sensor Internal Circuit (C1419,C1435)

Toyota CH-R Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Acceleration Sensor Internal Circuit (C1419,C1435)

DESCRIPTION

These DTCs are stored when the skid control ECU (brake actuator assembly) receives an internal malfunction signal from the yaw rate and acceleration sensor (airbag sensor assembly).

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1419	Acceleration Sensor Internal Circuit	With the +BS terminal voltage between 9.6 and 16.5 V, an acceleration sensor malfunction signal is received from the acceleration sensor.	Acceleration sensor (airbag sensor assembly)
C1435	Yaw Rate Sensor Internal Circuit	With the +BS terminal voltage between 9.6 and 16.5 V, a yaw rate sensor malfunction signal is received from the yaw rate sensor.	Yaw rate sensor (airbag sensor assembly)

PROCEDURE

1.	REPLACE AIRBAG SENSOR ASSEMBLY

(a) Replace the yaw rate and acceleration sensor (airbag sensor assembly).

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HINT:

If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

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END

High Power Supply Voltage Malfunction (C1417)

DESCRIPTION If a malfunction is detected in the power supply circuit, the skid control ECU (brake actuator assembly) stores this DTC and the fail-safe function prohibits ABS operation. This DTC ...

Acceleration Sensor Malfunction (C1420)

DESCRIPTION This DTC is stored when the skid control ECU (brake actuator assembly) detects an abnormality in the difference between the acceleration sensor value and the control value estimated b ...

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