Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Deceleration 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

Deceleration 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)

CAUTION / NOTICE / HINT

NOTICE:

After replacing or reinstalling the yaw rate and acceleration sensor (airbag sensor assembly), perform system variant learning and acceleration sensor zero point calibration.

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PROCEDURE

1.

REPLACE AIRBAG SENSOR ASSEMBLY

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

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NEXT

END

    IG1 Voltage Supply too High (C1417)

    Malfunction in Deceleration Sensor (C1420)

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