Toyota CH-R Service Manual: 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 based on the yaw rate sensor, steering angle sensor and speed sensor signals.

PROCEDURE

(a) Check that the yaw rate and acceleration sensor (airbag sensor assembly) has been installed properly.

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OK:

The airbag sensor assembly is tightened to the specified torque.

The airbag sensor assembly is not be installed in a tilted position.

HINT:

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

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OK

REPLACE AIRBAG SENSOR ASSEMBLY

NG

INSTALL AIRBAG SENSOR ASSEMBLY CORRECTLY