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.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1420 |
Acceleration Sensor Malfunction |
The difference between the acceleration sensor value and the control value estimated inside the skid control ECU (brake actuator assembly) is abnormal. |
|
PROCEDURE
|
1. |
CHECK AIRBAG SENSOR ASSEMBLY INSTALLATION |
(a) Check that the yaw rate and acceleration sensor (airbag sensor assembly) has been installed properly.
Click here
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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.
Click here
| OK | .gif) |
REPLACE AIRBAG SENSOR ASSEMBLY
|
| NG | |
INSTALL AIRBAG SENSOR ASSEMBLY CORRECTLY
|
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).
...
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DESCRIPTION
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Toyota C-HR (AX20) 2023-2025 Owner's Manual
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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