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).
...
Open in Stop Light Switch Circuit (C1425)
DESCRIPTION
The skid control ECU (brake actuator assembly) receives stop light switch signals
and uses them to determine whether or not the brakes are applied.
The skid control ECU (brake actuator ...
Other materials:
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
When there is a short to GND in the power supply for the transponder key amplifier
of the engine switch, the certification ECU (smart key ECU assembly) stores this
DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...
Toyota CH-R Service Manual > Lin Communication System: Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals may ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual
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