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 > Air Conditioning Pressure Sensor: Removal
REMOVAL
PROCEDURE
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (for HFC-134a(R134a))
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2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (for HFO-1234yf(R1234yf))
Click here
3. REMOVE AIR CONDITIONER PRESSURE SENSOR (for VALEO Made)
(a) Disconnect the connector.
...
Toyota CH-R Service Manual > Brake Master Cylinder: Installation
INSTALLATION
PROCEDURE
1. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY
NOTICE:
When installing a new brake master cylinder sub-assembly, remove the protectors
from the master cylinder piston and outlet ports.
(a) Install a new brake master cylinder O-ring to the brake master cylinder sub-assemb ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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