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 > Continuously Variable Transaxle System: Fail-safe Chart
FAIL-SAFE CHART
Description
This function minimizes the loss of the Continuously Variable Transaxle (CVT)
system functions when a malfunction occurs in a sensor or solenoid valve.
Fail-safe
(a) Fail-safe control list:
Malfunctioning Part
Function
Transmi ...
Toyota CH-R Service Manual > Power Mirror Control System: Customize Parameters
CUSTOMIZE PARAMETERS
CUSTOMIZE POWER MIRROR CONTROL SYSTEM
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Record the current settings before customizing.
(a) Cust ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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