Dtc C1420 Acceleration Sensor Malfunction

Brake. Yaris. Ncp93, 131
Brake Control Dynamic Control Systems. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC (CAN COMMUNICATION SYSTEM)

CHECK YAW RATE AND DECELERATION SENSOR (YAW RATE SENSOR)

DTC C1420 Acceleration Sensor Malfunction


DESCRIPTION

Refer to DTCs C1419 and C1435 (YARIS_NCP93 RM0000035P403UX_01.html).

DTC Code
DTC Detection Condition
Trouble Area
C1420
After the difference between GL1 and GL2 becomes 0.6 G or more with the vehicle stationary, the difference remains 0.4 G or more for 60 seconds or more.
  1. Sensor installation
  2. Yaw rate and deceleration sensor (yaw rate sensor)

WIRING DIAGRAM

Refer to DTCs C1232, C1243 and C1245 (YARIS_NCP93 RM000001RFV0BZX_02.html).

INSPECTION PROCEDURE

NOTICE:
When replacing the brake actuator assembly, perform zero point calibration (YARIS_NCP93 RM000000XHR07EX.html).
1.CHECK DTC (CAN COMMUNICATION SYSTEM)

  1. Check if CAN communication system DTCs are output (YARIS_NCP93 RM000001RSW02PX.html).

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    DTC is output
    		B



B
CHECK CAN COMMUNICATION SYSTEM (YARIS_NCP93 RM000001RSO066X.html)
A


2.CHECK YAW RATE AND DECELERATION SENSOR (YAW RATE SENSOR)

  1. Check that the yaw rate and deceleration sensor (yaw rate sensor) is installed properly (YARIS_NCP93 RM000002RGP00FX.html).

    OK:
    The sensor is tightened to the specified torque.
    The sensor is not installed at an angle.


NG
INSTALL YAW RATE AND DECELERATION SENSOR (YAW RATE SENSOR) CORRECTLY (YARIS_NCP93 RM000002RGP00FX.html)
OK

REPLACE YAW RATE AND DECELERATION SENSOR (YAW RATE SENSOR) (YARIS_NCP93 RM000002RGR00FX.html)