Dtc C1436 Yaw Rate Sensor Malfunction

Brake. Land Cruiser. Urj200, 202 Grj200 Vdj200
Brake Control Dynamic Control Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC (CAN COMMUNICATION SYSTEM)

READ VALUE USING GTS (YAW RATE SENSOR)

CHECK AIRBAG SENSOR ASSEMBLY INSTALLATION

DTC C1436 Yaw Rate Sensor Malfunction


DESCRIPTION

Refer to DTC C1419 and C1435 (Click here).

DTC Code
DTC Detection Condition
Trouble Area
C1436
Either condition is met:
  1. With the vehicle stationary, the yaw rate and acceleration sensor output value is not 0°/s.
  2. An abnormal comparison value.
Yaw rate sensor (Airbag sensor assembly)

WIRING DIAGRAM

Refer to DTCs C1232, C1243 and C1245 (Click here).

INSPECTION PROCEDURE

NOTICE:
After replacing the yaw rate and acceleration sensor (airbag sensor assembly), perform calibration (Click here).
1.CHECK DTC (CAN COMMUNICATION SYSTEM)

  1. for LHD (with Central Gateway ECU):
    Check for DTCs (Click here).

  1. for LHD (without Central Gateway ECU):
    Check for DTCs (Click here).

  1. for RHD (with Central Gateway ECU):
    Check for DTCs (Click here).

  1. for RHD (without Central Gateway ECU):
    Check for DTCs (Click here).

    Result
    Result
    		Proceed to
    CAN DTC is not output
    		A
    CAN DTC is output (for LHD (with Central Gateway ECU))
    		B
    CAN DTC is output (for LHD (without Central Gateway ECU))
    		C
    CAN DTC is output (for RHD (with Central Gateway ECU))
    		D
    CAN DTC is output (for RHD (without Central Gateway ECU))
    		E



B
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

D
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

E
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)
A


2.READ VALUE USING GTS (YAW RATE SENSOR)

  1. Turn the ignition switch off.

  1. Connect the GTS to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the GTS on.

  1. Enter the following menus: Chassis / ABS/VSC/TRC / Data List.

    ABS/VSC/TRC
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Yaw Rate Sensor
    		Yaw rate sensor/ Min.: -128°/s, Max.: 127°/s
    		Vehicle stationary: 0°/s
    Right turn: -128 to 0°/s
    Left turn: 0 to 127°/s
    		-

  1. Check that the yaw rate and acceleration sensor (airbag sensor assembly) output value is displayed on the GTS.

    Result
    Result
    		Proceed to
    NG
    		Yaw rate and acceleration sensor (Airbag sensor assembly) output value is 0°/s when vehicle is stationary, but value fluctuates when turning
    		A
    Yaw rate and acceleration sensor (Airbag sensor assembly) output value is not 0°/s when vehicle is stationary
    		B
    OK
    		C



B
REPLACE AIRBAG SENSOR ASSEMBLY (Click here)

C
CHECK FOR INTERMITTENT PROBLEMS (Click here)
A


3.CHECK AIRBAG SENSOR ASSEMBLY INSTALLATION

  1. Turn the ignition switch off.

  1. Check that the yaw rate and acceleration sensor (airbag sensor assembly) is installed properly (Click here).

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


NG
INSTALL AIRBAG SENSOR ASSEMBLY CORRECTLY (Click here)
OK

REPLACE AIRBAG SENSOR ASSEMBLY (Click here)