Dtc C1442 Invalid Data Received From Acceleration Sensor

Brake. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Brake Control Dynamic Control Systems. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC

DTC C1442 Invalid Data Received from Acceleration Sensor

DTC C1443 Invalid Data Received from Yaw Rate Sensor


DESCRIPTION

The skid control ECU (brake actuator assembly) receives signals from the yaw rate sensor via the CAN communication system.
The yaw rate sensor assembly has a built-in acceleration sensor and detects the vehicle condition.

DTC Code
DTC Detection Condition
Trouble Area
C1442
With the IG1 terminal voltage between 9.5 and 17.4 V, an invalid data signal is transmitted continuously from the acceleration sensor for 10 seconds or more.
Acceleration sensor (Yaw rate sensor assembly)
C1443
With the IG1 terminal voltage between 9.5 and 17.4 V, an invalid data signal is transmitted continuously from the yaw rate sensor for 10 seconds or more.
Yaw rate sensor assembly

INSPECTION PROCEDURE

NOTICE:
After replacing the yaw rate sensor assembly, perform calibration (HILUX_TGN26 RM000000XHR073X.html).
1.CHECK DTC

  1. Clear the DTCs (HILUX_TGN26 RM000000XHV0CGX.html).

  1. Turn the ignition switch off.

  1. Start the engine and idle it for 60 seconds, and then stop the engine.

  1. Check if the same DTC is output (HILUX_TGN26 RM000000XHV0CGX.html).

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



B
USE SIMULATION METHOD TO CHECK (HILUX_TGN26 RM000004QR7008X.html)
A

REPLACE YAW RATE SENSOR ASSEMBLY (HILUX_TGN26 RM000000SS505KX.html)