Toyota CH-R Service Manual: Yaw Rate Sensor Output Value (C1448)

Toyota CH-R Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Yaw Rate Sensor Output Value (C1448)

DESCRIPTION

The yaw rate and acceleration sensor is built into the airbag sensor assembly.

The skid control ECU receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via CAN communication.

The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1448	Yaw Rate Sensor Output Value	When the vehicle speed is 20 km/h (12 mph) or more, an invalid data signal is received from the yaw rate sensor for 120 seconds or more.	Yaw rate sensor (Airbag sensor assembly)

PROCEDURE

CHECK DTC

(a) Clear the DTCs.

Click here

(b) Start and idle the engine.

(d) Check if the same DTC is output.

Click here

Result	Proceed to
DTC C1448 is output	A
DTC C1448 is not output	B

REPLACE AIRBAG SENSOR ASSEMBLY

USE SIMULATION METHOD TO CHECK

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