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

1.

CHECK DTC

(a) Clear the DTCs.

Click here

(b) Start and idle the engine.

(c) Drive the vehicle at a speed of 20 km/h (12 mph) or more for at least 120 seconds, and then stop 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
A

REPLACE AIRBAG SENSOR ASSEMBLY

B

USE SIMULATION METHOD TO CHECK

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