Toyota CH-R Service Manual: 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

    Performance Decline of Brake Function (C1441)
    DESCRIPTION The skid control ECU judges brake failure conditions have occurred based on signals from the brake pedal load sensing switch and master cylinder pressure sensor. NOTICE: Do not intent ...

    Open in ABS Solenoid Relay Circuit (C146E)
    DESCRIPTION The ABS solenoid relay is built into the skid control ECU in the brake actuator assembly. The ABS solenoid relay supplies power to the ABS and TRAC solenoids. The skid control ECU det ...

    Other materials:

    Toyota CH-R Service Manual > Steering Lock System: How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedures to troubleshoot the steering lock system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

    Toyota CH-R Service Manual > Tire Pressure Warning Valve: Installation
    INSTALLATION CAUTION / NOTICE / HINT NOTICE: Always use a new grommet and valve core when installing the tire pressure warning valve and transmitter. Check that the washer and nut are not damaged, and replace them if necessary. Make sure not to damage the urethane covered b ...

    © 2017-2020 Copyright www.tochr.net
    0.0226