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

    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 > Safety Connect System: Short in Telephone SUB Antenna Circuit (B1536,B1537)
    DESCRIPTION These DTCs are stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly (for Front Side) circuit. The DCM (Telematics Transceiver) oscillates and receives 824 - 894 MHz or 1850 - 1990 MHz radio-frequency through the telephon ...

    Toyota CH-R Service Manual > Can Communication System: Restraints Occupant Classification System Module Communication Stop Mode
    DESCRIPTION Detection Item Symptom Trouble Area Restraints Occupant Classification System Module Communication Stop Mode Any of the following conditions are met: Communication stop for "Occupant Detection" is indic ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2024 Copyright www.tochr.net
    0.0089