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
|
Toyota CH-R Service Manual > Occupant Detection Sensor: Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration)
that must be performed after parts are removed and installed, or replaced during
the occupant detection sensor removal/installation are shown below.
Necessary Procedure After Pa ...
Toyota CH-R Service Manual > Vehicle Stability Control System: Open in Stop Light Switch Circuit (C1249)
DESCRIPTION
The skid control ECU (brake actuator assembly) receives stop light switch signals
and uses them to determine whether or not the brakes are applied. DTCs may be stored
if either of the following occurs:
Stop light switch stuck on malfunction.
The accelerator and brake ped ...