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 > Spiral Cable: Inspection
INSPECTION
PROCEDURE
1. INSPECT SPIRAL CABLE SUB-ASSEMBLY
NOTICE:
Do not remove the steering sensor from the spiral cable sub-assembly
when inspecting the spiral cable sub-assembly.
Remove the steering sensor from the spiral cable sub-assembly only when
replacing the spiral c ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions
Operate
DESCRIPTION
When the wireless operation can be used to lock and unlock the doors, communication
between the electrical key and TPMS receiver assembly and certification ECU (smart
key ECU assembly) is normal. If the entry lock and unlock functions do not operate,
the entry cancel function may ...