DESCRIPTION
The millimeter wave radar sensor assembly receives steering angle information from the steering angle sensor (spiral cable with sensor sub-assembly). If the millimeter wave radar sensor assembly detects a steering angle sensor (spiral cable with sensor sub-assembly) malfunction, DTC C1A47 is stored.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1A47 |
Steering Angle Sensor |
While the vehicle is being driven at a speed of 50 km/h (32 mph) or more, the millimeter wave radar sensor assembly receives a steering angle sensor (spiral cable with sensor sub-assembly) malfunction signal continuously for 0.8 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
PROCEDURE
1. |
CHECK FOR DTCs (VEHICLE STABILITY CONTROL SYSTEM) |
HINT:
Pre-collision system DTC C1A47 may be stored due to a malfunction in the VSC system. Therefore, it is necessary to check for and troubleshoot VSC system DTCs first.
(a) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
Vehicle stability control system DTCs are not output |
A |
Vehicle stability control system DTCs are output |
B |
B | ![]() |
GO TO VEHICLE STABILITY CONTROL SYSTEM |
|
2. |
CHECK FOR DTCs (PRE-COLLISION SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1A47 is not output |
A |
DTC C1A47 is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
|
3. |
REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY |
(a) Replace the millimeter wave radar sensor assembly.
Click here
(b) Adjust the millimeter wave radar sensor assembly.
Click here
|
4. |
CHECK FOR DTCs (PRE-COLLISION SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1A47 is not output |
A |
DTC C1A47 is output |
B |
A | ![]() |
END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS DEFECTIVE) |
B | ![]() |
REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) |
Toyota CH-R Service Manual > Airbag System: Front Door Pressure Sensor RH (B166C/4A,B166F/4A)
DESCRIPTION
The side collision sensor RH circuit (bus 1) consists of the airbag sensor assembly,
door side airbag sensor RH, No. 1 side airbag sensor RH and No. 2 side airbag sensor
RH.
The door side airbag sensor RH, No. 1 side airbag sensor RH and No. 2 side airbag
sensor RH detect impacts ...
Toyota CH-R Service Manual > Front Brake: Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT DISC BRAKE PISTON
(a) Place a piece of cloth between the front disc brake piston and front
disc brake cylinder assembly.
*a
Cloth
...