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 will be 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 1 second or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. |
CHECK FOR DTCs (VEHICLE STABILITY CONTROL SYSTEM) |
HINT:
Pre-collision system DTC C1A47 may be stored due to a malfunction in the vehicle stability control system. Therefore, it is necessary to check for and troubleshoot vehicle stability control system DTCs first.
(a) Check for DTCs.
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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.
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(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.
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Result |
Proceed to |
---|---|
DTC C1A47 is not output |
A |
DTC C1A47 is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
B | ![]() |
REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY |
Removal
REMOVAL
PROCEDURE
1. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
(See page )
2. REMOVE NO. 1 RADIATOR HOSE
3. REMOVE NO. 2 RADIATOR HOSE
4. DISCONNECT RADIATOR RESERVE TANK HOSE
5. SEPARATE TRANSMISSION OIL COOLER HOSE (for Automatic Transmission)
(a) Disengage the c ...
VSC Buzzer Circuit
DESCRIPTION
The skid control ECU (master cylinder solenoid) is connected to the combination
meter via CAN communication.
The combination meter has a built-in VSC warning buzzer:
Sounds intermittently to inform the driver if the temperature of hydraulic
brake booster has increased exc ...
Adjustment
ADJUSTMENT
CAUTION / NOTICE / HINT
NOTICE:
For vehicles equipped with VSC, if the wheel alignment has been adjusted, and
if suspension or underbody components have been removed/installed or replaced, be
sure to perform the following initialization procedure in order for the system to
functi ...