DESCRIPTION
These DTCs are output when a communication malfunction occurs between the sensors and ECUs.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
U0123 |
Lost Communication with Yaw Rate Sensor Module |
3 seconds after the ignition switch is turned to ON, the vehicle is being driven at 5 km/h (3 mph) or more and a communication error between the yaw rate sensor and the forward recognition camera is detected for approximately 5 seconds or more. |
|
U0126 |
Lost Communication With Steering Angle Sensor Module |
3 seconds after the ignition switch is turned to ON, a communication error between the spiral cable with sensor sub-assembly and the forward recognition camera is detected for approximately 5 seconds or more. |
|
U0129 |
Lost Communication with Brake System Control Module |
3 seconds after the ignition switch is turned to ON, a communication error between the skid control ECU (brake actuator assembly) and the forward recognition camera is detected for approximately 5 seconds or more. |
|
U0142 |
Lost Communication with Body Control Module "B" |
3 seconds after the ignition switch is turned to ON, a communication error between the main body ECU (multiplex network body ECU) and the forward recognition camera is detected for approximately 5 seconds or more. |
|
U0155 |
Lost Communication with Combination Meter |
3 seconds after the ignition switch is turned to ON, a communication error between the combination meter assembly and the forward recognition camera is detected for approximately 50 seconds or more. |
|
PROCEDURE
1. |
CHECK FOR DTCs |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
(e) Clear the DTCs.
Click here
(f) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(g) Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
(h) Check the DTCs.
Click here
Result |
Proceed to |
---|---|
DTC U0123, U0126, U0129, U0142 and U0155 are not output |
A |
DTC U0123, U0126, U0129, U0142 or U0155 is output |
B |
A |
USE SIMULATION METHOD TO CHECK |
B |
GO TO CAN COMMUNICATION SYSTEM |
Low Power Supply Voltage Malfunction (C1241)
DESCRIPTION
If a malfunction is detected in the power supply circuit, the skid control ECU
(brake actuator assembly) stores this DTC and the fail-safe function prohibits ABS
operation.
This DTC is stored when the +BS terminal voltage deviates from the DTC detection
condition due to a malfunc ...
Emergency flashers
Use the emergency flashers if the vehicle malfunctions or is involved in an
accident.
Press the switch to flash all the turn signal lights. To turn them off, press
the switch once again.
NOTICE
■To prevent battery discharge
Do not leave the emergency flashers on longer than necessary ...
Clearance Warning ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the clearance warning ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuse for circuits related to this system before performing the following
inspection procedure.
PROCEDURE
1.
CHECK HARNES ...