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 |
Dtc Check / Clear
DTC CHECK / CLEAR
1. DTC CHECK USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
(e) Check for DTCs.
2. DTC CLEAR USING TECHSTREAM
(a) Conn ...
Rear Occupant Classification Sensor RH Circuit Malfunction (B1783)
DESCRIPTION
The rear occupant classification sensor RH circuit consists of the occupant detection
ECU and the rear occupant classification sensor RH.
DTC B1783 is set when a malfunction is detected in the rear occupant classification
sensor RH circuit.
DTC No.
DTC Detect ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the table. Check each symptom by
check ...