DESCRIPTION
These DTCs are stored when a communication malfunction occurs between ECUs that perform pre-collision system control.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
U0100 |
Lost Communication with ECM / PCM "A" |
When the vehicle is being driven at a speed of 5 km/h (4 mph) or more, a communication error between the ECM and millimeter wave radar sensor assembly is detected for approximately 4 seconds. |
|
U0125 |
Lost Communication with Yaw Rate Sensor Module |
When the vehicle is being driven at a speed of 5 km/h (4 mph) or more, a communication error between the yaw rate sensor (airbag sensor assembly) and millimeter wave radar sensor assembly is detected for approximately 1 second. |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
When the ignition switch is ON, a communication error between the steering angle sensor (spiral cable with sensor sub-assembly) and millimeter wave radar sensor assembly is detected for approximately 1 second. |
|
U0129 |
Lost Communication with Brake System Control Module |
When the ignition switch is ON, a communication error between the skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 and millimeter wave radar sensor assembly is detected for approximately 6 seconds. |
|
PROCEDURE
1. |
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 U0100, U0125, U0126 and U0129 are not output |
A |
DTC U0100, U0125, U0126 or U0129 is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
Camper information
This information has been prepared in accordance with regulation issued by
the National Highway Traffic Safety Administration of the U.S. Department of Transportation.
It provides the purchasers and/or prospective purchasers of Toyota vehicles with
information on truck-camper loading. Your Toy ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FRONT AXLE HUB OIL SEAL
(a) Using a brass bar and a hammer, install a new front axle hub oil seal.
NOTICE:
Do not damage the oil seal.
2. INSTALL FRONT AXLE WITH ABS ROTOR BEARING ASSEMBLY
(a) Using SST and a press, install a new bearing onto the front axle ...
Short to +B in Outer Mirror Indicator(Master) (C1AB0)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH detects a +B short in
the blind spot monitor indicator LH.
DTC Code
DTC Detection Condition
Trouble Area
C1AB0
With the blind spot monitor main switch assembly (warni ...