Toyota Sienna Service Manual: Lost Communication with Steering Angle Sensor Module
DTC U0126 Lost Communication with Steering Angle Sensor Module
DESCRIPTION
This circuit detects the angle and direction of the steering wheel and automatically transmits a signal to the skid control ECU and distance control ECU.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|
U0126 |
While the dynamic laser cruise control is either preparing for operation or operating, if the ECM continuously receives a steering sensor communication error signal for a certain amount of time, the distance control ECU sends a signal to the ECM to record this trouble code |
|
INSPECTION PROCEDURE
HINT: This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.
1 CHECK CAN COMMUNICATION SYSTEM
Refer to HOW TO PROCEED WITH TROUBLESHOOTING
END
Communication Error of Yaw Rate Sensor
DTC U0123 Communication Error of Yaw Rate Sensor
DESCRIPTION
This circuit detects the yaw rate of the vehicle and transmits its signal to
the skid control ECU and
distance control ECU.
...
Lost Communication with Cruise Control Front
Distance Range Sensor
DTC U0235 Lost Communication with Cruise Control Front
Distance Range Sensor
DESCRIPTION
The laser sensor and distance control ECU transmit the data for general
vehicle control and diagnosis
fun ...
Other materials:
AVC-LAN Circuit
DESCRIPTION
Each unit of the navigation system connected to the AVC-LAN (communication
bus) transfers the signal of
each switch by communication.
When a short to +B or short to ground occurs in this AVC-LAN, the navigation
system will not function
normally as the communication is discontin ...
Lubrication system
On-vehicle inspection
1. CHECK ENGINE OIL LEVEL
(a) Warm up the engine, stop it and wait 5 minutes. The
oil level should be between the dipstick's low level
mark and full level mark.
If the engine oil level is low, check for leakage and
add oil up to the full level mark.
NOTICE:
D ...
Removal
1. REMOVE REAR SEAT LEG SIDE GARNISH SUBASSEMBLY RH
Disengage the clips and remove the seat leg side
garnish sub-assembly RH.
2. REMOVE REAR NO. 2 SEAT ASSEMBLY RH
Remove the bolt and locus cable RH.
Remove the 2 bolts and rear No. 2 seat assembly
RH.
R ...
