Toyota Sienna 2010-2025 Owners Manual: High beam automatic turning on or off conditions
When all of the following conditions are fulfilled, high beam will be automatically turned on (after approximately 1 second):
- Vehicle speed is above approximately 20 mph (32 km/h).
- The area ahead of the vehicle is dark.
- There are no oncoming or preceding vehicles with headlights or tail lights turned on.
If any of the following conditions are fulfilled, high beam will be automatically turned off:
- Vehicle speed drops below approximately 20 mph (32 km/h).
- The area ahead of the vehicle is not dark.
- Oncoming or preceding vehicles have headlights or tail lights turned on.
Activating the Automatic High Beam system
Push the lever away from you with
the headlight switch in the
position.
The Automatic High Beam indicator
will come on when the headlights
are turned on automatically
to indicate that the ...
Turning the high beam on/off manually
Switching to low beam
Pull the lever to the original
position.
Switching to high beam
Turn the light switch to the
position.
The Automatic High Beam can be operated when
The engine swi ...
Other materials:
Transmitter ID not Registered
DTC C2171/71 Transmitter ID not Registered
DESCRIPTION
The IDs of each tire pressure warning valve and transmitters are registered
to the tire pressure warning
ECU.
When the IDs have never been registered, a DTC is output.
INSPECTION PROCEDURE
NOTICE:
When replacing the tire pressu ...
How to proceed with troubleshooting
The intelligent tester can be used at step 2, 5, 8, 11.
1 Vehicle Brought to Workshop
2 Check and Clear DTCs and Freeze Frame Data
HINT:
See page BC-82 and BC-84.
3 Problem Symptom Confirmation
4 Symptom Simulation
5 DTC Check
HINT:
See page BC-82.
6 Problem Symptoms Table
HINT: ...
Steering Angle Sensor Circuit Malfunction
DTC C1231/31 Steering Angle Sensor Circuit Malfunction
DESCRIPTION
The steering angle sensor signal is sent to the skid control ECU through the
CAN communication system.
When there is a malfunction in the communication, it will be detected by the
diagnosis function.
WIRING DIAGRAM
INS ...
