Toyota CH-R Service Manual: System Description
SYSTEM DESCRIPTION
AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL
(a) General
The automatic headlight beam level control system ensures forward visibility and prevents dazzling of drivers in oncoming and preceding vehicles by controlling the headlight beam level vertically when the weight of passengers and loads has caused the vehicle attitude to change.
(b) Function of Main Components
|
Component |
Outline |
|---|---|
|
Headlight ECU Sub-assembly |
Receives various signals, calculates changes in the vehicle posture, and actuates the headlight leveling motor. |
|
Headlight Unit Assembly (Headlight Leveling Motor) |
Based on the signals received from the headlight ECU sub-assembly LH or RH, the motors move the reflectors in the headlight to change the low beam angle. |
|
Rear Height Control Sensor Sub-assembly LH |
Transmits a height control sensor signal to the headlight ECU sub-assembly LH. |
|
Brake Actuator Assembly (Skid Control ECU) |
Transmits a speed sensor signal to the headlight ECU sub-assembly LH. |
|
ECM |
Transmits an engine running status signal to the headlight ECU sub-assembly LH. |
|
Main Body ECU (Multiplex Network Body ECU) |
Transmits a headlight status signal to the headlight ECU sub-assembly LH. |
|
Combination Meter Assembly |
If the system malfunctions, "Headlight System Malfunction Visit Your Dealer" warning message will be displayed on the multi-information display in the combination meter assembly in accordance with the signal from the headlight ECU sub-assembly LH. |
(c) Initial Set Control
When the engine is started, the headlight ECU sub-assembly LH drives the headlight leveling motor and moves the headlight reflector to the lower limit position and returns it to the proper position. The headlight ECU sub-assembly LH thus assesses the position of the headlight for reference control.
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the automatic headlight
beam level control system.
*: Use the Techstream.
PROCEDURE
...
Initialization
INITIALIZATION
NOTICE:
The necessary procedures (adjustment, calibration, initialization or
registration) that must be performed after parts are removed and installed,
or replaced du ...
Other materials:
Toyota CH-R Service Manual > Height Control Sensor: Components
COMPONENTS
ILLUSTRATION
*1
REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH
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N*m (kgf*cm, ft.*lbf): Specified torque
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-
...
Toyota CH-R Service Manual > General Maintenance: Outside Vehicle
OUTSIDE VEHICLE
These are maintenance and inspection items that are considered to be
the owner's responsibility.
The owner can do them or they can have them done at a service center.
These items include those that should be checked on a daily basis, those
that in most cases ...
Toyota C-HR (AX20) 2023-2026 Owner's Manual
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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