General
The components of the headlight cleaner system have been changed.
The headlight light control ECU sub-assembly RH controls this system.
System Diagram
Figure 1. Models without Washer Interlocking Function
Figure 2. Models with Washer Interlocking Function
Layout of Main Components
| *A | Models without Washer Interlocking Function | *B | Models with Washer Interlocking Function |
| *1 | Headlight Assembly RH
|
*2 | Headlight Assembly LH
|
| *3 | Windshield Washer Jar Assembly
|
*4 | Windshield Washer Jar Assembly
|
| *5 | Windshield Wiper Switch Assembly
|
*6 | Main Body ECU (Multiplex Network Body ECU) |
| *7 | Combination Switch Assembly | *8 | Headlight Cleaner Switch |
| *9 | Headlight Dimmer Switch Assembly | - | - |
Function of Main Components
| Component | Function | |
|---|---|---|
| Headlight Light Control ECU Sub-assembly RH | Controls the headlight cleaner system according to the signals from the each ECU and the switch. | |
| Headlight Light Control ECU Sub-assembly LH | Sends the low beam headlight illumination request signal to the headlight light control ECU sub-assembly RH. | |
| Combination Switch Assembly | Headlight Cleaner Switch | Sends the headlight cleaner switch operation signal to the headlight light control ECU sub-assembly RH. |
| Headlight Cleaner Motor and Pump Assembly | Sends the washer fluid to the headlight cleaner actuator sub-assembly in accordance with the signals from the headlight light control ECU sub-assembly RH. | |
| Main Body ECU (Multiplex Network Body ECU) | Sends the low beam head light illumination request signal to the headlight light control ECU sub-assembly LH after inputting the light control switch signal from the headlight dimmer switch assembly | |
| Headlight Dimmer Switch Assembly | Transmits a light control signal to the main body ECU. | |
| Windshield Washer Motor and Pump Assembly* | Activates in accordance with the signal from the washer switch (windshield wiper switch assembly). | |
| Windshield Wiper Switch Assembly | Washer Switch* | Sends the windshield washer switch operation signal to the headlight light control ECU sub-assembly RH. |
*: Models with washer interlocking function
Operation
The headlight cleaner system operates as follow:
| Low Beam Headlight | Headlight Cleaner Switch | Windshield Washer Switch* | |
| On | On (First Time) | On (Second Time or Later) | |
| On | Activated | Activated | Not Activated |
| Off | Not Activated | Not Activated | Not Activated |
*: Models with washer interlocking function