Wiper Control Ecu
WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
STD VOLTAGE SPECIFICATIONS
| Symbols (Terminal No.) | Wiring Color | Condition | STD Voltage (V) |
|---|---|---|---|
| S/S <--> Body ground (A50-1 <--> Body ground) | L-B <--> Body ground | Ignition switch ON and front wiper switch except LO --> LO | Below 1 V --> 10-14 V |
| +2 <--> Body ground (A50-2 <--> Body ground) | L-R <--> Body ground | Ignition switch ON and front wiper switch except HI --> HI | Below 1 V --> 10-14 V |
| S/M <--> Body ground (A50-5 <--> Body ground) | L-W <--> Body ground | Ignition switch ON and front wiper stop position --> Except stop | Below 2 V --> 10-14 V |
| WSHI <--> Body ground (A50-6 <--> Body ground) | L-R <--> Body ground | Ignition switch ON and front wiper switch except HI --> HI | 10-14 V --> Below 1 V |
| WSLO <--> Body ground (A50-7 <--> Body ground) | L-B <--> Body ground | Ignition switch ON and front wiper switch except LO --> LO | 10-14 V --> Below 1 V |
| WSE <--> Body ground (A50-8 <--> Body ground) | L <--> Body ground | Always | Below 1 V |
| WIG <--> Body ground (A50-10 <--> Body ground) | R-W <--> Body ground | Ignition switch OFF --> ON | 0 V --> 10-14 V |
| MPX1 (A51-1) | R-Y | Multiplex communication circuit signals | - |
| MPX2 (A51-2) | B | Multiplex communication circuit signals | - |
| VR <--> Body ground (A51-3 <--> Body ground) | L-W <--> Body ground | Ignition switch ON and sensitivity volume "FAST" --> "SLOW" | Below 1 V --> 4.4 V |
| N <--> Body ground (A51-4 <--> Body ground) | G-R <--> Body ground | Ignition switch ON and PNP switch except N --> N | Below 1 V --> 10-14 V |
| WASH <--> Body ground (A51-6 <--> Body ground) | L-Y <--> Body ground | Ignition switch ON and front washer switch OFF --> ON | 10 - 14 V --> Below 1 V |
| WSAU <--> Body ground (A51-7 <--> Body ground) | R-L <--> Body ground | Ignition switch ON and front wiper switch except AUTO --> AUTO | 10 - 14 V --> Below 1 V |
| +B <--> Body ground (A51-8 <--> Body ground) | L-W <--> Body ground | Always | 10 - 14 V |
| EVR <--> Body ground (A51-9 <--> Body ground) | R-W <--> Body ground | Always | Below 1 V |
| STP <--> Body ground (A51-10 <--> Body ground) | G-W <--> Body ground | Ignition switch ON and stop light switch OFF --> ON | Below 1 V --> 10 - 14 V |
| GND <--> Body ground (A51-12 <--> Body ground) | W-B <--> Body ground | Always | Below 1 V |