Terminals Of Ecu
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
VOLTAGE SPECIFICATION
| Terminal No. (Symbols) | Wiring color | Condition | STD voltage (V) |
|---|---|---|---|
| R26-1 - R26-14 (+B - GND) | L - W-B | Constant | 10 - 14 V |
| R26-2 - R26-14 (SLD+ - GND) | R-B - W-B | Seat moved forward using slide switch | 10 - 14 V |
| Others | Below 1 V | ||
| R26-4 - R26-14 (PVCC - GND) | O - W-B | Rear power weat slide operation | 8 V |
| R26-6 - R26-14 (STRT - GND) | G-Y - W-B | Vibration seat ECU communication circuit | - |
| R26-7 (MPX) | P-L | Multiplex communication circuit | - |
| R26-8 - R26-14 (BKL - GND) | G-R - W-B | Rear seat buckle switch ON | Below 1 V |
| Rear seat buckle switch OFF | 10 - 14 V | ||
| R26-10 - R26-14 (SSRS - GND) | G - W-B | Slide operation | 0 V - 8 V |
| R26-12 - R26-14 (SEL2 - GND) | W-B - W-B | Constant | Below 1 V |
| R26-13 - R26-14 (HUP - GND) | W - W-B | Headrest moved upward using headrest switch | 10 - 14 V |
| Others | Below 1 V | ||
| R26-14 - Body ground (GND - Body ground) | W-B - Body ground | Constant | Below 1 V |
| R26-15 - R26-14 (SLD -- GND) | B - W-B | Seat moved rearward using slide switch | 10 - 14 V |
| Others | Below 1 V | ||
| R26-17 - R26-14 (PCV2 - GND) | Y - W-B | Rear power seat headrest operation | 8 V |
| R26-18 - R26-14 (SYSB - GND) | V-Y - W-B | Constant | 10 - 14 V |
| R26-19 - R26-14 (STOP - GND) | L-R - W-B | Vibration seat ECU communication circuit | - |
| R26-20 - R26-14 (HRSW - GND) | GR-L - W-B | Headrest limit switch ON (Headrest position max upside) | Below 1 V |
| Headrest limit switch OFF (Headrest position except max upside) | 10 - 14 V | ||
| R26-22 - R26-14 (SSRH - GND) | R - W-B | Headrest operation | 0 V - 8 V |
| R26-23 - Body ground (SGND - Body ground) | W-B - Body ground | Constant | Below 1 V |
| R26-25 - R26-14 (HDWN - GND) | R-L - W-B | Headrest moved upward using headrest switch | 10 - 14 V |
| Others | Below 1 V |