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.
ECU TERMINAL VOLTAGE SPECIFICATION
| Symbols (Terminals No.) | Wiring Color | Condition | STD Voltage (V) |
|---|---|---|---|
| A2 (P9-1) - COM2 (P9-9) | B - G | IG switch ON, telescopic extended or contracted by manual switch | 190 - 230 (AC) |
| +B (P9-4) - GND (P8-6) | L-W - W-B | Always | 10 - 14 (DC) |
| A1 (P9-7) - COM1 (P9-15) | B - G | IG switch ON, tilt up or down by manual switch | 190 - 230 (AC) |
| B2 (P9-8) - COM2 (P9-9) | W - G | IG switch ON, telescopic extended or contracted by manual switch | 190 - 230 (AC) |
| S5V2 (P9-12) - SG2 (P9-10) | W-R - W-L | IG switch ON | 4.5 - 5.5 (DC) |
| S5V1 (P9-13) - SG1 (P9-14) | B-L - B-O | IG switch ON | 4.5 - 5.5 (DC) |
| B1 (P9-16) - COM1 (P9-15) | W - G | IG switch ON, tilt up or down by manual switch | 190 - 230 (AC) |
| ECUB (P8-1) - GND (P8-6) | R-B - W-B | Always | 10 - 14 (DC) |
| IG (P8-4) - GND (P8-6) | R-L - W-B | IG switch ON | 10 - 14 (DC) |
| IG switch LOCK | Below 1 (DC) |
NOTE:
To distinguish trouble and replace it, take necessary electrical shock prevention operation.