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 CONNECTOR TERMINALS REFERENCE
| Terminal No. (Symbols) | Wiring color | Condition | STD voltage (V) | ||
|---|---|---|---|---|---|
| D27-1 - D27-6 (SLD--GND) | R-B - W-B | Seat moved rearward using slide switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-2 - D27-6 (FRV--GND) | L - W-B | Seat lowered using front vertical switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-3 - D27-6 (H--GND) | R-L - W-B | Headrest moved downward using headrest switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-4 - D27-6 (RRV--GND) | W - W-B | Seat lowered using lifter switch | 10 - 14 V | ||
| others | Below 1 V | ||||
| D27-5 - D27-6 (FRV+ - GND) | R-W-B | Seat raised using front vertical switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-6 - Body ground (GND - Body ground) | W-B - Body ground | Constant | Below 1 V | ||
| D27-7 - D27-6 (C+ - GND) | B-W - W-B | Seat cushion moved upward using headrest switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-8 - D27-6 (SLD+ - GND) | B - W-B | Seat moved forward using slide switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-9 - D27-6 (RRV+ - GND) | B-R - W-B | Seat raised using lifter switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-10 - D27-6 (RCL- - GND) | L-R - W-B | Seat moved rearward using reclining switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-11 - D27-6 (C- - GND) | Y - W-B | Seat cushion moved downward using headrest switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-12 - D27-6 (H+ - GND) | B-W - W-B | Headrest moved upward using headrest switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-13 - D27-6 (RCL+ - GND) | L - W-B | Seat moved forward using reclining switch | 10 - 14 V | ||
| Others | Below 1 V | ||||
| D27-14 - D27-6 (+B - GND) | B-R - W-B | Constant | 10 - 14 V | ||
| D28-1 - Body ground (SGND - Body ground) | BR - Body ground | Constant | Below 1 V | ||
| D28-4 - D28-1 (CSNR - SGND) | Y-B - BR | Seat cushion switch REAR | Below 1 V | ||
| Seat cushion switch FRONT | 10 - 14 V | ||||
| D28-5 - D28-1 (SSRS - SGND) | LG - BR | Slide operation | 0 - 8 V | ||
| D28-6 - D28-1 (SSRV - SGND) | LG-B - BR | Lifter operation | 0 - 8 V | ||
| D28-7 - D28-1 (SSRH - SGND) | O - BR | Headrest operation | 0 - 8 V | ||
| (1)D28-8 (IDL) | W | Climate control seat ECU communication circuit | - | ||
| D28-9 - D28-1 (SYSB - SGND) | V-Y - BR | Constant | 10 - 14 V | ||
| D28-10 - D28-1 (IG - SGND) | R-L - BR | Ignition switch ON | 10 - 14 V | ||
| D28-11 (MPX1) | P-L | Multiplex communication circuit | - | ||
| D28-12 - D28-.1 (CSNF - SGND) | Y - BR | Seat cushion switch FRONT | Below 1 V | ||
| Seat cushion switch REAR | 10 - 14 V | ||||
| D28-13 - D28-1' (SSRR - SGND) | GR - BR | Reclining operation | 0 - 8 V | ||
| D28-14 - D28-1 (SSFV - SGND) | LG-R - BR | Front vertical operation | 0 - 8 V | ||
| D28-15 - D28-1 (SSRC - SGND) | GR-R - BR | Seat cushion operation | 0 -8 V | ||
| D28-16 - D28-1; (PVCC - SGND) | V-W - BR | Power seat operation | 8 V | ||
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