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) |
|---|---|---|---|
| R13-1 - R13-6 (CPUB - GND) | V-Y <--> W-B | Constantly | 10 - 14 V |
| R13-2 - R13-6 (BDR - GND) | R-B <--> W-B | Constantly | 10 - 14 V |
| R13-4 - R13-6 (DN - GND) | G <--> W-B | Rear LH side power window is not operating | Below 1 V |
| Rear LH side power window is moving downward | 10 - 14 V | ||
| R13-5 - R13-6 (UP - GND) | R <--> W-B | Rear LH side power window is not operating | Below 1 V |
| Rear LH side power window is moving upward | 10 - 14 V | ||
| R13-6 - Body ground (GND - Body ground) | W-B <--> Body ground | Constantly | Below 1 V |
| R13-7 - R13-6 (CTY - GND) | L <--> W-B | Rear LH side door courtesy switch ON (Door open) | Below 1 V |
| Rear LH side door courtesy switch OFF (Door closed) | 10 - 14 V | ||
| R13-10 - R13-8 (CTYB - CYL) | L-Y <--> G | Rear LH side door courtesy switch ON (Door closed) | 10 - 14 V |
| Rear LH side door courtesy switch OFF (Door open) | Below 1 V | ||
| R13-14 - Body ground (SGND - Body ground) | BR-B <--> Body ground | Constantly | Below 1 V |
| R13-16 - R13-14 (LMT - SGND) | B-W <--> BR-B | Except window full-close position | Below 1 V |
| Window full-close position | 10 - 14 V | ||
| R13-17 - R13-14 (PLS - SGND) | Y-R <--> BR-B | While the power window is in operation | Pulse generation |
| Power window is not operated (pulse switch ON) | Below 1 V | ||
| Power window is not operated (pulse switch OFF) | 10 - 14 V | ||
| R13-18(MPX1) | P <--> L | Multiplex communication circuit | - |
| R13-20(MPX2) | P <--> L | Multiplex communication circuit | - |
| R13-24 - R13-6 (PCTI - GND) | Y-B <--> W-B | Power window master switch window lock OFF | 10 - 14 V |
| Power window master switch window lock ON | Below 1 V | ||
| R13-26 - R13-6 (SIG - GND) | R-L <--> W-B | Ignition switch ON | 10 - 14 V |
| R12-4 - R12-30 (SET - MSWE) | GR <--> BR-W | Memory SET switch OFF | 10 - 14 V |
| Memory SET switch ON | Below 1 V | ||
| R12-7 - R12-30 (M - MSWE) | B-R <--> BR-W | Memory M switch OFF | 10 - 14 V |
| Memory M switch ON | Below 1 V | ||
| R12-8 - R12-30 (CAN - MSWE) | P-B <--> BR-W | Memory C switch OFF | 10 - 14 V |
| Memory C switch ON | Below 1 V | ||
| R12-9 - R12-30 (IND-MSWE) | P-L <--> BR-W | Rear seat memory cancel switch OFF | 10 - 14 V |
| Rear seat memory cancel switch ON | Below 1 V | ||
| R12-10 - R12-19 (AUTO - PWE) | GR-G <--> BR-R | Rear LH side power window switch OFF | 10 - 14 V |
| Rear LH side power window switch AUTO | Below 1 V | ||
| R12-11 - R12-19 (PCTO - PWE) | W-G <--> BR-R | Power window master switch window lock OFF | 10 - 14 V |
| Power window master switch window lock ON | Below 1 V | ||
| R12-21 - R12-19 (MDN - PWE) | R-W <--> BR-R | Rear LH side power window switch OFF | 10 - 14 V |
| Rear LH side power window switch DOWN | Below 1 V | ||
| R12-25 - R12-6 (ASH+ - ASH-) | R-Y <--> G-O | Light control switch OFF | Below 1 V |
| Light control switch TAIL or HEAD | 10 - 14 V | ||
| R12-26 - R12-5 (LED+ - LED-) | L <--> Y | Inside handle illumination goes OFF | Pulse generation |
| Inside handle illumination goes ON | 3 - 6 V | ||
| R12-29 - R12-19 (MUP - PWE) | L-W <--> BR-R | Rear LH side power window switch OFF | 10 - 14 V |
| Rear LH side power window switch UP | Below 1 V | ||
| 1 - R13-6 (A -- GND) | -<--> W-B | Rear LH side door lock is not operating | Below 1 V |
| 2 - R13-6 (A+ - GND) | - <--> W-B | Rear LH side door lock is not operating | Below 1 V |
| 4 - 20 (CPS3 - CPSE) | - <--> - | See "DTCB2214" | - |
| 14 - 20 (CPS2 - CPSE) | - <--> - | See "DTCB2214" | - |
| 16 - 20 (CPS1 - CPSE) | - <-->.- | See "DTCB2214" | - |