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) |
|---|---|---|---|
| R14-1 - R14-6 (CPUB - GND) | V-Y - W-B | Constantly | 10 - 14 V |
| R14-2 - R14-6 (BDR - GND) | R-W - W-B | Constantly | 10 - 14 V |
| R14-4 - R14-6 (DN - GND) | G - W-B | Rear RH side power window is not operating | Below 1 V |
| Rear RH side power window is moving downward | 10 - 14 V | ||
| R14-5 - R14-6 (UP - GND) | R - W-B | Rear RH side power window is not operating | Below 1 V |
| Rear RH side power window is moving upward | 10 - 14 V | ||
| R14-6 - Body ground (GND - Body ground) | W-B - Body ground | Constantly | Below 1 V |
| R14-7 - R14-6 (CTY - GND) | L - W-B | Rear RH side door courtesy switch ON (Door open) | Below 1 V |
| Rear RH side door courtesy switch OFF (Door closed) | 10 - 14 V | ||
| R14-10 - R14-8 (CTYB - CYL) | L-Y - G | Rear RH side door courtesy switch ON (Door closed) | 10 - 14 V |
| Rear RH side door courtesy switch OFF (Door open) | Below 1 V | ||
| R14-14 - Body ground (SGND - Body ground) | BR-B - Body ground | Constantly | Below 1 V |
| R14-16 - R14-14 (LMT - SGND) | B-W - BR-B | Except window full-close position | Below 1 V |
| Window full-close position | 10 - 14 V | ||
| R14-17 - R14-14 (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 | ||
| R14-18(MPX1) | P-L | Multiplex communication circuit | - |
| R14-20(MPX2) | P-L | Multiplex communication circuit | - |
| R14-24 - R14-6 (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 | ||
| R14-26 - R14-6 (SIG - GND) | R-L-W-B | Ignition switch ON | 10 - 14 V |
| R15-4 - R15-30 (SET-MSWE) | GR - BR-W | Memory SET switch OFF | 10 - 14 V |
| Memory SET switch ON | Below 1 V | ||
| R15-7 - R15-30 (M - MSWE) | B-R - BR-W | Memory M switch OFF | 10 - A14 V |
| Memory M switch ON | Below 1 V | ||
| R15-8 - R15-30 (CAN - MSWE) | P-B - BR-W | Memory C switch OFF | 10 - 14 V |
| Memory C switch ON | Below 1 V | ||
| R15-9 - R15-30 (IND - MSWE) | P-L - BR-W | Rear seat memory cancel switch OFF | 10 - 14 V |
| Rear seat memory cancel switch ON | Below 1 V | ||
| R15-10 - R15-19 (AUTO - PWE) | W-G - BR-R | Rear RH side power window switch OFF | 10 - 14 V |
| Rear RH side power window switch AUTO | Below 1 V | ||
| R15-11 - R15-19 (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 | ||
| R15-21 - R15-19 (MDN - PWE) | L-W - BR-R | Rear RH side power window switch OFF | 10 - 14 V |
| Rear RH side power window switch DOWN | Below 1 V | ||
| R15-25 - R15-6 (ASH+ - ASH-) | R-Y - G-0 | Light control switch OFF | Below 1 V |
| Light control switch TAIL or HEAD | 10 - 14 V | ||
| R15-26 - R15-5 (LED+ - LED-) | L-Y | Inside handle illumination goes OFF | Pulse generation |
| Inside handle illumination goes ON | 3 - 6 V | ||
| R15-29 - Rl5-19 (MUP - PWE) | GR-G-BR-R | Rear RH side power window switch OFF | 10 - 14 V |
| Rear RH side power window switch UP | Below 1 V | ||
| 1 - R14-6 (A - GND) | -W-B | Rear RH side door lock is not operating | Below 1 V |
| Rear RH side door lock is operating to UNLOCK | 10 - 14 V | ||
| Rear RH side door lock is operating to LOCK | Below 1 V | ||
| 2 - R14-6 (A+ - GND) | - W-B: | Rear RH side door lock is not operating | Below 1 V |
| Rear RH side door lock is operating to LOCK | 10 - 14 V | ||
| Rear RH side door lock is operating to UNLOCK | Below 1 V | ||
| 4 - 20 (CPS3 - CPSE) | - | See "DTCB2213" | - |
| 5 - R14-6 (A1--GND) | - W-B | Rear RH side door closer is not operating | Below 1 V |
| Rear RH side door closer is operating | 10 - 14 V | ||
| Rear RH side door closer is operating | 10 - 14 V | ||
| 6 - R14-6 (A1+ - GND) | -W-B | Rear RH side door closer is not operating | Below 1 V |
| Rear RH side door closer is operating | 10 - 14 V | ||
| 14 - 20 (CPS2 - CPSE) | - | See "DTCB2213" | - |
| 16 - 20 (CPS1 - CPSE) | - | See "DTCB2213" | - |