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.
WIRING COLOR CONDITION
| Terminal No. (Symbols) | Wiring Color | Condition | STD Voltage (V) |
|---|---|---|---|
| D25-1 - Body ground (GND - Body ground) | W-B - Body ground | Constantly | Below 1 V |
| D25-2 - D25-1 (DN - GND) | G - W-B | Driver side power window is not operating | Below 1 V |
| Driver side power window is moving downward | 10 - 14 V | ||
| D25-3-D25-1 (UP - GND) | R-G - W-B | Driver side power window is not operating | Below 1 V |
| Driver side power window is moving upward | 10 -14 V | ||
| D25-4 - D25-1 (CPUB - GND) | V-Y - W-B | Constantly | 10 - 14 V |
| D25-5 - D25-1 (SIG - GND) | R-L - W-B | Ignition switch ON | 10 - 14 V |
| D25-6 - D25-1 (BDR - GND) | R - W-B | Constantly | 10 - 14 V |
| D25-7 - D25-18 (ECI+ - ECI-) | G-R - BR-B | Electro chromic outer mirror system is operating | 10 - 14 V |
| Electro chromic outer mirror system is not operating | Below 1 V | ||
| D25-8 - D25-20(PLS - SGND) | V-G - BR-W | During 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 | ||
| D25-16 - D24-22 (WLSW - PWS) | Y - V-W | Window lock switch OFF | 10 - 14 V |
| Window lock switch ON | Below 1 V | ||
| D25-17(MPX1) | P-L | Multiplex communication circuit | - |
| D25-19 - D25-20 (LMT - SGND) | B-W - BR-W | Except window full-close position | Below 1 V |
| Window full-close position | 10 - 14 V | ||
| D25-20 - Body ground (SGND - Body ground) | BR-W - Body ground | Constantly | Below 1 V |
| D25-23 - D25-1 (CTY - GND) | P-G - W-B | Driver door courtesy switch ON (Door open) | Below 1 V |
| Driver door courtesy switch OFF (Door closed) | 10 - 14 V | ||
| D25-24 - D25-15 (CTYB - CYL) | L-Y - G | Driver door courtesy switch OFF (Door closed) | Below 1 V |
| Driver door courtesy switch ON (Door open) | 10 - 14 V | ||
| D25-25 - D25-1 (WLS1 - GND) | Y-B - W-B | Window lock switch OFF | 10 - 14 V |
| Window lock switch ON | Below 1 V | ||
| D25-26 (MPX2) | P-L | Multiplex communication circuit - | - |
| D24-2 - D24-30 (AUTO - PWE) | W-G - BR-R | Driver power window switch OFF | 10 - 14 V |
| Driver power window switch AUTO | 10 - 14 V | ||
| D24-3 - D24-26 (DSUP - DSE) | L-W - L-0 | Shoulder belt adjust switch OFF | Below 1 V |
| Shoulder belt adjust switch UP | 10 - 14 V | ||
| D24-7 - D24-18 (LED+ - LED-) | L-Y | Inside handle illumination goes OFF | Pulse generation |
| Inside handle illumination goes ON | 3-6 V | ||
| D24-8 - D25-1 (ML - GND) | W - W-B Door lock manual switch OFF | 10 - 14 V | |
| Door lock manual switch LOCK | Below 1 V | ||
| D24-9 - D24-28 (M3 - MSWE) | P-L - BR-W | Memory 3 position switch OFF | 10 - 14 V |
| Memory 3 position switch ON | Below 1 V | ||
| D24-14 - D24-26 (DSDN - DSE) | L-Y - L-0 | Shoulder belt adjust switch OFF 10 - 14 V | |
| Shoulder belt adjust switch DOWN | Below 1 V | ||
| D24-15-D24-4 (SC3 - DT3) | R-W - G-B | Power window switch OFF (except Driver side switch) | 10 - 14 V |
| Power window switch AUTO (except Driver side switch) | Below 1 V | ||
| D24-15 - D24-5 (SC3 - DT2) | R-W - L-B | Power window switch OFF (except Driver side switch) | 10 - 14 V |
| Power window switch AUTO (except Driver side switch) | Below 1 V | ||
| D24-15 - D24-6 (SC3 - DT1) | R-W - G-R | Power window switch OFF (except Driver side switch) | 10 - 14 V |
| Power window switch AUTO (except Driver side switch) | Below 1 V | ||
| D24-16 - D24-4 (SC2 - DT3) | Y-R - G-B | Power window switch OFF (except Driver side switch) | 10 - 14 V |
| Power window switch UP (except Driver side switch) | Below 1 V | ||
| D24-16 - D24-5 (SC2 - DT2) | Y-R - L-B | Power window switch OFF (except Driver side switch) | 10 - 14 V |
| Power window switch UP (except Driver side switch) | Below 1 V | ||
| D24-16 - D24-6 (SC2 - DT1) | Y-R - G-R | Power window switch OFF (except Driver side switch) | 10 - 14 V |
| Power window switch UP (except Driver side switch) | Below 1 V | ||
| D24-17 - D24-4 (SC1 - DT3) | L-R - G-B | Power window switch OFF (except Driver side switch) | 10 - 14 V |
| Power window switch DOWN (except Driver side switch) | Below 1 V | ||
| D24-17 - D24-5 (SC1 - DT2) | L-R - L-B | Power window switch OFF (except Driver side switch) | 10 - 14 V |
| Power window switch DOWN (except Driver side switch) | Below 1 V | ||
| D24-17 - D24-6 (SC1 - DT1) | L-R - G-R | Power window switch OFF (except Driver side switch) | 10 - 14 V |
| Power window switch DOWN (except Driver side switch) | Below 1 V | ||
| D24-19 - D25-1 (MUL - GND) | W-R - W-B | Door lock manual switch OFF | 10 - 14 V |
| Door lock manual switch UNLOCK | Below 1 V | ||
| D24-20 - D24-28 (M2 - MSWE) | P-B - BR-W | Memory 2 position switch OFF | 10 - 14 V |
| Memory 2 position switch ON | Below 1 V | ||
| D24-21 - D24-28 (M1 - MSWE) | P - BR-W | Memory 1 position switch OFF | 10 - 14 V |
| Memory 1 position switch ON | Below 1 V | ||
| D24-23 - D24-30 (MUP - PWE) | Y-B - BR-R | Driver power window switch OFF | 10 - 14 V |
| Driver power window switch UP | Below 1 V | ||
| D24-25 - D24-30 (MDN - PWE) | G - BR-R | Driver power window switch OFF | 10 - 14 V |
| Driver power window switch DOWN | Below 1 V | ||
| D24-29 - D24-28 (MM - MSWE) | GR - BR-W | Memory SET switch OFF | 10 - 14 V |
| Memory SET switch ON | Below 1 V | ||
| 1 - D25-1 (A+ - GND) | -W-B | Driver door lock is operating to UNLOCK | 10 - 14 V |
| Driver door lock is operating to LOCK | Below 1 V | ||
| 2 - D25-1 (A+ - GND) | - W-B | Driver door lock is operating to LOCK | 10 - 14 V |
| Driver door lock is operating to UNLOCK | Below 1 V | ||
| 4 - 21. (CPS3 - KEYE) | - | See "DTCB2211 | - |
| 5 - D25-1 (A1 - GND) | - W-B | Driver door closer is not operating | Below 1 V |
| Driver door closer is operating | 10 - 14 V | ||
| 6 - D25-1 (A1+ - GND) | - W-B | Driver door closer is not operating | Below 1 V |
| Driver door closer is operating | 10 - 14 V | ||
| 9 - 21 (KUL - KEYE) | - | Door key lock and unlock switch OFF | 10 - 14 V |
| Door key lock and unlock switch UNLOCK | Below 1 V | ||
| 10 - 21 (KL - KEYE) | - | Door key lock and unlock switch LOCK | Below 1 V |
| Door key lock and unlock switch OFF | 10 - 14 V | ||
| 14 - 21 (CPS2-KEYE) | - | See "DTCB2211" | - |
| 16-21 (CPS1 - KEYE) | - | See "DTCB2211" | - |
| 1 - D25-1 (#MVR-GND) | - W-B | Driver outside view mirror is not operating | Below 1 V |
| Driver outside view mirror is operating to DOWN or LEFT | Below 1 V | ||
| Driver outside view mirror is operating to UP or RIGHT | 10 - 14 V | ||
| 2 - 12 (LP - HTR-) | - | Driver outside view mirror step light lights up (Door unlocked) | 10 - 14 V |
| Driver outside view mirror step light does not lights up (Door locked) | Below 1 V | ||
| 3 - 11 (MR+ - MR-) | - | Driver outside view mirror retract system is not operating | Below 1 V |
| Driver outside view mirror retract system is RETRACT operating | 10 - 14 V | ||
| 4 - 12 (HTR+ - HTR-) | - | Outer mirror defogger switch ON | 10 - 14 V |
| Outer mirror defogger switch OFF | Below 1 V | ||
| 5 - 14 (#VC - #E2) | - | Ignition switch OFF | Below 1 V |
| Ignition switch ON | 10 - 14 V | ||
| 6 - 14 (VSSR - #E2) | - | Vertical direction of mirror position sensor circuit | - |
| 7 - 15 (EC+ - EC-) | - | Electro chromic outer mirror system is operating | 10 - 14 V |
| Electro chromic outer mirror system is not operating | Below 1 V | ||
| 9 - D25-1 (#MHR-GND) | - W-B | Driver outside view mirror is not operating | Below 1 V |
| Driver outside view mirror is operating to UP or RIGHT | Below 1 V | ||
| Driver outside view mirror is operating to LEFT or DOWN | 10 - 14 V | ||
| 10 - D25-1 (#M+R - GND) | - W-B | Driver outside view mirror is not operating | Below 1 V |
| Driver outside view mirror is operating to UP or LEFT | Below 1 V | ||
| Driver outside view mirror is operating to DOWN or RIGHT | 10 - 14 V | ||
| 13 - 14 (HSSR - #E2) | - | Horizontal direction of mirror position sensor circuit | - |