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
| Symbols (Terminals No.) | Wiring Color | Condition | STD Voltage (V) |
|---|---|---|---|
| T5-1 - T5-20 (+B1 - E) | V-Y - W-B | Constant | 10 - 14 V |
| T5-3 - T5-20 (IND - E) | R - W-B | Security indicator light lights up. (It lights up only for 30 sec. in arming mode. It flash when the immobilizer system is operating.) | 3 - 6 V |
| Security indicator light does not lights up. | Below 1 V | ||
| T5-4 - T5-5 (BZR - BZR2) | V-G - W-L | Wireless door lock buzzer is sounding (Door lock operating using wireless transmitter) | 10 - 14 V |
| Wireless door lock buzzer is not sounding | Below 1 V | ||
| T5-11 - T5-23 (BZR3 - BZRG) | O - GR-R | Wireless door lock buzzer is not sounding | Below 1 V |
| Wireless door lock buzzer is sounding | 10 - 14 V | ||
| T5-13 (MPX1) | P-L | Multiplex communication circuit | - |
| T5-15 - T5-20 (RCO - E) | BR-W - W-B | Wireless door lock system is operating | Below 1 V |
| Wireless door lock system is not operating | 10 - 14 V | ||
| T5-20 - Body ground (E - Body ground) | W-B - Body ground | Constant | Below 1 V |
| T5-21 - T5-20 (+B2 - E) | G-W - W-B | Constant | 10 - 14 V |
| T5-22 - T5-20 (SH -- E) | W - W-B | Theft deterrent horn is sounding. (Theft deterrent system is arming mode) | 10 - 14 V |
| Theft deterrent horn is not sounding. | Below 1 V | ||
| T5-24 - T5-20 (IG - E) | R-L - W-B | Ignition switch ON | 10 - 14 V |
| T5-29 - T5-20 (RDA - E) | BR-R - W-B | Wireless door lock system is operating | Below 1 V |
| Wireless door lock system is not operating | 10 - 14 V | ||
| T5-30 - T5-20 (RSSI - E) | G - W-B | Wireless door lock system is operating | Below 1 V |
| Wireless door lock system is not operating | 10 - 14 V | ||
| T5-31 - T5-20 (ACC - E) | GR - W-B | Ignition switch ACC | 10 - 14 V |
| T5-33 (MPX2) | P-L | Multiplex communication circuit | - |