Terminals Of Ecu
WARNING: This page is about a different car, the 2009 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- OCCUPANT CLASSIFICATION ECU
VOLTAGE SPECIFICATION
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition | ||||
|---|---|---|---|---|---|---|---|---|
| R2-3 (GSP) - R2-5 (GND) | Y - W-B (1) | Seat position sensor (for front passenger side) ground line | Always | Below 1 Ω | ||||
| BE - W-B (2) | ||||||||
| R2-4 (SP) - R2-5 (GND) | B-W-B (1) | Seat position sensor (for front passenger side) ground line | Always | Low: 5.0 to 6.9 mA Hi: 12 to 17 mA |
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| V-W-B (2) | ||||||||
| R2-5 (GND) - Body ground | W-B - Body ground | Occupant classification ECU ground line | Always | Below 1 V | ||||
| R2-6 (PS) - R2-15 (GPS) | R - Y (1) | Pressure sensor signal line | Ignition switch ON | Below 1 V | ||||
| W-GR (2) | ||||||||
| R2-7 (VPS) - R2-5 (GND) | W-W-B (1) | Pressure sensor +B line | Ignition switch ON | 4.75 to 5.25 V | ||||
| LG - W-B (2) | ||||||||
| R2-8 (GBT) - R2-5 (GND) | Y - W-B | Belt tension sensor ground line | Always | Below 1 V | ||||
| R2-9 (IG) - R2-5 (GND) | B - W-B | Occupant classification ECU +B line | Ignition switch ON | 10 to 14 V | ||||
| R2-10 (DIA) - R2-5 (GND) | W - W-B | Diagnosis (DLC3) | Ignition switch ON | Pulse generation | ||||
| R2-11 (FSR+) - R2-12 (FSR-) | W - B | Center airbag sensor assembly communication line | Ignition switch ON | Pulse generation | ||||
| R2-12 (FSR-) - R2-5 (GND) | B - W-B | Center airbag sensor assembly communication line (-) | Always | Below 1 V | ||||
| R2-13 (BSW) - R2-14 (BGND) | G - W-B (1) | Passenger side buckle switch line | Ignition switch ON | Low: 4 to 7 mA Hi: 12 to 18 mA |
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| G - P (2) | ||||||||
| R2-14 (BGND) - R2-5 (GND) | W-B - W-B (1) | Passenger side buckle switch ground line | Always | Below 1 V | ||||
| P - W-B (2) | ||||||||
| R2-15 (GPS) - R2-5 (GND) | Y - W-B (1) | Pressure sensor ground line | Always | Below 1 V | ||||
| GR - W-B (2) | ||||||||
| R2-16 (BT) - R2-5 (GND) | R - W-B | Belt tension sensor signal line | Ignition switch ON | 0 to 5 V | ||||
| R2-17 (VBT) - R2-5 (GND) | G - W-B | Belt tension sensor +B line | Ignition switch ON | 4.75 to 5.25 V | ||||
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