Terminals Of Ecu [07/2015 - 03/2017]
WARNING: This page is about a different car, the 2018 Toyota Yaris, 2017 Toyota Yaris, and 2016 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK OCCUPANT CLASSIFICATION ECU STANDARD
Terminal No. Wiring Color Terminal Description Condition Specified Condition X4-1 - X4-3 W - W-B Battery Always 11 to 14 V X4-2 - X4-3 GR - W-B Diagnosis (DLC3) Ignition switch ON, Techstream not connected to DLC3 Below 1 V X4-3 - Body ground W-B - Body ground Ground Always Below 1 Ω X4-4 - X4-3 LG - W-B Airbag sensor assembly communication ground line Always Below 1 Ω X4-5 - X4-3 P - W-B Passenger side buckle switch ground line Always Below 1 Ω X4-6 - X4-3 B - W-B Power source Ignition switch ON 11 to 14 V X4-7 - X4-4 L - LG Airbag sensor assembly communication line Ignition switch ON Pulse generation X4-8 - X4-5 G - P Passenger side buckle switch line Always Pulse generation X3-1 - X3-5 GR - W Rear occupant classification sensor LH power supply line Ignition switch ON 4.9 to 5.1 V X3-2 - X3-6 V - BR Rear occupant classification sensor RH power supply line Ignition switch ON 4.9 to 5.1 V X3-3 - X3-5 SB - W Rear occupant classification sensor LH signal line Ignition switch ON Pulse generation X3-4 - X3-6 B - BR Rear occupant classification sensor RH signal line Ignition switch ON Pulse generation X3-5 - X4-3 W - W-B Rear occupant classification sensor LH ground line Always Below 1 Ω X3-6 - X4-3 BR - W-B Rear occupant classification sensor RH ground line Always Below 1 Ω