Terminals Of Ecu

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

CHECK OCCUPANT CLASSIFICATION ECU

Fig 1: Identifying Occupant Classification ECU Terminals

VOLTAGE AND RESISTANCE SPECIFICATION

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
e10-5 (GND) - Body ground	W-B - Body ground	Occupant classification ECU ground line	Always	Below 1
e10-6 (PS) - e10-15 (GPS)	P - V	Pressure sensor signal line	Power switch ON (IG)	Below 1 V
e10-7 (VPS) - e10-5 (GND)	R - W-B	Pressure sensor +B line	Power switch ON (IG)	4 75 to 5 25 V
e10-8 (GBT) - e10-5 (GND)	GR - W-B	Belt tension sensor ground line	Always	Below 1 V
e10-9 (IG) - e10-5 (GND)	L - W-B	Occupant classification ECU +B line	Power switch ON (IG)	11 to 14 V
e10-10 (DIA) - e10-5 (GND)	R - W-B	Diagnosis (DLC3)	Power switch ON (IG)	Pulse generation
e10-11 (FSR+) - e10-12 (FSR-)	W - B	Center airbag sensor communication line	Power switch ON (IG)	Pulse generation
e10-12 (FSR-) - e10-5 (GND)	B - W-B	Center airbag sensor communication line (-)	Always	Below 1 Ω
e10-13 (BSW) - e10-14 (BGND)	W - Y	Passenger side buckle switch line	Power switch ON (IG)	Low 4 to 7 mA Hi 12 to 18 mA
e10-14 (BGND) - e10-5 (GND)	Y - W-B	Passenger side buckle switch ground line	Always	Below 1 Ω
e10-15 (GPS) - e10-5 (GND)	V - W-B	Pressure sensor ground line	Always	Below 1 Ω
e10-16 (BT) - e10-5 (GND)	BR - W-B	Belt tension sensor signal line	Power switch ON (IG)	Below 1 V
e10-17 (VBT) - e10-5 (GND)	G - W-B	Belt tension sensor +B line	Power switch ON (IG)	4 75 to 5 25 V