Terminals Of Ecu

CHECK NO. 1 METER ECU

Fig 1: Identifying ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in the table below.

NO. 1 METER ECU

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
L10-2(PBLT)-Body ground	SB - Body ground	Passenger seat belt signal	Passenger seat is occupied, seat belt is fastened	Below 1 Ω
L10-2(PBLT)-Body ground	SB - Body ground	Passenger seat belt signal	Passenger seat is occupied, seat belt is unfastened	10 kΩ or higher

If the result is not as specified, the ECU may have a malfunction.

CHECK INTEGRATION CONTROL AND PANEL (w/o Multi-display)

Measure the resistance according to the value(s) in the table below.

INTEGRATION CONTROL AND PANEL (W/O MULTI-DISPLAY)

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
L35-21 (PBEW) - Body ground	SB - Body ground	Passenger seat belt signal	Passenger seat is occupied, seat belt is fastened	Below 1 Ω
L35-21 (PBEW) - Body ground	SB - Body ground	Passenger seat belt signal	Passenger seat is occupied, seat belt is unfastened	10 kΩ or higher

Fig 2: Identifying Integration Control And Panel Connector Terminal (W/O Multi-Display)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, the panel may have a malfunction.

CHECK MULTI-DISPLAY (w/ Multi-display)

Measure the resistance according to the value(s) in the table below.

MULTI-DISPLAY (W/ MULTI-DISPLAY)

Terminal No. (Symbols)	Wiring Color	Terminal Description	Condition	Specified Condition
L59-21 (PBEW) - Body ground	SB - Body ground	Passenger seat belt signal	Passenger seat is occupied, seat belt is fastened	Below 1 Ω
L59-21 (PBEW) - Body ground	SB - Body ground	Passenger seat belt signal	Passenger seat is occupied, seat belt is unfastened	10 kΩ or higher

Fig 3: Identifying Integration Control And Panel Connector Terminal Multi-Display (W/ Multi-Display)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, the display may have a malfunction.

CENTER AIRBAG SENSOR

Terminal No.	Terminal Symbol	Destination
S8-10	LBE+	Front seat inner belt LH (Seat belt buckle switch LH)
R5-16	FSR+	Occupant classification ECU
R5-22	FSR-	Occupant classification ECU

Fig 4: Identifying Center Airbag Sensor Connector Terminal

CHECK OCCUPANT CLASSIFICATION ECU

Fig 5: Identifying ECU Connector Terminal

OCCUPANT CLASSIFICATION ECU

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 Ω
e10-6(PS)-e10-15(GPS)	P-V	Pressure sensor signal line	Engine switch on (IG)	Below 1 V
e10-7(VPS)-e10-5 (GND)	R-W-B	Pressure sensor +B line	Engine 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	Engine switch on (IG)	11 to 14 V
e10-10(DIA)-e10-5 (GND)	R-W-B	Diagnosis (DLC3)	Engine switch on (IG)	Pulse generation
e10-11 (FSR+)-e10-12 (FSR-)	W-B	Center airbag sensor communication line	Engine 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	Engine 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	Engine switch on (IG)	Below 1 V
e10-17(VBT)-e10-5 (GND)	G-W-B	Belt tension sensor +B line	Engine switch on (IG)	4.75 to 5.25 V