Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM000001OQM009X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION SYSTEM: TERMINALS OF ECU; 2007 MY LX470 [08/2006 -        ]

TERMINALS OF ECU

1. CHECK OCCUPANT CLASSIFICATION ECU

(a) Measure the voltage and current of the connector.

Terminal No. (Symbols)

Wiring Color

Terminal Description

Condition

Specified Condition

O5-3 (GSP) - O5-5 (GND)

L-W - BR

Seat position sensor (for front passenger side) ground line

Always

Below 1 V

O5-4 (SP) - O5-3 (GSP)

R-W - L-W

Seat position sensor (for front passenger side) signal line

Ignition switch ON

Low: 4.7 to 7.3 mA

Hi: 11.4 to 17.9 mA

O5-5 (GND) - Body ground

BR - Body ground

Occupant classification ECU ground line

Always

Below 1 V

O5-6 (PS) - O5-15 (GPS)

GR - B

Pressure sensor signal line

Ignition switch ON

0.6 to 4.9 V

O5-7 (VPS) - O5-5 (GND)

V - BR

Pressure sensor +B line

Ignition switch ON

4.75 to 5.25 V

O5-8 (GBT) - O5-5 (GND)

GR-B - BR

Belt tension sensor ground line

Always

Below 1 V

O5-9 (IG) - O5-5 (GND)

B-R - BR

Occupant classification ECU +B line

Ignition switch ON

10 to 14 V

O5-10 (DIA) - O5-5 (GND)

V-W - BR

Diagnosis (DLC3)

Ignition switch ON

Pulse generation

O5-11 (FSR+) - O5-12 (FSR-)

G-R - G-B

Center airbag sensor communication line

Ignition switch ON

Pulse generation

O5-12 (FSR-) - O5-5 (GND)

G-B - BR

Center airbag sensor communication line (-)

Always

Below 1 V

O5-13 (BSW) - O5-14 (BGND)

G - B-W

Passenger side buckle switch line

Ignition switch ON

Low: 4 to 7 mA

Hi: 12 to 18 mA

O5-14 (BGND) - O5-5 (GND)

B-W - BR

Passenger side buckle switch ground line

Always

Below 1 V

O5-15 (GPS) - O5-5 (GND)

B - BR

Pressure sensor ground line

Always

Below 1 V

O5-16 (BT) - O5-5 (GND)

B-W - BR

Belt tension sensor signal line

Ignition switch ON

0.75 to 4.25 V

O5-17 (VBT) - O5-5 (GND)

V-W - BR

Belt tension sensor +B line

Ignition switch ON

10 to 14 V