Meter / Gauge System Seat Belt Warning Light For Passenger Seat Does Not Flash


WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FUSE (ECU-IG & GAUGE)

CHECK WIRE HARNESS (METER - BATTERY AND GROUND)

INSPECT FRONT SEAT INNER BELT ASSEMBLY LH (BUCKLE SWITCH)

CHECK WIRE HARNESS (INNER BELT LH - BODY GROUND)

CHECK WIRE HARNESS (INNER BELT LH - METER)

INSPECT FRONT SEAT INNER BELT ASSEMBLY LH (OCCUPANT DETECTION SENSOR)

METER / GAUGE SYSTEM - Seat Belt Warning Light for Passenger Seat does not Flash


WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Meter.Meter / Gauge System.Meter / Gauge System Seat Belt Warning Light For Passenger Seat Does Not Flash


INSPECTION PROCEDURE

1.INSPECT FUSE (ECU-IG & GAUGE)

  1. Remove the ECU-IG & GAUGE fuse from the instrument panel junction block (driver side junction block).

  1. Measure the resistance of the fuse.

    Standard resistance:
    Below 1 Ω


NG
REPLACE FUSE
OK


2.CHECK WIRE HARNESS (METER - BATTERY AND GROUND)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Meter.Meter / Gauge System.Meter / Gauge System Seat Belt Warning Light For Passenger Seat Does Not Flash

  1. Disconnect the A23 meter connector.

  1. Measure the voltage of the wire harness side connector.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    A23-12 (IG) - Body ground
    		Ignition switch ON
    		10 to 14 V
    Ignition switch OFF
    		Below 1 V

  1. Measure the resistance of the wire harness side connector.

    Standard resistance:
    Tester Connection
    		Specified Condition
    A23-1 (GND1) - Body ground
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


3.INSPECT FRONT SEAT INNER BELT ASSEMBLY LH (BUCKLE SWITCH)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Meter.Meter / Gauge System.Meter / Gauge System Seat Belt Warning Light For Passenger Seat Does Not Flash

  1. Disconnect the F12 belt connector.

  1. Measure the resistance of the buckle switch.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    1 - 2
    		Seat belt is unfastened (ON) and apply more than 147 N (15 kgf, 22 lbf) of force to occupant detection sensor
    		Below 1 Ω
    Seat belt is fastened (OFF)
    		10 kΩ or higher


NG
Go to step 6
OK


4.CHECK WIRE HARNESS (INNER BELT LH - BODY GROUND)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Meter.Meter / Gauge System.Meter / Gauge System Seat Belt Warning Light For Passenger Seat Does Not Flash

  1. Disconnect the F12 belt connector.

  1. Measure the resistance of the wire harness side connector.

    Standard resistance:
    Tester Connection
    		Specified Condition
    F12-2 - Body ground
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


5.CHECK WIRE HARNESS (INNER BELT LH - METER)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Meter.Meter / Gauge System.Meter / Gauge System Seat Belt Warning Light For Passenger Seat Does Not Flash

  1. Disconnect the F12 belt connector.

  1. Disconnect the A23 meter connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    Tester Connection
    		Specified Condition
    F12-1 - A23-8 (PBEW)
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

REPLACE ACCESSORY METER ASSEMBLY (MULTI-DISPLAY)

6.INSPECT FRONT SEAT INNER BELT ASSEMBLY LH (OCCUPANT DETECTION SENSOR)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Meter.Meter / Gauge System.Meter / Gauge System Seat Belt Warning Light For Passenger Seat Does Not Flash

  1. Disconnect the A sensor connector.

  1. Measure the resistance of the sensor.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    1 - 2
    		Apply more than 147 N (15 kgf, 22 lbf) of force to occupant detection sensor
    		Below 100 Ω
    No force applied to occupant detection sensor
    		1 MΩ or higher


NG
REPLACE FRONT SEAT CUSHION PAD
OK

REPLACE FRONT SEAT INNER BELT ASSEMBLY (FOR PASSENGER SIDE)