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*1 OR LIGHT*2 - BATTERY AND GROUND)

INSPECT FRONT SEAT INNER BELT ASSEMBLY (BUCKLE SWITCH)

CHECK WIRE HARNESS (INNER BELT - BODY GROUND)

CHECK WIRE HARNESS (INNER BELT - METER*1 OR LIGHT*2)

INSPECT FRONT SEAT INNER BELT ASSEMBLY (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


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 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*1 OR LIGHT*2 - 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. w/ Accessory Meter:

    1. Disconnect the A23 meter connector.

    2. 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
      A23-12 (IG) - Body ground
      		Ignition switch OFF
      		Below 1 V

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

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

  1. w/o Accessory Meter:

    1. Disconnect the P14 light connector.

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

      Standard voltage:
      Tester Connection
      		Condition
      		Specified Condition
      P14-3 - Body ground
      		Ignition switch ON
      		10 to 14 V
      P14-3 - Body ground
      		Ignition switch OFF
      		Below 1 V

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

      Standard resistance:
      Tester Connection
      		Specified Condition
      P14-1 - Body ground
      		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.INSPECT FRONT SEAT INNER BELT ASSEMBLY (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 100 Ω
    1 - 2
    		Seat belt is fastened (OFF)
    		10 kΩ or higher


NG
Go to step 6
OK


4.CHECK WIRE HARNESS (INNER BELT - 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 OR CONNECTOR
OK


5.CHECK WIRE HARNESS (INNER BELT - METER*1 OR LIGHT*2)

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. w/ Accessory Meter:

    1. Disconnect the F12 belt connector.

    2. Disconnect the A23 meter connector.

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

      Standard resistance:
      Tester Connection
      		Specified Condition
      F12-1 - A23-8 (PBEW)
      		Below 1 Ω
      F12-1 - Body ground
      		10 kΩ or higher

  1. w/o Accessory Meter:

    1. Disconnect the F12 belt connector.

    2. Disconnect the P14 light connector.

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

      Standard resistance:
      Tester Connection
      		Specified Condition
      F12-1 - P14-3
      		Below 1 Ω
      F12-1 - Body ground
      		10 kΩ or higher
      Result
      Result
      		Proceed to
      OK (w/ Accessory meter)
      		A
      OK (w/o Accessory meter)
      		B
      NG
      		C


B
REPLACE PASSENGER SEAT BELT WARNING LIGHT ASSEMBLY

C
REPAIR OR REPLACE HARNESS OR CONNECTOR
A

REPLACE ACCESSORY METER ASSEMBLY

6.INSPECT FRONT SEAT INNER BELT ASSEMBLY (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
    1 - 2
    		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 Front Passenger Side)