Toyota RAV4 manuals

Toyota Sienna Service Manual: Driver Side Seat Belt Warning Light does not Operate

Toyota Sienna Service Manual / Meter / Meter / gauge system / On-vehicle inspection / Driver Side Seat Belt Warning Light does not Operate

DESCRIPTION

When turning the ignition switch to the ON position, the combination meter assembly communicates with the supplemental restraint system by the multiplex communication system. Unless the driver side seat belt is fastened, the combination meter assembly will turn on the seat belt warning light for driver side. If the driver side seat belt is fastened, then the combination meter assembly will turn off the driver side seat belt warning light.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK MULTIPLEX COMMUNICATION SYSTEM

  1. Check if the MULTIPLEX communication DTC is output

Result

Result

2 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Connect the intelligent tester to the DLC3.
  2.  Turn the ignition switch to the ON position.
  3.  Enter the following menus: DIAGNOSIS / OBD/MOBD / METER / ACTIVE TEST.
  4.  Check the operation by referring to the value(s) in the table below.

METER:

METER

OK: Warning light condition (ON/OFF) can be switched by "ACTIVE TEST".

3 CHECK DTC

  1. Check if DTC B0126 is output

Result

Result

REPLACE CENTER AIR BAG SENSOR ASSEMBLY

Engine Coolant Temperature Receiver Gauge Malfunction
DESCRIPTION The meter CPU receives engine coolant temperature signals from the ECM via the multiplex communication lines. The meter CPU displays engine coolant temperature that is calculated bas ...

Operating Light Control Rheostat does not Change Light Brightness
DESCRIPTION The meter CPU receives signals for adjusting illumination on the meter from this circuit. The meter CPU detects the illumination level selected by the user according to the position of ...

Other materials:

Unlocking and locking the doors from the outside
Entry function (vehicles with a smart key system) Carry the electronic key to enable this function. Grip the driver’s door handle to unlock the door. Grip the passenger’s door handle to unlock all the doors.* Make sure to touch the sensor on the back of the handle. The doors ...

Reassembly
1. INSTALL UNDERDRIVE CLUTCH DRUM O-RING (a) Coat a new O-ring with ATF, and install it to the underdrive clutch drum. NOTICE: Make sure that the O-ring is not twisted or pinched. 2. INSTALL UNDERDRIVE CLUTCH PISTON SET (a) Coat the underdrive clutch piston with ATF, and install it t ...

Screen Flicker or Color Distortion
INSPECTION PROCEDURE 1 CHECK DISPLAY SETTING Enter the display adjustment screen by pressing the "DISPLAY" switch.  Reset display settings (contrast, brightness) and check that the screen appears normal Press the "INFO" switch and then select "S ...

© 2011-2019 Copyright www.tsienna.net