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:

Illumination Circuit
DESCRIPTION Power is supplied to the radio receiver and steering pad switch illumination when the light control switch is in the TAIL or HEAD position. WIRING DIAGRAM INSPECTION PROCEDURE NOTICE: The vehicle is equipped with an SRS (Supplemental Restraint System) which includes compon ...

Reassembly
1. INSTALL FRONT DRIVE SHAFT BEARING (a) Using SST and a press, install a new front drive shaft bearing. SST 09710-30021 (09710-03141), 09527-10011 NOTICE: Bearing should be completely installed. 2. INSTALL FRONT DRIVE SHAFT RH HOLE SNAP RING (a) Using a snap ring expander, install a ...

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working. 2. REMOVE FRONT SEAT ASSEMBLY HINT:  Refer to the instructions for removal of the front seat assembly (for flat type).  Refer to the in ...

В© 2011-2021 Copyright www.tsienna.net