Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting
Hint:
- Use these procedures to troubleshoot the seat belt warning system.
- *: Use the intelligent tester.
- Vehicle brought to workshop
- Inspect battery voltage
Standard voltage: 11 to 14 v
If the voltage is below 11 v, recharge or replace the battery before proceeding.
- Check function of airbag system*
- Use the intelligent tester to check if the airbag system is functioning normally.
Result 
- Check function of occupant classification system*
- Use the intelligent tester to check if the occupant classification system is functioning normally.
Result 
- Check communication function of can communication system (can)*
- Use the intelligent tester to check if the can communication system (can) is functioning normally.
Result 
- Problem symptoms table
Result 
- Overall analysis and troubleshooting*
- Data list / active test (see page sb-10)
- Terminals of ecu (see page sb-7)
- On-vehicle inspection (see page sb-10)
- Repair or replace
- Confirmation test
End
System description
Driver seat belt warning light
When the driver seat belt is not fastened with the
ignition switch on, the driver seat belt warning light
on the combination meter comes on to inform the
...
Operation check
Inspect driver side seat belt warning light
Turn the ignition switch on.
When the driver seat belt is not fastened, check that
the driver seat belt warning light on the combination
mete ...
Other materials:
Rear view monitor
system
The rear view monitor system assists the driver by displaying an
image of the view behind the vehicle and fixation guide lines
while backing up, for example while parking.
The screen illustrations used in this text are intended as examples,
and may differ from the image that is actually displaye ...
Occupant classification sensor power supply circuit malfunction
Description
The occupant classification sensor power supply circuit consists of the
occupant classification ecu and
the occupant classification sensors.
Dtc b1793 is recorded when a malfunction is detected in the occupant
classification sensor power
supply circuit.
Wiring diagram
...
Lost communication with front passenger side - side airbag sensor assembly
Description
The side airbag sensor rh consists of parts including the diagnostic circuit
and the lateral deceleration
sensor.
When the center airbag sensor receives signals from the lateral deceleration
sensor, it determines
whether or not the srs should be activated.
Dtc b1627/82 i ...
