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 occupant classification sensor lh circuit malfunction
Description
The rear occupant classification sensor lh circuit consists of the occupant
classification ecu and the rear
occupant classification sensor lh.
Dtc b1782 is recorded when a malfunction is detected in the rear occupant
classification sensor lh
circuit.
Wiring diagram
...
Brake switch "A" / "B" correlation
Description
The stop light switch is a duplex system that transmits two signals: stp and
st1-. These two signals are
used by the ecm to monitor whether or not the brake system is working properly.
If the signals, which
indicate the brake pedal is being depressed and released, are detected ...
Diagnosis system
Description
Air conditioning system data and the diagnostic
trouble codes (dtcs) can be read through the
data link connector 3 (dlc3) of the vehicle. When
the system seems to be malfunctioning, use the
intelligent tester to check for malfunctions and
perform troubleshooting.
...
