Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting
Hint:
- Use the following procedures to troubleshoot the occupant classification system.
- *: Use the intelligent tester.
- Vehicle brought to workshop
- Passenger airbag on/off indicator check
- Dtc check (present and past dtc)*
- Check for dtcs (see page rs-249 ).
Result 
- Dtc chart
- Repair or replacement
- Dtc clearance (present and past dtcs)*
- Clear the dtcs (see page rs-249).
- Dtc check (present and past dtcs)*
- Check for dtcs (see page rs-249 ).
Result 
- Problem symptoms simulation
- Check the passenger airbag on/off indicator condition (see page rs-246).
Result
- Confirmation test
End
System description
General
The front passenger occupant classification system
judges whether the front passenger seat is occupied
or not in accordance with the seat belt buckle
status; and whether the sea ...
Initialization
Zero point calibration
Notice:
Make sure that the front passenger seat is not
occupied before performing the operation.
Hint:
Perform the zero point calibration and sensitivity check if
any ...
Other materials:
Occupant classification ecu malfunction
Description
Dtc b1795 is recorded when a malfunction is detected in the occupant
classification ecu.
Troubleshoot dtc b1771 first when dtc b1771 and b1795 are output simultaneously.
Wiring diagram
Inspection procedure
Check for dtc
Turn the ignition switch on, and wait ...
On-vehicle inspection
Check accelerator pedal rod
Check the voltage.
Connect the intelligent tester to the dlc3.
Turn the ignition switch on
Turn the intelligent tester on.
Select the menu items: diagnosis /
enhanced obd ii / data list / all /
accel pos #1, accel pos #2.
Operate the acceler ...
Ignition coil
Components
Removal
Disconnect cable from negative battery terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove no. 1 Engine cover (see page es-410)
Remove i ...
