Toyota RAV4 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:
Fog light assembly
Components
Removal
Hint:
Use the same procedures for the rh and lh sides.
The procedures listed below are for the lh side.
Disconnect cable from negative battery terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
...
Check for intermittent problems
Hint:
Inspect the vehicle's ecm using check mode. Intermittent
problems are easier to detect with the intelligent tester when
the ecm is in check mode. In check mode, the ecm uses 1
trip detection logic, which is more sensitive to malfunctions
than normal mode (default), which uses 2 trip detec ...
Handling of hose clamps
Before removing the hose, check the clamp position
so that it can be reinstalled in the same position.
Replace any deformed or dented clamps with new
ones.
When reusing a hose, attach the clamp on the
clamp track portion of the hose.
For a spring type clamp, you may want to spread ...