Toyota RAV4 (XA40) 2013-2018 Service Manual: Diagnostic trouble code chart
If a trouble code is displayed during the dtc check, check the circuit listed for the code in the table below (proceed to the page listed for that circuit).
- Passenger side buckle switch circuit malfunction
- Front occupant classification sensor lh circuit malfunction
- Front occupant classification sensor rh circuit malfunction
- Rear occupant classification sensor lh circuit malfunction
- Rear occupant classification sensor rh circuit malfunction
- Front occupant classification sensor lh collision detection
- Front occupant classification sensor rh collision detection
- Rear occupant classification sensor lh collision detection
- Rear occupant classification sensor rh collision detection
- Center airbag sensor assembly communication circuit malfunction
- Occupant classification sensor power supply circuit malfunction
- Open in occupant classification ecu battery positive line
- Occupant classification ecu malfunction
- Sleep operation failure of occupant classification ecu
- Trouble in passenger airbag on / off indicator
Data list / active test
Hint:
Using the intelligent tester's data list allows switch, sensor,
actuator and other item values to be read without removing
any parts. Reading the data list early in troubleshooting is
one wa ...
Passenger side buckle switch circuit malfunction
Description
The passenger side buckle switch circuit consists of the occupant
classification ecu and the front seat
inner belt rh.
Dtc b1771 is recorded when a malfunction is detected in th ...
Other materials:
Blower unit
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 upper instrument panel
Remove the upper ...
Inspection
Inspect cylinder block for warpage
Using a precision straightedge and feeler gauge,
measure the warpage of the surface that is in
contact with the cylinder head gasket.
Maximum warpage:
0.05 Mm (0.0020 In.)
If the warpage is greater than the maximum, replace
the cylinder block ...
On-vehicle inspection
Check front seat side airbag assembly (vehicle not involved in
collision)
Perform a diagnostic system check (see page rs-
49).
With the front seat side airbag installed on the
vehicle, perform a visual check. If any of the defects
mentioned below are present, replace the fron ...
