Toyota RAV4 (XA40) 2013-2018 Service Manual: Front airbag sensor rh circuit malfunction
Description
The front airbag sensor rh consists of the diagnostic circuit, the frontal deceleration sensor, etc.
If the center airbag sensor assembly receives signals from the frontal deceleration sensor, it determines whether or not the srs should be activated.
Dtc b1610/13 is recorded when a malfunction is detected in the front airbag sensor rh circuit.
Wiring diagram
Inspection procedure
- Check front airbag sensor rh
- Turn the ignition switch off.
- Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
- Interchange the front airbag sensor rh and lh, and connect the connectors to them.
- Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
- Turn the ignition switch on, and wait for at least 60 seconds.
- Clear the dtcs (see page rs-49).
- Turn the ignition switch off.
- Turn the ignition switch on, and wait for at least 60 seconds.
- Check the dtcs (see page rs-49).
Result 
Hint:
Dtcs other than dtc b1610/13 and b1615/14 may be output at this time, but they are not related to this check.
Use simulation method to check
Lost communication with front satellite sensor bus lh
Description
The front airbag sensor lh consists of the diagnostic circuit and the frontal
deceleration sensor.
If the center airbag sensor receives signals from the frontal deceleration
se ...
Front airbag sensor lh circuit malfunction
Description
The front airbag sensor lh consists of the diagnostic circuit, the frontal
deceleration sensor, etc.
If the center airbag sensor receives signals from the frontal deceleration
sens ...
Other materials:
Open in occupant classification ecu battery positive line
Description
Dtc b1794 is set when a malfunction is detected in the occupant
classification ecu battery positive line.
Wiring diagram
Inspection procedure
Check for dtc
Turn the ignition switch on.
Clear the dtcs (see page rs-249).
Hint:
First clear dtcs stored in the ...
Dtc check / clear
Check dtc
Connect the intelligent tester (with can vim) to the
dlc3.
Turn the ignition switch on and turn the intelligent
tester on.
Read the dtc by following the prompts on the
tester screen.
Hint:
Refer to the intelligent tester operator's manual for
further details.
...
Trailer tongue weight
A recommended tongue weight varies in accordance with the types
of trailers or towing as described below.
To ensure the recommended values shown below, the trailer must
be loaded by referring to the following instructions.
Tongue weight
The gross trailer weight should be distributed so ...
