Toyota RAV4 (XA40) 2013-2018 Service Manual: Driver side - side airbag sensor circuit malfunction
Description
The side airbag sensor lh consists of part including the diagnostic circuit and the lateral deceleration sensor.
When the center airbag sensor receives signals from the lateral deceleration sensor, it determines whether or not the srs should be activated.
Dtc b1620/21 is set when a malfunction is detected in the side airbag sensor lh circuit.
Wiring diagram
Inspection procedure
- Check side airbag sensor lh
- Turn the ignition switch off.
- Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
- Interchange the side airbag sensor rh and the side airbag sensor 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 
Dtcs other than dtc b1620/21 and b1625/22 may be output at this time, but they are not related to this check.
Use simulation method to check
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 ...
Lost communication with driver side - side airbag sensor assembly
Description
The side airbag sensor lh consists of part including the diagnostic circuit
and the lateral deceleration
sensor.
When the center airbag sensor receives signals from the lateral ...
Other materials:
Data list / active test
Read data list
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 way to save time.
Connect the intelligent tester to the dlc3.
Turn the igni ...
Front seat frame with adjuster
Inspection
Inspect front seat frame with adjuster
Check operation of the seat frame (slide motor).
Check if the seat frame moves smoothly when
the battery is connected to the slide motor
connector terminals.
Ok
If the result is not as specified, replace the seat
frame w ...
List of storage features
Glove box
Bottle holders
Console box
Cup holders
Storage boxes
Caution
Items that should not be left in the storage spaces
Do not leave glasses, lighters or spray cans in the storage spaces, as
this
may cause the following when cabin temperature becomes high:
Glasses may b ...
