Toyota RAV4 (XA40) 2013-2018 Service Manual: Center airbag sensor assembly malfunction
Description
The center airbag sensor consists of the airbag sensor, the safing sensor, the drive circuit, the diagnosis circuit and the ignition control.
If the center airbag sensor receives signals from the airbag sensor, it determines whether or not the srs should be activated.
Dtc b1000/31 is recorded when a malfunction is detected in the center airbag sensor.
Hint:
When a malfunction code is displayed simultaneously with dtc b1000/31, repair the malfunction indicated by this code (except dtc b1000/31) first.
Inspection procedure
- Check center airbag sensor assembly
- Turn the ignition switch off.
- Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
- 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).
Ok: dtc b1000/31 is not output.
Use simulation method to check
Diagnostic trouble code chart
If a dtc is displayed during the dtc check, check the circuit
listed for the dtc in the table below (refer to the appropriate
page).
Hint:
When the srs warning light remains on and the normal
...
Lost communication with front satellite sensor bus rh
Description
The front airbag sensor rh consists of the diagnostic circuit and the frontal
deceleration sensor.
If the center airbag sensor receives signals from the frontal deceleration
se ...
Other materials:
Removal
Remove radiator support opening cover
Remove front wheel rh
Remove front fender apron rh
Remove front suspension member
reinforcement rh
Remove the 4 bolts and reinforcement rh.
Remove fan and generator v belt
Using sst and 19 mm socket wrench, loosen the vribbed
belt ...
Underdrive clutch
Components
Disassembly
Inspect pack clearance of underdrive
clutch (see page ax-247)
Remove no. 1 Underdrive clutch disc
Using a screwdriver, pry out the underdrive clutch
flange snap ring.
Remove the flange, 3 discs and 3 plates from the
underdrive clutch drum.
In ...
Customize parameters
Customizing function with intelligent
tester (reference)
Hint:
The following item can be customized.
Notice:
When the customer requests a change in a
function, first make sure that the function can be
customized.
Make a note of the current settings before
customizing.
When tr ...
