Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Driver side - side airbag sensor circuit malfunction

Toyota RAV4. 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.

Toyota RAV4. Driver side - side airbag sensor circuit malfunction


Wiring diagram

Toyota RAV4. Driver side - side airbag sensor circuit malfunction


Inspection procedure

  1. Check side airbag sensor lh

Toyota RAV4. Check side airbag sensor lh


  1. Turn the ignition switch off.
  2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
  3. Interchange the side airbag sensor rh and the side airbag sensor lh, and connect the connectors to them.
  4. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
  5. Turn the ignition switch on, and wait for at least 60 seconds.
  6. Clear the dtcs (see page rs-49).
  7. Turn the ignition switch off.
  8. Turn the ignition switch on, and wait for at least 60 seconds.
  9. 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:

Installation
Install camshaft timing oil control valve assembly Apply a light coat of engine oil to the o-ring of the oil control valve. Install the oil control valve with the bolt. Torque: 9.0 N*m (92 kgf*cm, 80 in.*Lbf) Notice: Make sure that the o-ring is not cracked or jammed. Co ...

Driving position memory
This feature automatically adjusts the driver's seat to suit your preferences. Your preferred driving position (the position of the driver's seat) can be recorded and recalled by pressing a button. Two different driving positions can be recorded into memory. Each electronic key can be registered ...

Intake air temperature sensor gradient too high
Description The intake air temperature (iat) sensor, mounted on the mass air flow (maf) meter, monitors the iat. The iat sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the iat is low, the resistance of the thermist ...

В© 2011-2025 Copyright www.trav4.net