Toyota RAV4 manuals

Toyota RAV4 Service Manual: Short in driver side squib 2nd step circuit

Toyota RAV4. Short in driver side squib 2nd step circuit


Description

The driver side squib 2nd step circuit consists of the center airbag sensor, the spiral cable and the steering pad.

The circuit instructs the srs to deploy when the deployment conditions are met.

These dtcs are recorded when a malfunction is detected in the driver side squib 2nd step circuit.

Toyota RAV4. Short in driver side squib 2nd step circuit


Wiring diagram

Toyota RAV4. Short in driver side squib 2nd step circuit


Inspection procedure

Hint:

  1. Check steering pad (driver side squib 2nd step)

Toyota RAV4. Check steering pad (driver side squib 2nd step)


  1. Turn the ignition switch off.
  2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
  3. Disconnect the connectors from the steering pad.
  4. Connect the white wire side of sst to the spiral cable connector e.

Caution:

Never connect a tester to the steering pad (driver side squib 2nd step) for measurement, as this may lead to a serious injury due to airbag deployment.

Notice:

Sst 09843-18060

  1. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
  2. Turn the ignition switch on, and wait for at least 60 seconds.
  3. Clear the dtcs (see page rs-49).
  4. Turn the ignition switch off.
  5. Turn the ignition switch on, and wait for at least 60 seconds
  6. Check the dtcs (see page rs-49).

Ok: dtc b1810, b1811, b1812, b1813 or 53 is not output.

Hint:

Dtcs other than dtc b1810, b1811, b1812, b1813 or 53 may be output at this time, but they are not related to this check.


  1. Check connector

  1. Turn the ignition switch off.
  2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
  3. Disconnect sst from the spiral cable.
  4. Check that the spiral cable connector (on the steering pad side) is not damaged.

Ok: lock button is not disengaged, and claw of lock is not deformed or damaged.


  1. Check driver side squib 2nd step circuit

Toyota RAV4. Check driver side squib 2nd step circuit


  1. Disconnect the connector from the center airbag sensor.
  2. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
  3. Turn the ignition switch on.
  4. Measure the voltage of the wire harness side connector.

Standard voltage


  1. Turn the ignition switch off.
  2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
  3. Measure the resistance of the wire harness side connector.

Standard resistance


  1. Release the activation prevention mechanism built into connector b (see page rs-37).
  2. Measure the resistance of the wire harness side connector.

Standard resistance




  1. Check instrument panel wire

Toyota RAV4. Check instrument panel wire


  1. Restore the released activation prevention mechanism of connector b to its original position.
  2. Disconnect the instrument panel wire connector from the spiral cable.
  3. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
  4. Turn the ignition switch on.
  5. Measure the voltage of the wire harness side connector.

Standard voltage


  1. Turn the ignition switch off.
  2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
  3. Measure the resistance of the wire harness side connector.

Standard resistance


  1. Release the activation prevention mechanism built into connector b (see page rs-37).
  2. Measure the resistance of the wire harness side connector.

Standard resistance




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