Toyota RAV4 manuals

Toyota RAV4 Service Manual: Short in front driver side pretensioner squib circuit

Toyota RAV4 Service Manual / Supplemental restraint system / Airbag system / Diagnostic trouble code chart / Short in front driver side pretensioner squib circuit

Toyota RAV4. Short in front driver side pretensioner squib circuit


Description

The driver side front pretensioner squib circuit consists of the center airbag sensor and the front seat outer belt lh.

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

These dtcs are recorded when a malfunction is detected in the front pretensioner squib circuit.

Toyota RAV4. Short in front driver side pretensioner squib circuit


Wiring diagram

Toyota RAV4. Short in front driver side pretensioner squib circuit


Inspection procedure

Hint:

  1. Check front seat outer belt assembly lh (driver side front pretensioner squib)

Toyota RAV4. Check front seat outer belt assembly lh (driver side front pretensioner squib)


  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 front seat outer belt lh.
  4. Connect the white wire side of sst to connector c.

Caution:

Never connect a tester to the front seat outer belt lh (driver side front pretensioner squib) 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 b1900, b1901, b1902, b1903 or 73 is not output.

Hint:

Dtcs other than dtc b1900, b1901, b1902, b1903 or 73 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 connector c.
  4. Check that the floor wire connector (on the driver side front seat outer belt) is not damaged.

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


  1. Check floor wire (driver side front pretensioner squib circuit)

Toyota RAV4. Check floor wire (driver side front pretensioner squib 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. 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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