Toyota RAV4 manuals

Toyota Sienna Service Manual: Open in Front Pretensioner Squib RH Circuit

DTC B0131/64 Open in Front Pretensioner Squib RH Circuit

DESCRIPTION

The front pretensioner squib RH circuit consists of the center airbag sensor assembly and the front seat outer belt assembly RH.

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

DTC B0131/64 is recorded when an open circuit is detected in the front pretensioner squib RH circuit.

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:

1 CHECK FRONT SEAT OUTER BELT ASSEMBLY RH (FRONT PRETENSIONER SQUIB RH)

CHECK FRONT SEAT OUTER BELT ASSEMBLY RH

  1. Turn the ignition switch to the LOCK position.
  2.  Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
  3.  Disconnect the connectors from the front seat outer belt assembly RH.
  4.  Connect the white wire side of SST (resistance 2.1 Ω) to the floor wire No. 2.

CAUTION: Never connect a tester to the front seat outer belt assembly RH (front pretensioner squib RH) for measurement, as this may lead to a serious injury due to airbag deployment.

NOTICE: Do not forcibly insert the SST into the terminals of the connector when connecting.

Insert the SST straight into the terminals of the connector.

SST 09843-18060

  1.  Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
  2.  Turn the ignition switch to the ON position, and wait for at least 60 seconds.
  3.  Clear the DTCs stored in memory.
  4.  Turn the ignition switch to the LOCK position.
  5.  Turn the ignition switch to the ON position, and wait for at least 60 seconds.
  6.  Check the DTCs

OK: DTC B0131/64 is not output.

HINT: Codes other than DTC B0131/64 may be output at this time, but they are not related to this check.

REPLACE FRONT SEAT OUTER BELT ASSEMBLY RH

2 CHECK FLOOR WIRE NO.2 (FRONT PRETENSIONER SQUIB RH CIRCUIT)

CHECK FLOOR WIRE NO.2

  1. Turn the ignition switch to the LOCK position.
  2.  Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
  3.  Disconnect the SST (resistance 2.1 Ω) from the floor wire No. 2.
  4.  Disconnect the connector from the center airbag sensor assembly.
  5.  Measure the resistance according to the value(s) in the table below.

Standard resistance

3 CHECK CENTER AIRBAG SENSOR ASSEMBLY

CHECK CENTER AIRBAG SENSOR ASSEMBLY

  1. Connect the connectors to the front seat outer belt assembly RH and the center airbag sensor assembly.
  2.  Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
  3.  Turn the ignition switch to the ON position, and wait for at least 60 seconds.
  4.  Clear the DTCs stored in memory.
  5.  Turn the ignition switch to the LOCK position.
  6.  Turn the ignition switch to the ON position, and wait for at least 60 seconds.
  7.  Check the DTCs.

OK: DTC B0131/64 is not output.

HINT: Codes other than code B0131/64 may be output at this time, but they are not related to this check.

USE SIMULATION METHOD TO CHECK

Short in Front Pretensioner Squib RH Circuit
DTC B0130/63 Short in Front Pretensioner Squib RH Circuit DESCRIPTION The front pretensioner squib RH circuit consists of the center airbag sensor assembly and the front seat outer belt assembly ...

Short to GND in Front Pretensioner Squib RH Circuit
DTC B0132/61 Short to GND in Front Pretensioner Squib RH Circuit DESCRIPTION The front pretensioner squib RH circuit consists of the center airbag sensor assembly and the front seat outer belt a ...

Other materials:

No. 1 Speaker with box
COMPONENTS ON-VEHICLE INSPECTION 1. INSPECT NO.1 SPEAKER WITH BOX HINT: Remove interior parts so that the No.1 speaker with box can be seen.  Check the speaker installation. OK: The speaker is securely installed. If the result is not as specified, reinstall the No.1 s ...

Diagnostic trouble code chart
If a DTC is displayed during the DTC check, check the parts listed in the table below and proceed to the page given. HINT: *1: Comes on MIL (Malfunction Indicator Lamp) light up *2: "DTC stored" mark means ECM memorizes the malfunction code if the ECM detects the DTC detection ...

Door control switch
INSPECTION 1. INSPECT DOOR CONTROL SWITCH ASSEMBLY  Measure the resistance according to the value(s) in the table below. Standard resistance HINT: If the result is not as specified, replace the switch. ...

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