Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

Toyota Sienna Service Manual: Short to B+ in Front Pretensioner Squib RH Circuit

DTC B0133/62 Short to B+ 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 B0133/62 is recorded when a short to B+ is detected in the front pretensioner squib RH circuit.

DTC No.

DTC Detecting Condition

Trouble Area

B0133/62
  • Short circuit in front pretensioner squib RH wire harness (to B+)
  • Front pretensioner squib RH malfunction
  • Center airbag sensor assembly malfunction
  • Front seat outer belt assembly RH (Front pretensioner squib RH)
  • Center airbag sensor assembly
  • Floor wire No. 2

INSPECTION PROCEDURE

HINT:

  • Perform the simulation method by selecting the "check mode" (signal check) with the intelligent tester (8).
  • After selecting the "check mode" (signal check), perform the simulation method by wiggling each connector of the airbag system or driving the vehicle on a city or rough road

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

CHECK FRONT SEAT OUTER BELT ASSEMBLY RH (FRONT PRETENSIONER SQUIB 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 (5).
  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 (5).

OK: DTC B0133/62 is not output. HINT: Codes other than DTC B0133/62 may be output at this time, but they are not related to this check.

Go to step 2

REPLACE FRONT SEAT OUTER BELT ASSEMBLY RH

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

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

  1. Disconnect the connector from 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.
  4.  Measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

REPAIR OR REPLACE FLOOR WIRE NO.2

3 CHECK CENTER AIRBAG SENSOR ASSEMBLY

 CHECK CENTER AIRBAG SENSOR ASSEMBLY

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

OK: DTC B0133/62 is not output. HINT: Codes other than code B0133/62 may be output at this time, but they are not related to this check.

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  • Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit

    Toyota Sienna Service Manual: Short to B in Front Pretensioner Squib RH Circuit