Toyota RAV4 manuals

Toyota Sienna Service Manual: Short to B+ in Front Passenger Side Squib Circuit

DTC B0108/52 Short to B+ in Front Passenger Side Squib Circuit

DESCRIPTION

The front passenger side squib circuit consists of the center airbag sensor assembly and the front passenger airbag assembly.

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

DTC B0108/52 is recorded when a short to B+ is detected in the front passenger side squib circuit.

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:

1 CHECK FRONT PASSENGER AIRBAG ASSEMBLY (FRONT PASSENGER SIDE SQUIB)

CHECK FRONT PASSENGER AIRBAG 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.  Disconnect the connectors from the front passenger airbag assembly.
  4.  Connect the black wire side of SST (resistance 2.1 Ω) to the instrument panel wire.

CAUTION: Never connect a tester to the front passenger airbag assembly (front passenger side squib) 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 B0108/52 is not output.

HINT: Codes other than DTC B0108/52 may be output at this time, but they are not related to this check.

REPLACE FRONT PASSENGER AIRBAG ASSEMBLY

2 CHECK INSTRUMENT PANEL WIRE (FRONT PASSENGER SIDE SQUIB CIRCUIT)

CHECK INSTRUMENT PANEL WIRE

  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 instrument panel wire.
  4.  Disconnect the connector from the center airbag sensor assembly.
  5.  Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
  6.  Turn the ignition switch to the ON position.
  7.  Measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

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 passenger airbag assembly 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.
  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.

OK: DTC B0108/52 is not output.

HINT: Codes other than code B0108/52 may be output at this time, but they are not related to this check.

USE SIMULATION METHOD TO CHECK

Short to GND in Front Passenger Side Squib Circuit
DTC B0107/51 Short to GND in Front Passenger Side Squib Circuit DESCRIPTION The front passenger side squib circuit consists of the center airbag sensor assembly and the front passenger airbag as ...

Short in Side Squib RH Circuit
DTC B0110/43 Short in Side Squib RH Circuit DESCRIPTION The side squib RH circuit consists of the center airbag sensor assembly and the front seat side airbag assembly RH. The circuit instruct ...

Other materials:

Data list / active test
1. DATA LIST HINT: By the DATA LIST displayed by the intelligent tester, you can read the value of the switch, sensor, actuator and so on without removing any part. Reading the DATA LIST as the first step in troubleshooting is one of the methods to shorten the labor time.  Connect the ...

Short to GND in Rear Curtain Shield Squib RH Circuit
DTC B1632/81 Short to GND in Rear Curtain Shield Squib RH Circuit DESCRIPTION The rear curtain shield squib RH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly RH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC ...

Selecting, fast-forwarding and reversing tracks/files/songs
Selecting a track/file/song Press the “” or “” button on “SEEK•TRACK” or turn the “TUNE•SCROLL” knob to select the desired track/file/song number. To fast-forward or reverse, press and hold the “” or “” button on “SEEK•TRACK”. ...

© 2011-2022 Copyright www.tsienna.net