Toyota RAV4 manuals

Toyota Sienna Service Manual: Open in Curtain Shield Squib LH Circuit

DTC B1166/88 Open in Curtain Shield Squib LH Circuit

DESCRIPTION

The curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH.

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

DTC B1166/88 is recorded when an open circuit is detected in the curtain shield squib LH circuit.

 

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:

1 CHECK CURTAIN SHIELD AIRBAG ASSEMBLY LH (CURTAIN SHIELD SQUIB LH)

 CHECK CURTAIN SHIELD AIRBAG ASSEMBLY LH (CURTAIN SHIELD SQUIB LH)

  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 curtain shield airbag assembly LH.
  4.  Connect the white wire side of SST (resistance 2.1 Ω) to the floor wire.

    CAUTION: Never connect a tester to the curtain shield airbag assembly LH (curtain shield squib LH) 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

  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, and wait for at least 60 seconds.
  7.  Clear the DTCs stored in memory.
  8.  Turn the ignition switch to the LOCK position.
  9.  Turn the ignition switch to the ON position, and wait for at least 60 seconds.
  10.  Check the DTCs

OK: DTC B1166/88 is not output.

HINT: Codes other than DTC B1166/88 may be output at this time, but they are not related to this check.

REPLACE CURTAIN SHIELD AIRBAG ASSEMBLY LH

2 CHECK FLOOR WIRE (CURTAIN SHIELD SQUIB LH CIRCUIT)

CHECK FLOOR WIRE (CURTAIN SHIELD SQUIB LH CIRCUIT)

  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.
  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

Standard resistance

3 CHECK CENTER AIRBAG SENSOR ASSEMBLY

CHECK CENTER AIRBAG SENSOR ASSEMBLY

  1. Connect the connectors to the curtain shield airbag assembly LH 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 B1166/88 is not output.

HINT: Codes other than DTC B1166/88 may be output at this time, but they are not related to this check.

USE SIMULATION METHOD TO CHECK

Short in Curtain Shield Squib LH Circuit
DTC B1165/87 Short in Curtain Shield Squib LH Circuit DESCRIPTION The curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH. T ...

Short to GND in Curtain Shield Squib LH Circuit
DTC B1167/85 Short to GND in Curtain Shield Squib LH Circuit DESCRIPTION The curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly L ...

Other materials:

Display Signal Circuit between Video Terminal and Television Display
DESCRIPTION This is the display signal circuit from the video terminal to the television display assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO TERMINAL) Disconnect the connectors from the video terminal and tele ...

Dinghy towing
Your vehicle is not designed to be dinghy towed (with 4 wheels on the ground) behind a motor home. NOTICETo avoid serious damage to your vehicle Do not tow your vehicle with four wheels on the ground. To prevent causing serious damage to the transaxle and Active Torque ...

Air Mix Damper Control Servo Motor Circuit (Passenger Side)
DESCRIPTION The air mix control servo motor (air mix damper servo sub-assembly) is controlled by the A/C amplifier. The air mix control servo motor moves the air mix damper by rotating (normal, reverse) with electrical power from the A/C amplifier. This adjusts the mix ratio of the air t ...

В© 2011-2019 Copyright www.tsienna.net