Dtc B Short In Front Pretensioner Squib Lh Circuit Dtc B Open In Front Pretensioner Squib Lh Circuit Dtc B Short To Gnd In Front Pretensioner Squib Lh Circuit Dtc B Short To B In Front Pretensioner Squib Lh Circuit

Total OBD & ECU Auto Diagnostics

TOAD Auto Diagnostics

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DESCRIPTION

The P/T squib LH circuit consists of the center airbag sensor assembly and the front seat outer belt LH.

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

These DTCs are recorded when a malfunction is detected in the P/T squib LH circuit.

DIAGNOSTIC TROUBLE CODE CHART

DTC No.

DTC Detection Condition

Trouble Area

B1905/74

• The center airbag sensor assembly receives a line short circuit signal 5 times in the P/T squib LH circuit during primary check.

• P/T squib LH malfunction

• Center airbag sensor assembly malfunction

• Center airbag sensor assembly

• Floor wire No. 2

B1906/74

• The center airbag sensor assembly receives an open circuit signal in the P/T squib LH circuit for 2 seconds.

• P/T squib LH malfunction

• Center airbag sensor assembly malfunction

• Center airbag sensor assembly

• Floor wire No. 2

• Front seat outer belt

2007 RESTRAINTS Supplemental Restraint System - Sequoia

B1907/74

• The center airbag sensor assembly receives a short circuit to ground signal in the P/T squib LH circuit for 0.5 seconds.

• P/T squib LH malfunction

• Center airbag sensor assembly malfunction

• Center airbag sensor assembly

• Floor wire No. 2

B1908/74

• The center airbag sensor assembly receives a short to B+ circuit signal in the P/T squib LH circuit for 0.5 seconds.

• P/T squib LH malfunction

• Center airbag sensor assembly malfunction

• Center airbag sensor assembly

• Floor wire No. 2

WIRING DIAGRAM

WIRING DIAGRAM

Center Airbag Sensor Assembly

P/T Squib LH

P/T Squib LH

Y-B

<

1

Y

5 A19

Center Airbag Sensor Assembly

f

PL+

PL-

V-

2007 RESTRAINTS Supplemental Restraint System - Sequoia

• Perform the simulation method by selecting the check mode with the intelligent tester (See CHECK MODE PROCEDURE ).

• After selecting the check mode, perform the simulation method by wiggling each connector of the airbag system or driving the vehicle on a city or rough road (See CHECK MODE PROCEDURE ).

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Responses

  • Romolo
    Where is code B1905 situeted in atoyota car?
    2 years ago
  • edda lombardo
    Where Is Mounted P/T Squib LH Sensor Of Toyota Yaris?
    2 years ago

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