Dtc B Short In Driver Side Squib Circuit Dtc B Open In Driver Side Squib Circuit Dtc B Short To Gnd In Driver Side Squib Circuit Dtc B Short To B In Driver Side Squib Circuit

DESCRIPTION

The D squib circuit consists of the center airbag sensor assembly, the spiral cable and the steering wheel pad. The circuit instructs the SRS to deploy when deployment conditions are met. These DTCs are recorded when a malfunction is detected in the D squib circuit.

DIAGNOSTIC TROUBLE CODE CHART

DTC No.

DTC Detection Condition

Trouble Area

B1800/51

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

• Spiral cable malfunction

• D squib malfunction

• Center airbag sensor assembly malfunction

• Center airbag sensor assembly

• Cowl wire

B1801/51

• The center airbag sensor assembly receives an open circuit signal in the D squib circuit for 2 seconds.

• Spiral cable malfunction

• D squib malfunction

• Center airbag sensor assembly malfunction

• Center airbag sensor assembly

• Cowl wire

B1802/51

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

• Spiral cable malfunction

• D squib malfunction

• Center airbag sensor assembly malfunction

• Center airbag sensor assembly

• Cowl wire

B1803/51

• The center airbag sensor assembly receive a short to B+ circuit signal in the D squib circuit for 0.5 seconds.

• Spiral cable malfunction

• D squib malfunction

• Center airbag sensor assembly malfunction

• Center airbag sensor assembly

• Cowl wire

WIRING DIAGRAM

WIRING DIAGRAM

2007 RESTRAINTS Supplemental Restraint System - Sequoia

Center Airbag Sensor Assembly /-\

D Squib

Spiral Cable

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

Get My Free Ebook


Responses

  • ulla-maj halonen
    What is an airbag cowl wire?
    6 years ago
  • ESSI
    What is the d squib circuit on toyota hilux?
    6 years ago
  • THOMAS
    How to repair or close driver side airbag open circuit?
    6 years ago

Post a comment