Total OBD & ECU Auto Diagnostics
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
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