TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SRS/Supplemental Restraint System92 / 102
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DTC 54 Open in P Squib Circuit — MK4 Supra Supplemental Restraint System, page 92
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RS–92 SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING DTC 54 Open in P Squib Circuit CIRCUIT DESCRIPTION The P squib circuit consists of the center airbag sensor assembly and front passenger airbag assembly. It causes the airbag to deploy when the airbag deployment conditions are satisfied. For details of the function of each component see FUNCTION OF COMPONENTS on page RS–4. Diagnostic trouble code 54 is recorded when an open is detected in the P squib circuit. DTC No. | Diagnosis 54 • Open circuit in P+ wire harness P– wire harness of squib. • P squib malfunction. • Center airbag sensor assembly malfunction. WIRING DIAGRAM Center Airbag Sensor Assembly Power Source Airbag Squib: P squib (Front Passenger Airbag Assembly) 1 G 2 P+ Safing Sensor 2 BR 1 P– To Front Airbag Sensor R07093