TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SRS/Supplemental Restraint System73 / 102
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DTC 14 Open in D Squib Circuit — MK4 Supra Supplemental Restraint System, page 73
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RS–73 SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING DTC 14 Open in D Squib Circuit CIRCUIT DESCRIPTION The D squib circuit consists of the center airbag sensor assembly, spiral cable and the steering wheel pad. 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 14 is recorded when an open is detected in the squib circuit. DTC No. | Diagnosis 14 | • Open circuit in D+ wire harness or D– wire harness of squib. • D Squib malfunction. • Spiral cable malfunction. • Center airbag sensor assembly malfunction. WIRING DIAGRAM Center Airbag Sensor Assembly Power Source Airbag Squib: D squib (Steering Wheel Pad) 1 Y 3 D+ Safing Sensor L 4 2 D– To Front Airbag Sensor R07091