RS–66 SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING DTC 13 Short in D Squib Circuit (Between D+ Wire Harness and D− Wire Harness) CIRCUIT DESCRIPTION The D squib circuit consists of the center airbag sensor assembly, spiral cable and 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 13 is recorded when a short is detected in the D+ wire harness and D− wire harness of the squib circuit. DTC No. | Diagnosis 13 • Short circuit between D+ wire harness and 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+ Spiral Cable L 4 2 D− Safing Sensor To Front Airbag Sensor R07091