{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"AB","section_name":"SRS Airbag","page":48,"pages_in_section":90,"title":"Short in Squib Circuit (Between D+ Wire Harness and D- Wire Harness)","section_header":"SRS Airbag — Troubleshooting","ocr_text":"AB-48                                    SRS AIRBAG — Troubleshooting\n\nDiag.Code | 13 | Short in Squib Circuit (Between D+ Wire Harness and D- Wire Harness)\n\nCIRCUIT DESCRIPTION\n\nThe squib circuit consists of the center airbag sensor assembly, spiral cable and the steering wheel pad (squib). 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 AB-7. Diagnostic code 13 is recorded when a short is detected in the D+ wire harness and D- wire harness of the squib circuit.\n\nCode. No. | Diagnosis\n\n13 | · Short circuit between D+ wire harness and D- wire harness of squib.\n    · Squib malfunction.\n    · Spiral cable malfunction.\n    · Center airbag sensor assembly malfunction.\n\nDIAGNOSTIC CHART\n\n1 | Preparation.\n\n2 | Check squib circuit. | NG → Go to step 5 on next page.\n   | OK\n\n3 | Check center airbag sensor assembly. | NG → Replace center airbag sensor assembly.\n   | OK\n\n4 | Check squib. | NG → Replace steering wheel pad.\n   | OK\n\nFrom the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to 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