TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SRS/Supplemental Restraint System77 / 102
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Check D squib. — MK4 Supra Supplemental Restraint System, page 77
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RS–77 SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING 6 Check D squib. Center Airbag P squib Sensor Assembly D squib Spiral Cable ACC ON or DLC 1 Code 14 E₁ Tc DLC 2 Tc E₁ R05896 AB0118 AB0119 lel-23-1-A FI1391 S-17-1 P (1) Turn ignition switch to LOCK. (2) Disconnect negative (–) terminal cable from the battery, and wait at least 90 seconds. (3) Connect steering wheel pad connector. (4) Connect negative (–) terminal cable to battery, and wait at least 2 seconds. C (1) Turn ignition switch to ACC or ON and wait at least 20 seconds. (2) Clear malfunction code stored in memory. (See page RS–47) (3) Turn ignition switch to LOCK, and wait at least 20 seconds. (4) Turn ignition switch to ACC or ON, and wait at least 20 seconds. (5) Using SST, connect terminals Tc and E₁ of DLC1 and DLC2. SST 09843–18020 (6) Check diagnostic trouble code. OK Diagnostic trouble code 14 is not output. Hint Codes other than code 14 may be output at this time, but they are not relevant to this check. OK NG Replace steering wheel pad. From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check.