TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
p.044
AB/SRS Airbag45 / 90
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INSPECTION PROCEDURES — MK3 Supra SRS Airbag, page 45
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INSPECTION PROCEDURES P Preparation C Check 1 Preparation. LOCK P (1) Disconnect battery negative (—) terminal cable, and wait at least 20 seconds. (2) Remove steering wheel pad (See page AB-15). Caution When storing steering wheel pad, keep upper surface of the pad facing upward. AB0211 AB0268 2 Check front airbag sensor circuit. (Measure resistance between terminals +SR and —SR, +SL and —SL of center airbag sensor assembly connector.) Center Airbag Sensor Assembly P Disconnect center airbag sensor assembly connector. C Measure resistance between terminals +SR and —SR, +SL and —SL of harness side connector of center airbag sensor assembly. OK Resistance: 755 Ω — 885 Ω —SL +SL —SR +SR AB0232 OK NG Go to Code 15 (See page AB-60). 3 Check front airbag sensor circuit. (Measure voltage between terminal +SR or +SL of center airbag sensor assembly connector and body ground.) ON Center Airbag Sensor Assembly P (1) Connect negative (—) terminal cable to battery. (2) Turn ignition switch ON. C Measure voltage between terminals +SR or +SL of harness side connector of center airbag sensor assembly and body ground. OK Voltage: 0V —SL +SL —SR +SR AB0139 AB0233 OK NG Repair or replace harness or connector between center airbag sensor assembly and front airbag sensor (See page AB-21).