TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
p.038
AB/SRS Airbag39 / 90
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INSPECTION PROCEDURES — MK3 Supra SRS Airbag, page 39
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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. AB0317 AD0458 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 AB0323 OK NG Go to step 7 . 3 Check front airbag sensor circuit. (Measure resistance between terminals +SR, +SL of center airbag sensor assembly connector and body ground.) Center Airbag Sensor Assembly C Measure resistance between terminals +SR, +SL of harness side connector of center airbag sensor assembly and body ground. OK Resistance: ∞ Ω AB0323 OK NG Repair or replace harness or connector between center airbag sensor assembly and front airbag sensor (See page AB-21).