TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
p.035
AB/SRS Airbag36 / 90
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INSPECTION PROCEDURES — MK3 Supra SRS Airbag, page 36
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AB-36 SRS AIRBAG — Troubleshooting INSPECTION PROCEDURES P Preparation C Check 1 Preparation. ON Center Airbag Sensor Assembly IG₁ IG₂ ACC A80119 A80209 P (1) Turn ignition switch LOCK. (2) Disconnect center airbag sensor assembly connector. (3) Turn ignition switch ON. But do not start engine. (4) Measure voltage at IG₁, IG₂ or ACC on connector wire harness side of center airbag sensor assembly and operate electric system (deffoger, wiper, headlight, heater blower, etc.). Voltage: 6V — 11.5V at IG₁, IG₂ and ACC. (5) Turn electric system switch OFF. (6) Turn ignition switch LOCK. (7) Remove voltmeter and connect center airbag sensor assembly connector. 2 Does airbag warning light turn off after approx. 10 seconds. ON A80115 A80121 P Turn ignition switch ON. C Operate electric system checked in 1 (4) and check that airbag warning light goes off after approx. 10 seconds. YES NO Check diagnostic code, and if a malfunction code is output, perform troubleshooting according to malfunction code. If a normal code is output, replace center airbag sensor assembly. Check battery and charging system (See page CH-1).