TSRM/MK3 Supra/Repair Manual
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AB/SRS Airbag — Inspection Procedures, page 45

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Inspection Procedures — MK3 Supra SRS Airbag, page 45
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Page text (OCR transcript)
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).