TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SRS/Supplemental Restraint System, page 56

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Supplemental Restraint System — MK4 Supra Supplemental Restraint System, page 56
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Page text (OCR transcript)
RS–56
SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING

4  Check D squib circuit.

Center Airbag
P squib          Sensor Assembly

Spiral
Cable
D squib

D–        D+

R06894
AB0070

C  For the connector (on the spiral cable side) between the spiral cable and steering wheel pad, measure the resistance between D+, D– and body ground.

OK  Resistance: 1 MΩ or Higher

OK

NG  Go to step 10 .

5  Check P squib circuit.

Center Airbag
P squib          Sensor Assembly

Spiral
Cable
D squib

P–        P+

R05898
AB0070

C  For the connector (on the center airbag sensor assembly side) between the center airbag sensor assembly and front passenger airbag assembly, measure the resistance between P+, P– and body ground.

OK  Resistance: 1 MΩ or Higher

OK

NG  Repair or replace harness or connector between center airbag sensor assembly and front airbag sensor.