TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.061

SRS/Supplemental Restraint System, page 62

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p.063
Supplemental Restraint System — MK4 Supra Supplemental Restraint System, page 62
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Page text (OCR transcript)
RS–62
SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING

4  Check D squib circuit.

ON
P squib
Center Airbag
Sensor Assembly
Spiral
Cable
D squib
D+
AB0119
R05901
AB0067

P  Disconnect center airbag sensor assembly connector.

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

OK  Voltage: 0 V

OK
NG  Go to step 9.

5  Check P squib circuit.

ON
P squib
Center Airbag
Sensor Assembly
Spiral
Cable
D squib
P+
AB0119
R05896
AB0067

C  For the connector for the center airbag sensor assembly side) between center airbag sensor assembly and front passenger airbag assembly, measure the voltage between P+ and body ground.

OK  Voltage: 0 V

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