TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SRS/Supplemental Restraint System — Check center airbag sensor assembly., page 57

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p.058
Check center airbag sensor assembly. — MK4 Supra Supplemental Restraint System, page 57
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Page text (OCR transcript)
RS–57

SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING

6  Check center airbag sensor assembly.

P–  P+

Center
Airbag
Sensor
Assembly

P squib

D squib
Spiral
Cable

ACC  ON
or

D–  D–

DLC 1

E1  Tc

Code 11

DLC 2

Tc  E1

AB0069
AB0069 R06907
AB0118 AB0119
fe-23-1-A AB0057
S-17-1

P  (1) Connect connector to center airbag sensor as–
sembly.
(2) Using a service wire, connect D– and D– on spiral
cable side of connector between spiral cable and
steering wheel pad.
(3) Using a service wire, connect P+ and P– on cen–
ter airbag sensor assembly side of connector
between center airbag sensor assembly and
front passenger airbag assembly.
(4) Connect negative(–) terminal cable to battery,
and wait at least 2 seconds.

C  (1) Turn ignition switch to ACC or ON and wait at
least 20 seconds.
(2) Clear malfunction code stored in memory
(See page RS–47)
(3) Turn ignition switch to LOCK, and wait at least
20 seconds.
(4) Turn ignition switch to ACC or ON, and wait at
least 20 seconds.
(5) Using SST, connect terminals Tc and E1 of
DLC1 or DLC2.
SST 09843–18020
(6) Check diagnostic trouble code.

OK  Diagnostic trouble code 11 is not output.

Hint  Codes other than code 11 may be output at this time,
but they are not relevant to this check.

OK

NG  Replace center airbag sensor assembly.