TSRM/MK4 Supra/Repair Manual
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SRS/Supplemental Restraint System, page 85

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p.086
Supplemental Restraint System — MK4 Supra Supplemental Restraint System, page 85
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Page text (OCR transcript)
RS–85

SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING

HINT: If diagnostic trouble code 22 is output, do the following troubleshooting:

1 Is diagnostic trouble code 22 output again?

ACC ON
or

DLC 1

E1 Tc

Code 22

DLC2

Tc E1

AB0118 AB0119
Im-23-1-A FI1392
S-17-1

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

YES

NO Using simulation method, reproduce malfunction symptoms (See page RS–48).

Replace center airbag sensor assembly.