TSRM/MK4 Supra/Repair Manual
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SRS/Supplemental Restraint System — Inspection Procedures, page 99

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p.100
Inspection Procedures — MK4 Supra Supplemental Restraint System, page 99
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Page text (OCR transcript)
RS–99
SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING

INSPECTION PROCEDURES
[P] Preparation [C] Check

HINT: If the diagnostic trouble code is not displayed, do the following troubleshooting:

1 Does SRS warning light light up for approx. 6 seconds?

LOCK ACC ON
or

AB0117 AB0118 AB0119
RO6803

C Check operation of SRS warning light after ignition switch turned from LOCK position to ACC or ON position.

YES

NO Check SRS warning light system.
(See page RS–44)

2 Check voltage between terminals Tc and E1 of DLC1 and DLC2.

ACC ON
or

DLC 1 DLC 2

E1 Tc Tc
E1

AB0118 AB0119
fa-23-1-A S-17-1

P Turn ignition switch to ACC or ON.

C Measure voltage between terminals Tc and E1 of DLC1 or DLC2.

OK Voltage: Battery positive voltage

NG

OK Go to step 4.