TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.078

SRS/Supplemental Restraint System — Inspection Procedures, page 79

79 / 102
p.080
Inspection Procedures — MK4 Supra Supplemental Restraint System, page 79
100%
Page text (OCR transcript)
RS–79
SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING

INSPECTION PROCEDURES
[P] Preparation [C] Check

1 Preparation.

LOCK
P squib
Center Airbag
Sensor Assembly
Spiral
Cable
D squib
AB0117
RO5902

P (1) Disconnect negative (–) terminal cable from the
battery, and wait at least 20 seconds.
(2) Remove steering wheel pad (See page RS–10).
(3) Disconnect connector of front passenger airbag
assembly (See RS20).

Caution
Store the steering wheel pad with the front sur-
face facing upward.

2 Check front airbag sensor circuit (Measure resistance between terminals
+SR and –SR, +SL and –SL of center airbag sensor assembly connector.).

Center Airbag Sensor Assembly
+SR
SR
+SL
SL
R05264

P Disconnect center airbag sensor assembly connec-
tor.

C Measure resistance between terminals +SR and
–SR, +SL and –SL of harness side connector of
center airbag sensor assembly.

OK Resistance: 755 — 885

OK
NG Go to step 4 .