TSRM/MK3 Supra/Repair Manual
Repair ManualWiring DiagramsCommunity Fixes
p.067

BE/Body Electrical System — Inspection of resume/accel switch circuit., page 68

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p.069
Inspection of resume/accel switch circuit. — MK3 Supra Body Electrical System, page 68
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Page text (OCR transcript)
C    Inspection of resume/accel switch circuit.

Turn ignition switch off.

CONTROL SWITCH

INSPECT GROUND CONNECTION
Disconnect connector from control switch.
Is there continuity between terminal **4
of wire harness side connector and body
ground ?

No → • Open circuit in wire harness between
       terminal *3 or **4 and body ground.
     • Body ground faulty.

Yes
↓
INSPECT RESUME/ACCEL SWITCH
OPERATION
Is resume/accel switch operation normal ?
(See page BE-81)

No → Replace control switch.

Yes
↓
Connect connector to control switch.

COMPUTER

Disconnect connector from computer and
inspect connector on wire harness side as
follows.

INSPECT RESUME/ACCEL SWITCH
CIRCUIT
Is resistance value about 68 Ω between
terminal 17 and body ground with resume
/accel switch pushed on ?

No → Open or short circuit in wire harness
       between terminal 17 of computer and
       terminal *4 or **1 of control switch.

Yes
↓
Replace computer.

*: U.S.A. (w/ Airbag system)
**: CANADA (w/o Airbag system)