TSRM/MK3 Supra/Repair Manual
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BE/Body Electrical System — Inspection of set/coast switch circuit., page 67

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Inspection of set/coast switch circuit. — MK3 Supra Body Electrical System, page 67
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Page text (OCR transcript)
B	Inspection of set/coast switch circuit.

Turn ignition switch off.

CONTROL SWITCH

INSPECT GROUND CONNECTION
Disconnect connector from control switch.
Is there continuity between terminal *3 or **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 SET/COAST SWITCH
OPERATION
Is set/coast 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 SET/COAST SWITCH CIRCUIT
Is resistance value about 198 Ω between
terminal 17 and body ground with set/coast
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)