TSRM/MK2 Supra/Repair Manual
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BE/Body Electrical System — Inspection of Neutral Start Switch Circuit, page 80

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Inspection of Neutral Start Switch Circuit — MK2 Supra Body Electrical System, page 80
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Page text (OCR transcript)
BE-80

BODY ELECTRICAL SYSTEM — Cruise Control System

G    INSPECTION OF NEUTRAL START SWITCH CIRCUIT

Turn ignition switch on.

NEUTRAL START S/W

INSPECT GROUND CONNECTION
Is there continuity between terminal 2 and
body ground?

No    Open circuit in wire harness between
       terminal 2 and body ground.

Yes

COMPUTER

INSPECT NEUTRAL START SWITCH CIRCUIT
Disconnect connector from computer.
Is there continuity between terminal 11 of wire
harness side connector and body ground when
shifted to "N" range?

No    • Open circuit in wire harness between
       terminal 11 of computer and terminal 3
       of neutral start switch.
     • Inspect neutral switch.

Yes

Replace computer.