TSRM/MK3 Supra/Repair Manual
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p.095

BE/Body Electrical System, page 96

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p.097
Body Electrical System — MK3 Supra Body Electrical System, page 96
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Page text (OCR transcript)
BE-96

BODY ELECTRICAL SYSTEM — Theft Deterrent System

J
INSPECTION OF THEFT DETERRENT HORN AND LIGHT RETRACTOR CONTROL RELAY CIRCUIT.

Turn ignition switch off.

COMPUTER

Disconnect computer connector and check that stop the theft deterrent horn blows and/or headlight and taillight flash.

No → Short circuit in light retractor control relay or theft deterrent horn circuit.

↓ Yes

Replace computer.

K
INSPECTION OF LIGHT RETRACTOR CONTROL RELAY CIRCUIT.

Turn ignition switch off.

COMPUTER

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

INSPECT LIGHT RETRACTOR CONTROL RELAY CIRCUIT
Remove the HAZ-HORN fuse.
Ground the terminal B and check that flash the headlights and taillights.

No → • Open circuit in light retractor control relay circuit.
• Check the light retractor control relay.

↓ Yes

Replace computer.