TSRM/MK3 Supra/Repair Manual
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BE/Body Electrical System — Troubleshooting, page 87

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Troubleshooting — MK3 Supra Body Electrical System, page 87
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Page text (OCR transcript)
Troubleshooting

• Check that the operation of other systems (Door lock control system etc.) are normal.
• When the system is not operating, lower the door glass and confirm under what conditions it does not operate, or malfunctions.

Problem | Inspection Item | Section

Theft deterrent system can not be set. | Inspection of power source circuit | A

Indicator light does not light even if theft deterrent system operated. | Inspection of indicator light circuit | H

Theft deterrent system does not operate when front door opened. | Inspection of front door lock solenoid circuit
Inspection of door lock switch circuit | E
F

Theft deterrent system does not operate when back door opened. | Inspection of back door and/or engine hood courtesy switch circuit | G

Theft deterrent system does not operate when engine hood opened. | Inspection of back door and/or engine hood courtesy switch circuit | G

Theft deterrent system does not cancel when front door unlocked with key. | Inspection of front door key lock and unlock switch circuit | C

Theft deterrent system does not cancel when back door unlocked with key. | Inspection of back door key unlock switch circuit | D

Theft deterrent system does not cancel when ignition switch turned to ON or ACC position. | Inspection of ignition switch circuit | B

Starter cut system does not operate even if theft deterrent system operated. | Inspection of starter cut system circuit | I

Starter cut system does not cancel even if theft deterrent system canceled. | Inspection of starter cut system circuit | I

Horn does not blow even if theft deterrent system operated. | Inspection of theft deterrent horn circuit | L

Headlights and taillights do not flash even if theft deterrent system operated. | Inspection of light retractor control relay circuit | K

Theft deterrent horn blows and/or headlight and taillight flash even if system is not set. | Inspection of theft deterrent horn and light retractor control relay circuit | J