TSRM/MK3 Supra/Repair Manual
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FI/EFI System — Troubleshooting Procedures, page 11

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Troubleshooting Procedures — MK3 Supra EFI System, page 11
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Page text (OCR transcript)
EFI SYSTEM — Troubleshooting

Digital Type
Analog Type

4. Use a volt/ohmmeter with high impedance (10 kΩ V mini-mum) for troubleshooting of the electrical circuit. (See pages FI-30, 49)

TROUBLESHOOTING PROCEDURES

SYMPTOM — DIFFICULT TO START OR NO START
(ENGINE WILL NOT CRANK OR CRANKS SLOWLY)

CHECK POWER SOURCE

BAD

1. Battery
(1) Connection
(2) Gravity — drive belt — charging system
(3) Voltage
2. Fusible links

OK

CHECK STARTING SYSTEM

BAD

1. Ignition switch
2. Starter
3. Starter relay (M/T, USA A/T)
4. Clutch start switch (M/T)
5. Neutral start switch (A/T)
6. Wiring/Connection