TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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FI/EFI System11 / 126
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TROUBLESHOOTING PROCEDURES — MK3 Supra EFI System, page 11
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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