TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
p.111
FI/EFI System112 / 126
p.113
Cold Start Injector Time Switch — MK3 Supra EFI System, page 112
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FI-112 EFI SYSTEM — Electronic Control System Cold Start Injector Time Switch To Ignition Switch (ST1) To ECU (STA) STA STJ STJ STA To ECU (STJ) Cold Start Injector Time Switch F03124 Ohmmeter STA STJ F03814T03A1 INSPECTION OF COLD START INJECTOR TIME SWITCH INSPECT RESISTANCE OF COLD START INJECTOR TIME SWITCH Using an ohmmeter, measure the resistance between each terminal. Resistance: STA — STJ 25 — 45 Ω below 15°C (59°F) 65 — 85 Ω above 30°C (86°F) STA — Ground 25 — 85 Ω If the resistance is not as specified, replace the switch.