TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
p.075
FI/EFI System76 / 80
p.077
EFI SYSTEM — Electronic Control System — MK2 Supra EFI System, page 76
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FI-76 EFI SYSTEM — Electronic Control System Terminals STD Voltage Condition BAT — E1 — +B — E1 10 — 14 IG S/W — E1 IG S/W ON — M.REL — E1 — IDL — E2 4 — 6 Throttle valve open VTA — E2 0.1 — 1.0 Throttle valve fully closed 4 — 5 IG S/W ON Throttle valve fully opened Vc — E2 4 — 6 — 4 — 5 Measuring plate fully closed Vs — E2 0.02 — 0.08 Measuring plate fully open 2 — 4 Idling 0.3 — 1.0 3,000 rpm THA — E2 1 — 2 IG S/W ON Intake air temperature 20°C (68°F) THW — E1 0.1 — 0.5 Coolant temperature 80°C (176°F) STA — E1 6 — 12 IG S/W ST position No. 10 No. 20 — E1 9 — 14 IG S/W ON — IGt — E1 0.7 — 1.0 Cranking or idling ISC1 | ISC2 — E1 9 — 14 IG S/W ON — ISC4 9 — 14 2 — 3 secs. after engine off +B — EGR 10 — 13 IG S/W ON — 0 Start engine and warm up oxygen sensor 0 Shift position P or N range (for A/T) 10 — 14 IG S/W ON Ex. P or N range (for A/T) N/C — E1 0 Clutch pedal not depressed (for M/T) 10 — 14 Clutch pedal depressed (for M/T) 9 — 11 Cranking T — E1 4 — 6 IG S/W ON Check connector not short 0 Check connector short