TSRM/MK2 Supra/Repair Manual
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A/Service Specifications — EFI System Specifications, page 7

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EFI System Specifications — MK2 Supra Service Specifications, page 7
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Page text (OCR transcript)
SERVICE SPECIFICATIONS — EFI System                                                A-7

EFI SYSTEM
Specifications

Pressure regulator | Fuel pressure | w/No vacuum | 2.3 — 2.7 kg/cm² 33 — 38 psi 226 — 265 kPa

Cold start injector | Resistance | 3 — 5 Ω
                   | Leakage    | Less than one drop of fuel per minute

Injector | Resistance                      | 1.5 — 3.0 Ω
         | Injection volume               | 40 — 50 cc/15 sec (2.4 — 3.1 cu. in.)
         | Difference between each injector| Less than 6 cc (0.37 cc in.)
         | Leakage                        | Less than one drop of fuel per minute

Air flow meter | Resistance | E₂ — Vs  | 20 — 400 Ω
                              |          | (Measuring plate fully closed)
                              |          | 20 — 1,000 Ω
                              |          | (Measuring plate fully open)
               |            | E₂ — Vc  | 200 — 400 Ω
               |            | E₁ — Fc  | ∞ (Measuring plate closed)
               |            |          | 0 (Measuring plate open)
               |            | E₂ — THA | 10 — 20 kΩ (−20°C, −4°F)
               |            |          | 4 — 7 kΩ (0°C, 32°F)
               |            |          | 2 — 3 kΩ (20°C, 68°F)
               |            |          | 0.9 — 1.3 kΩ (40°C, 104°F)
               |            |          | 0.4 — 0.7 kΩ (80°C, 176°F)

ISC valve | Resistance | B₁ — S₁ or S₃ | 10 — 30 Ω
          |            | B₂ — S₂ or S₄ | 10 — 30 Ω

Throttle body | Throttle valve fully closed angle | 6°

Throttle position sensor | Clearance between stop screw and lever | Between terminals | Resistance (kΩ)
                        | 0 mm 0/0 in.                          | VTA — E₂          | 0.2 — 0.8
                        | 0.50 mm 0.0197 in.                     | IDL — E₂          | 0 — 100
                        | 0.90 mm 0.0354 in.                     | IDL — E₂          | Infinity
                        | Throttle valve fully open              | VTA — E₂          | 3.3 — 10
                        |                                        | Vc — E₂           | 3 — 7

Main relay | Resistance | 1 — 2 | No. 1 Main relay | No. 2 Main relay
           |            |       | 40 — 60 Ω       | 60 — 120 Ω
           |            | 3 — 4 | ∞               | ∞

Circuit opening relay | Resistance | STA — E₁ | 17 — 25 Ω
                     |            | +B — Fc  | 88 — 112 Ω
                     |            | +B — Fp  | ∞

Resistor | Resistance | No. 10 or No. 20 — +B | 2 Ω

Start injector | Resistance | STJ — STA        | 24 — 40 Ω (Below 30°C, 86°F)
              |            |                  | 40 — 60Ω (Above 40°C, 104°F)
              |            | STA — Ground     | 20 — 80 Ω

Water temp. sensor | Resistance | 10 — 20 Ω      | (−20°C, −4°F)
                  |            | 4 — 7 kΩ       | (0°C, 32°F)
                  |            | 2 — 3 kΩ       | (20°C, 68°F)
                  |            | 0.9 — 1.3 kΩ   | (40°C, 104°F)
                  |            | 0.4 — 0.7 kΩ   | (60°C, 140°F)
                  |            | 0.2 — 0.4 kΩ   | (80°C, 176°F)