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Home >> Toyota >> 2005 >> Tundra Base, 4.0 U, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1GR-FE) (Service Specifications) >> Engine Control System (1GR-FE) >> Service Data
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Service Data

Service Data - SFI [1GR-FE]

Fuel pressure Fuel pressure at idle 281 to 287 kPa
(2.87 to 2.93 kgf.cm2 , 40.8 to 41.7 psi)
remains for 5 minutes after engine has stopped 147 kPa (1.5 kgf.cm2 , 21 psi) or more
Fuel pump Resistance at 20°C (68°F) 0.2 to 3.0 Ω
Injector Resistance at 20°C (68°F) 11.6 to 12.4 Ω
Injection volume 76 to 91 cm (4.6 to 5.5 cu in.) per 15
Difference between each cylinder 15 cm3 (0.9 cu in.) or less
Fuel leakage 1 drop or less per 12 min.
MAF meter Resistance (THA-E2) at -20°C (-4°F) 13.6 to 18.4 kΩ
  at 20°C (68°F) 2.21 to 2.69 kΩ
  at 60°C (140°F) 0.49 to 0.67 kΩ
VSV for ACIS Resistance at 20°C (68°F) 33 to 39 Ω
Fuel pump resistor Resistance at 20°C (68°F) 0.70 to 0.76 Ω
VSV for EVAP Resistance at 20°C (68°F) 26 to 30 Ω
ECT sensor Resistance at 20°C (68°F) 2.32 to 2.59 kΩ
  at 80°C (176°F) 0.310 to 0.326 kΩ
Fuel cut rpm   Fuel cut off rpm 2, 500 rpm
  Fuel return rpm 1, 200 rpm
Throttle body Standard percentage of the valve opening angle 60% or more
Resistance at 20°C (68°F) 0.3 to 100Ω
Camshaft timing oil control valve Resistance at 20°C (68°F) 6.9 to 7.9 Ω
Knock sensor Resistance at 20°C (68°F) 120 to 280 kΩ
Air fuel ratio sensor Resistance    
at 20°C (68°F) terminal 1 (HT) - 2 (+B) 1.8 to 3.4 Ω
at 500°C (932°F) terminal 1 (HT) - 2 (+B) 5.0 to 7.5 Ω
  terminal 1 (HT) - 4 (AF) No continuity
Heated oxygen sensor Resistance at 20°C (68°F) 5 to 10 Ω