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EFI system (3S-GTE)

Specifications

Component Item Specification
Fuel pressure regulator Fuel pressure, at no vacuum 2.3 – 2.7 kg/cm² (33 – 38 psi, 226 – 265 kPa)
Cold start injector Resistance 2 – 4 Ω
Fuel leakage One drop or less per minute
Injector Resistance 2 – 4 Ω
Injection volume 95 – 120 cc (5.8 – 7.3 cu in.) per 15 sec.
Difference between each cylinder 5 cc (0.3 cu in.) or less
Fuel leakage One drop or less per minute
Air flow meter Resistance, VS – E2 (Measuring plate fully closed) 200 – 600 Ω
Resistance, VS – E2 (Measuring plate fully open) 20 – 1,200 Ω
Resistance, VC – E2 200 – 400 Ω
Resistance, THA – E2, at –20°C (–4°F) 10 – 20 kΩ
Resistance, THA – E2, at 0°C (32°F) 4 – 7 kΩ
Resistance, THA – E2, at 20°C (68°F) 2 – 3 kΩ
Resistance, THA – E2, at 40°C (104°F) 0.9 – 1.3 kΩ
Resistance, THA – E2, at 60°C (140°F) 0.4 – 0.7 kΩ
Throttle body Throttle body fully closed angle 6°
Component Clearance between stop screw and lever Between terminals Resistance
Throttle position sensor 0 mm (0 in.) VTA – E2 0.2 – 0.8 kΩ
0.50 mm (0.020 in.) IDL – E2 Less than 2.3 kΩ
0.70 mm (0.028 in.) IDL – E2 Infinity
Throttle valve fully opened position VTA – E2 3.3 – 10.3 kΩ
— VC – E2 3 – 8.3 kΩ
Component Item Specification
ISC valve Resistance, +B – RSC or RSO 17.7 – 23.9 Ω
Cold start injector time switch Resistance, STA – STJ, below 10°C (50°F) 30 – 50 Ω
Resistance, STA – STJ, above 25°C (77°F) 70 – 90 Ω
Resistance, STA – Ground 30 – 90 Ω
Solenoid resistor Resistance, +B – No.10, No.20, No.30 or No.40 5 – 7 Ω
Fuel pump resistor Resistance Approx. 0.73 Ω
T-VIS VSV Resistance 33 – 39 Ω
Turbocharging pressure VSV Resistance 24 – 30 Ω
EGR VSV Resistance 33 – 39 Ω

Component Item Specification
Water temp. sensor Resistance, at –20°C (–4°F) 10 – 20 kΩ
Resistance, at 0°C (32°F) 4 – 7 kΩ
Resistance, at 20°C (68°F) 2 – 7 kΩ
Resistance, at 40°C (104°F) 0.9 – 1.3 kΩ
Resistance, at 60°C (140°F) 0.4 – 0.7 kΩ
Resistance, at 80°C (176°F) 0.2 – 0.4 kΩ
EGR gas temp. sensor Resistance, at 50°C (112°F) 69.40 – 88.50 kΩ
Resistance, at 100°C (212°F) 11.89 – 14.37 kΩ
Resistance, at 150°C (302°F) 2.79 – 3.59 kΩ
Oxygen sensor Heater coil resistance 5.1 – 6.3 Ω

ECU

Hint

  • Perform all voltage and resistance measurements with the ECU connected.
  • Verity that the battery voltage in 11 V or above with the ignition switch is ON.

Voltage

Terminals Condition STD voltage (V)
+B, +B1 – E1 IG SW ON 10 – 14
BATT – E1 — 10 – 14
IDL – E2 IG SW ON, Throttle valve open 4 – 6
VTA – E2 IG SW ON, Throttle valve fully closed 0.1 – 1.0
VTA – E2 IG SW ON, Throttle valve fully open 3.2 – 4.2
VC – E2 IG SW ON, — 4 – 6
VS – E2 IG SW ON, Measuring plate fully closed 3.7 – 4.3
VS – E2 IG SW ON, Measuring plate fully open 0.2 – 0.5
VS – E2 Idling 2.6 – 3.6
VS – E2 3,000 rpm 1.0 – 2.0
No.1, No.2, No.3, No.4 – E01, E02 IG SW ON 10 – 14
THA1 – E2 IG SW ON, Intake air temp. 20°C (68°F) 1 – 3
THW – E2 IG SW ON, Coolant temp. 80°C (176°F) 0.1 – 1.1
STA – E1 Cranking 6 – 14
IGT – E1 Cranking or idling 0.8 – 1.2

Voltage (cont'd)

Terminals Condition STD voltage (V)
RSC, RSO – E1 IG SW ON, Engine ECU connector disconnected 8 – 14
W – E1 No trouble ("CHECK" engine warning light off) and engine running 10 – 14
PIM – E2 IG SW ON 2.5 – 4.5
AC1 – E1 IG SW ON, Air conditioning ON 8 – 14
ACT – E1 IG SW ON, Air conditioning ON 4 – 6
TVIS – E1 (w/ Regular unleaded gasoline) IG SW ON, Throttle valve fully closed 2.0 or less
TVIS – E1 (w/ Regular unleaded gasoline) IG SW ON, Throttle valve open 10 – 14
TVIS – E1 (w/o Premium unleaded gasoline) Idling 2.0 or less
TVIS – E1 (w/o Premium unleaded gasoline) 4,200 rpm or more 10 – 14
T – E1 IG SW ON, Check connector TE1 – E1 not connected 10 – 14
T – E1 IG SW ON, Check connector TE1 – E1 connected 0.5 or less

Resistance

Terminals Condition STD resistance (Ω)
IDL – E2 Throttle valve open Infinity
IDL – E2 Throttle valve fully closed 2,300 or less
VTA – E2 Throttle valve fully open 3,500 – 10,000
VTA – E2 Throttle valve fully closed 200 – 800
VC – E2 — 200 – 400
VS – E2 Measuring plate fully closed 200 – 600
VS – E2 Measuring plate fully open 20 – 1,200
THA1 – E2 Intake air temp. 20°C (68°F) 2,000 – 3,000
THW – E2 Coolant temp. 80°C (176°F) 200 – 400
G1, G2 – G– — 140 – 180
NE – G– — 180 – 220
RSC, RSO – +B, +B1 — 17.7 – 23.9

Fuel cut rpm (w/ Vehicle speed 0 km/h and coolant temp. 80°C (176°F))

  • Fuel cut rpm: 2,000 rpm
  • Fuel return rpm: 1,600 rpm

Torque specifications

Part tightened kg-cm ft-lb N·m
Fuel line, Union bolt type 300 22 29
Fuel line, Flare nut type 310 22 30
Fuel pump x Fuel tank 35 30 in.-lb 3.4
Fuel sender gauge x Fuel tank 15 13 in.-lb 1.5
Fuel evaporation bent tube x Fuel tank 15 13 in.-lb 1.5
Fuel tank filler pipe x Fuel tank 35 30 in.-lb 3.4
Fuel tank band x Body 300 22 29
No.2 center crossmember x Body 300 22 29
Cold start injector x Intake manifold 60 52 in.-lb 5.9
Cold start injector pipe x Cold start injector 180 13 18
Cold start injector pipe x Delivery pipe 180 13 18
Fuel pressure regulator x Delivery pipe 300 22 29
Injector cover x Delivery pipe 80 69 in.-lb 7.8
Fuel inlet hose x Delivery pipe, Bolt 80 69 in.-lb 7.8
Fuel inlet hose x Delivery pipe, Union bolt 300 22 29
Delivery pipe x Cylinder head 195 14 19
Fuel inlet hose x Fuel filter 300 22 29
Throttle body x Intake manifold 195 14 19
Intake air connector stay x Throttle body 195 14 19
Intake air connector stay x Cylinder head 80 69 in.-lb 7.8
Intake air connector x Throttle body 195 14 19