Toyota 4A-FE Repair Manual page 224

A-10
SERVICE SPECIFICATIONS - EFI System (4A-FE)
EFI SYSTEM (4A-FE)
Specifications
..
-
Fuel pressure Fuel pressure at No vacuum 2.7 - 3.1 kg/cm
2
regulator (38 -
44
psi, 265 - 304 kPa)
Cold start
Resistance
2-4!1
injector
Fuel leakage Less than one drop of fuel per minute
Injector Resistance
Approx. 1 3
.B fl
Injection volume 40 - 50 cc/1 5 sec (2.4 - 3.1 cu in.l
Difference between each injector 5 cc (0 .31 cu in.) or less
Fuel leakage One drop or less of fuel per minute
Throttle body Throttle valve fully closed angle
50
Throttle position Throttle opening Clearance between
IDL - E2
PSW - E2
sensor
angle (from vertical)
stop screw and lever
-
0.60 mm (0.0236 in.)
Continuity No continuity
-
0.80 mm (0.031 5 in.) No continuity No continuity
Less than 7 .5 °
-
Continuity No continuity
73°(M/T), 63°(A/T) -
No continuity No continuity
79°(M/T). 69°(A/T)
-
No continuity Continuity
Start injector Resistance STA - ST J 20 -
4o n
Below 30° (86°F)
time switch
40 - 60 fl Above 40°C (104°F)
STA - Ground 20 - 80
fl -
Water temp. Resistance at -20°c (-4°F)
10 - 20 k!l
sensor and
0°C (32°F)
4 - 7 kfl
intake air
temp. sensor
40°C (104°F)
0.9 - 1.3 k!l
60°C ( 1 40°Fl 0.4 - 0.7 k!l
80°C (1 76°F)
0.2 - 0.4 kfl
Oxygen sensor Heater resistance
5.1 - 6.3 fl
ECU
HINT:
• Perform all voltage and resistance measurements with the ECU connected .
• Verify that the battery voltage is 11 V or above when the ignition switch is ON.
• The testing probes must not make contact with the ECU oxygen and VF terminals.
Voltage
Terminal
STD voltage (V) Condition
+B - E1
Ignition switch ON
+B 1 -
El 10 - 14
- -
BATT - E1
-
IDL - E2 Throttle valve open
4.5 - 5 .5 Ignition switch ON
PSW - E2 Throttle valve fully closed
No. 10 EO 1
10 - 14 Ignition switch ON
No. 20
-
E02
W - E1
10 - 14
No trouble ("CHECK ENGINE" warning light off) and
engine running