Toyota 4A-FE Repair Manual page 162

Fl-148 EFI SYSTEM - Electronic Control System
Voltage at ECU Wiring Connectors (4A-FE)
' .
Terminals Condition STD voltage (V)
+B - El
- -
Ignition SW ON 10 - 14
+81 - E1
- -
BATT - E1
-
10 - 14
IDL - E2
Throttle valve open 4.5 - 5.5
- ·
·- Ignition SW ON
PSW - E2 Throttle valve fully closed 4 .5 - 5.5
No.10 E01
Ignition SW ON
-
10 - 14
No.20
E02
Ignition SW ON
I
0
W - E1
i
No trouble ("CHECK ENGINE" light off) and engine running 10 - 14
PIM - E2 3 .3 - 3 .9
Ignition SW ON
VCC - E2 4.5 - 5.5
THA - E2 Intake air temperature 20°C (68°F) 2 .0 - 2.5
Ignition SW ON
THW - E2 Coolant temperature 80°C (1 76°F) 0 .4 - 0.7
·-
STA - E1 Cranking 6 - 14
-
IGT - E1 Idling
0.7-1.0
A/C switch ON
5 - 14
A/C - E1 Ignition SW ON
A/C switch OFF 0
Check connector TE1 - E1 not connect
10 - 14
T - El Ignition SW ON
,.____
..
Check connector TE1 - E1 connect
0
I
--
ECU Terminats (2WD)
I I
E01
No .
STA
%
Gh Gl
IGF IGT
THA
PIM
THW NSW EGR
T ACT
-
-
FC R/P
BATT
+B1
10
F
E02
No.
El
-
E21
NE
-
IDL
vcc
PSW
E2
HT V-ISC
VF
-
-
SPD
A/C
- w
+B
20