FI-78
EFI SYSTEM —
Electronic Control System
Voltage at ECU Wiring Connectors (Cont'd)
Terminals
STD Voltage
Condition
THA — E2
1 —
3
Ignition switch ON
Intake air temperature 20°C (68°F)
THW — E2
0.1 — 1.0
Ignition switch ON
Coolant temperature 80°C (176°F)
No. 10
E01
2
—
No. 20
E02
10 — 14
Ignition switch ON
STA — El
6 —
1
4
Cranking
ISC1
2
— El
ISC4
1
0 — 14
Ignition switch ON
IGT — El
0.7 — 1.0
Idling
W — El
1
0 — 14
No trouble ("CHECK" engine warning light off) and engine running
T — El
4 —
6
Ignition switch ON
Check connector TE1 -El not connect
0
Check connector TE1 -E1 connect
NSW — El
0
Ignition switch ON
Shift position P or N range
10 — 14
Ex. P or N range
4WD — El
1
0 — 14
Ignition switch ON
4WD switch ON
0
4WD switch OFF
STP — El
10 — 14
Ignition switch ON
Stop light switch ON
0
Stop light switch OFF
ECU
Terminals
u
1
u
1
1
i
E01
No.
1
0
HT1
STJ
T
ISC ISC
2
Ge
G1
—
NE
—
OX1
THW
IGF
IGT
—
REL
EGR
SPD
FPUTHA
VS
VC
BATT
I
w
G
s
E02
No
.
2
HT2
El
TWS
ISC
3
ISC
4
VF1
VF2
VTA
IDL
El 1
OX2
E2
E22
—
4WD
STP
—
W
NSW
STA
Al
—
+B
+B1
F10574
ProCarManuals.com
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