Toyota Land Cruiser 1988 Repair Manual page 214

EFI SYSTEM - Electronic Control System
Fl-83
Voltage at ECU Wiring Connectors {Cont'd)
Terminals
STD Voltage Condition
THA- E2 1 -3 Ignition S/W ON Intake air temperature 2o•c (68.F)
THW- E2 0.1 -1.0
Ignition S/W ON Coolant temperature so•c (176.F)
No. 10 E01
-
9-14 IgnitionS/WON
No. 20 E02
STA- E1
6-14 Cranking
ISC1
- E1 9-14 Ignition S/W ON
ISC4
IGT- E1 0.7-1.0
Idling
W- E1 8-14 No trouble ("CHECK" engine warning light off) and engine running
A/C- E1 10-14
Air conditioning ON
4-6 Check connector TE1-E1 not short
T- E1 IgnitionS/WON
0 Check connector TE1 - E1 short
0
NSW- E1
Ignition S/W ON
Shift position P or N range
10-14 Ex. P or N range
10-14 4WD S/W ON
4WD- E1
Ignition S/W ON
0 4WD S/W OFF
10-14
STP- E1
IgnitionS/WON
Stop light S/W ON
0
Stop light S/W OFF
ECU Terminals
I
'--' 1
I
...........
_j
.........
E01
No.
HT1 STJ T
ISC ISC
G6
G1
NE
THG OX1
THW
IGF IGT
IM-
EGR SPD FPU THA
vs vc
BATT
IG
10 1 2
REL
[s;w
E02
No. HT2 E1
TWS
ISC ISC
VF1 VF2 VTA IDL E11 OX2 E2 E22
STP A/C
w
NSV STA AI
+B +81
20
3
4
4WD
• California vehicles only
FI0574