Toyota 3S-GE Repair Manual page 206

ENGINE — EFI SYSTEM
Trouble Condition STD Voltage
No voltage IG SW ON 9 - V
>l\J
.§.
SW)
0
\\
13
(D
MI A A2 A AM2 pm
I:
IGN 7 SA
ST
0 0
(SW)
I-4
Q,/~Q 0 0 0 0 I "'I'B
Ignition Switch
@ ® There IS no voltage between ECU terminals +B and E1
ECU (IG SW ON)
I U DU DCIDDDU :31'; I
V I U DCI IIIDUIJDU D D DD I
EFI Main Relay f )
"= Z >4
CI CIDDDDCIDIIIU QDOUD DDDEI ODIJDEIUUDO
I L ti ' L Voltm t -—--— ——'
round (IG SW ON)
e er ii
/ V . Check that there is voltage between ECU terminal +B and body
E1 +.B ® g
"l|§' N() (JK
V
OD
DUDDGCI
I=
otmeter I-i—-'———
vv We
Check
switch
® Check wiring between ECU terminal E1 and body
BAD
Try another ECU Repair or replace
fuses, fusible links and ignition BAD
-——> Repair or replace
V
Check
(See pa
EFI main relay BAD Re lace
geEG-262or263) p
and ba
3
UUUDDDD
O h m mete r = 'll
-4
iring between EFI main relay BAD
I
check W A» Repair or replace
ttery