Toyota 3S-GE Repair Manual page 216

EG-202
ENGINE — EFI SYSTEM
No. I Terminals I Trouble I Condition I STD voltage
RSC
10 I RS0 — E1 I No voltage I IG SW ON I ECU connectors disconnected I 9 - 14 V
ISC Valve I ECU
EFI Main Relay I *
EFI 15A - I i 0
AM2;§
40A L",
Battery
13
Y2
MAIN 60A AM2 30A AM2 ,
I
I-4
FOEI
: : : \___.__.__/
M» -win. : 2 ;
Ignition Switch
I . C Q
i "
IGN 7.5A
(st)
(sun
(svw
-I-B
T P17816
/
—l
J7 U) O
G-
nri i x -1
P18335
®
h .
ECU C eck resistance between ISC
--
+ 0|
Q3
/ 'Q
RSC
+B
hr RSO
1
P17858
(IG SW ON)
ECU CD I ® There is no voltage between ECU terminals RSC or RSO and E1.
__ valve terminals +B and RSC or BAD
LE55555555555 555555 5555 555555555 @ R30. Replace ISC valve.
Voltmeter ' ' -
l l 1 TI I
RSO
I! _ \_ /""'\ ® Check that there is voltage between ECU terminal +B and body
Qround. (IG sw om
Voltmeter 1' ' T ' "
E1 OK NO
Refer to +B — E1
trouble section (No.1).
(See page EG-192)
STD resistance:
'WK W 3*? Approx. 19.2 - 22.3 Q
I I Check wiring between ECU and I BAD _
I ISC Valve. Repair or replace.
" P17779
I OK
Ohmmeter N/> / @ Try another ECU.
I Kiln I\ V5}
7 *
V05426