Toyota 3S-GE Repair Manual page 210

EG-196
ENGINE — EFI SYSTEM
No. Terminals I STD voltage
3 3 — 4 9 V
4 PIM - E2
VC — E2
Trouble Condition
No voltage IG SW ON
4.5 — 5.5 V
Vacuum Sensor ECU
IManifold AbsoluteI
Pressure Sensor /
E2
PIM
VC
O E2
OPIM
OVC
T-OE1
I
,—i_%
Fl1226
ECU
@ (IG sw ON)
@ I There is no voltage between ECU terminals PIM or VC and E2.
l.:I: .:I' 2"I Q)
i A ' I I. ground. (IG SW ON)
Voltmeter - " —
PIM vc I
- -I 2-; 2 - Y ~ Check that there is voltage between ECU terminal +B and body
/ V
E2 OK NO
II » Refer to +B — E1 trouble
section (No.1).
_ P°°7I'I'3 (See page EG-192)
ECU
®
@ Check wiring between ECU terminal E1 and body ground. I
0.5-
.. . . Ioi< IBAD
22222222
EI I IIIB I
I Check vacuum sensor. BAD Re air or re lace
(See page EG-280) p p I
BAD I OK
SBRSOE SBRSOL
P17813
Replace vacuum Check wiring between ECU and vacuum
ECU
@ Try another ECU.
BAD
I Repair or replace.
Ohmmeter
/
<2. 1 2
' DDODIJDUDIJDO UDUIIIIJD DDDD ZIDDODDDDD
'I - - - i - - - - I - - - - I I 1- - . . - . - I -
':1-mm' _. J .2.
E1 I
— 0 OI -'
o
I
P007 39
\/05420