Toyota 3S-GE Repair Manual page 208

EG-194
ENGINE — EFI SYSTEM
No.
I Terminals I Trouble I Condition
STD Voltage
IDL — E2 Throttle valve open I
VC — E2 - -
3 No voltage s\I3i:;:°6N
9—14V
4.5 - 5.5 V
Throttle valve fully closed I
0.3 — 0.8 V
VTA — E2
I Throttle valve fully open I
3.2 — 4.9 V
Throttle Position Sensor
E2
ECU
+B
E2
IDL
_ VTA
VC
IDL
\/TA
VC
E1
F|1366
(D o|DL—E2
ECU There is no voltage between ECU terminals IDL and E2.
I (D (IG SW ON) (Throttle valve open)
- ----.-,----_..i;
I I OEJUCIDDODO
Voltmeter I _ S" '
1 L
. I
I @ ground. (IG sw ON)
"C" I
E2I/
' Check that there is voltage between ECU terminal +B and body
NO I OK
P0075'; Check wiring between ECU terminal E1 and body
Voltmeter E)
® OK
ECU Try another ECU. Repair or replace.
- L1 v - - '\I' 1!' LJ -tr L1
UUUCICICIUIIIDDD CIDIJDUD UEIDD DUCIUUDCIDD
G DCIIJCICIDDUU IIILIIJIJH CIDDCI UUDDDDDDO
ground.
I BAD
E1 Referto +B—E1 trouble section(No 1) BAD
(See page EG-192)
Wm ® (See pageEG-253)
E2
I3-
I IIII
I
Ohmmeter ® Repair or replace Check wiring between ECU and throttle
I W \\I+.B I ' ' Repair or replace.
OI
- I
Ch k h I ' ' . ec t rott e position sensor I BAD
I BAD
IOK
throttle position sensor. position sensor.
Throttle Position Sensor él
r '
VC r
VTA ~
IDL I ' ' ¢"
III
F|4757
0 OK
Try another ECU.
V054l8