Toyota 3S-GE Repair Manual page 212

E6498 ENGINE — EFI SYSTEM
Terminals I Trouble I Condition I STD voltage
THA - E2 I No voltage I IG sw ON I lntake air temperature 20 c (as F) I 0.5 - 3.4 v
lntake Air Temp. Sensor 0+8
ECU
THA
EC; -
E2
- OE2
1 OTHA
E1
H3572
ECU I THA
(D There is no voltage between ECU terminals THA and E2.
(D (IG SW ON)
Check that there is voltage between ECU terminal +B and body
_rn\
'°\
E
...... ..
Voltmeter ' — 'I 4 ® ground. (IG sw ON)
OK NO
E' Refer to +B ~ E1
trouble section No.1.
Pom" (See page EG-192)
®
Cr -' BAD OK
A
Repair intake air Check wiring between ECU and intake
air temp. sensor.
ECU Check wiring between ECU terminal E1 and body ground. I
DUDOUDUO DUUDD E DDCIDDDDDD I
V V \I+B ® Check intake air temp. sensor. Repair or replace.
- (See page EG-278)
! I
IBIT1 D. S8080 I'.
1779
P1
BAD
\/
I Jug Ohmmeter
\ i i /
ii | -
-I II I'I'I'l'IJ
L
Wifi
El
[ m g- x a
I OK
@ Try another ECU. I Repair or replace.
P01656
l/05422