Toyota 4A-F Repair Manual page 91

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Symbol
'0'
ENGINE GROUND
E02
ENGINE GROUND
INJECTOR
No.20
INJECTOR
STA
STARTER SWITCH
IGNITER
FUEl PRESSURE VSV
ENGINE GROUND
FPU
V-ISC
IDlE-UP VSV
STH
T-VIS VSV
VA'
VARIABlE RESISTOR
V ,
CHECK CONNECTOR
09
DISTRIBUTOR
SENSOR GROUND
DISTRIBUTOR
DISTRIBUTOR
IGNITER
feU T,rmlnels
fFI SYSTEM
_
Troublt.hooti!' l g with Volt/Ohmmeter
EFI SYSTEM CHECK PROCEDURE
Terminals of ECU
(TCCS ECU w/o Air Flow Meter)
T,rminel Heme
G
SfW
'If
r
841
NOTE'
i
thll' the
bettery
o
P.
rf
m
voltage measurements with lhe cOnneclof$
connecled
.
r
e
t
V
y
ignition switch is at
Using e voltmeter with high impedence (10
minimum), measure
connectors.
wiring
Symbol
T
CHECK CONNECTOR
THROTTLE POsnMJN SENSOR
THA
INTAKE AIR TEMP. SENSOR
M
VACUUM SENSOR
vee
l
P
VACUUM SENSOR
THROTTLE
VTA
THW
WATER
E2
SENSOR GROUNO
SPO
SPEfD SENSOR
CIRCUIT
'e
AlC MAGNET SWITCH
SEL
SENSOR GROUND
BATT
BATTERY
W
WARNING UGHT
+B '
MAIN RELAY
. ''''' '' '
+B
MAIN RElAY
T
PW
V 01'
Is I I
voltage
" ON" ,
the
voltage
at
Nch
T,rmlnel Heme
POSITION SENSOR
TEMP. SENSOR
OPENING RELAY
FI-31
mote when the
kilN
terminlll
Ihll
01

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