OK
NO
Check wiring between ECU and
throttle position sensor.
E2
V
Repair or replace.
f
Try another ECU.
FI-34
EFI SYSTEM —
Troubleshooting with Volt/Ohmmeter
T
•
VC — E2
There is no voltage between ECU terminals VC and E2.
ECU
VC
O
(IG SW ON)
U000
MOLDED
MODODOEuD
Voltmeter
ADDDE
=DOOM
DOODOMMOD
E2
Check that there is voltage between ECU terminal
+
B
(
+ B1) and body ground.
(IG
SW
ON)
F10325
Check throttle position sensor.
Refer to No. 1.
(See page Fl-64)
(See page Fl-30)
BAD
OK
Repair or replace.
Check wiring between ECU and
throttle position sensor.
OK
BAD
Try another ECU.
Repair or replace
wiring.
•
VTA — E2
O
There is no specified voltage at ECU terminals VTA and E2.
(IG SW ON)
O Check that there is voltage between ECU terminal VC and
E2.
(IG
SW ON)
OK
NO
Refer to VC — E2
trouble section.
OK
BAD
ECU
VC
®
Check throttle position sensor.
1
=1
Voltmeter
POODDDED
ARE
:MOD=
MOMOODu
=MEM=
OK
BAD
Repair or replace.
OK
F10325
ProCarManuals.com
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