Toyota 3F-E - Page 92

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EFI SYSTEM - Troubleshooting with Volt/Ohmmeter
FI-33
No.
Terminals
Trouble
Condition
STD Voltage
IDL - E2
Throttle valve open
4 - 6 V
VC - E2
Ignition
—
4 - 6 V
2
No voltage
switch ON
Throttle valve fully closed
0.1 - 1.0 V
VTA - E2
Throttle valve fully open
4- 5 V
ECU
FI1366
•
IDL - E2
There is no voltage between ECU terminals IDL and E2.
(IG SW ON) (Throttle valve open)
O
Check that there is voltage between ECU terminal + B
( + B1) and body ground. (IG SW ON)
NO OK
Check wiring between ECU terminal El and body
ground.
OK
BAD
Try another ECU.
Replace or repair.
BAD
Refer to No. 1.
Replace or repair.
OK
j Check throttle position sensor.
BAD
BAD OK
Replace or repair throt-
Check wiring between ECU and
tie position sensor.
throttle position sensor.
OK
Try another ECU.
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