Fuel Cut Rpm - Toyota 4A-FE Repair Manual

4A-FE
Tachometer
EFI SYSTEM - Electronic Control System Fl-153
J-3-l fl4l97
F11142
Fuel Cut RPM
INSPECTION OF FUEL CUT RPM
(a)
Start and warm
up the
engine.
(b)
Disconnect
the
connector from
the
throttle position
sensor.
(c)
Connect circuit terminals IDL and E2 on the wir"ing
connector side .
(d}
Gradually raise the engine rpm and check that there
is fluctuation between the fuel cut and fuel return
points.
HINT:
• The vehicle should be stopped.
• Accessories switched off.
Fuel
cut
rpm:
4A-FE w/o TWC
w/
TWC
Fuel return rpm:
4A-FE w/o TWC
w/
TWC
1,700 rpm
1,900 rpm
1,200 rpm
1,200 rpm