Fuel Cut Rpm - Toyota Supra 1990 Manual

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E2--->.;::L.L..J.j
I D L---JU--'+
VT
A.--J.W..-~
VC
- - . J L ' - l l
Tachometer
EFI SYSTEM -
Electronic Control System
FI-125
FI0547
FI1142
Fuel Cut RPM
INSPECTION OF FUEL CUT RPM
INSPECT FUEL CUT RPM
(a)
Start and warm up the engine.
(b)
Disconnect the throttle position sensor connector from
the throttle position sensor.
(c)
Connect circuit terminals IDL and E2 on the wire con-
nector side.
(d)
Gradually raise the engine rpm and check by the fluc-
tuation of the tachometer needle, that the fuel cut
operation repeatedly goes on and off.
HINT:
The vehicle should be stopped.
Fuel cut rpm:
7M-GE
1,800 rpm
7M-GTE
1,600 rpm
Fuel return rpm:
7M-GE
1,200 rpm
7M-GTE
1,200 rpm

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