Fuel Cut Rpm - Toyota 22R-E Service Manual

ENGINE – MFI SYSTEM

FUEL CUT RPM

FUEL CUT RPM INSPECTION
1. WARM UP ENGINE
Allow the engine to warm up to normal operating
temperature.
2. CONNECT TACHOMETER
Connect the test probe of a tachometer to terminal IG
(–) of the DLC1.
NOTICE:
Never allow the tachometer terminal to touch
ground as it could result in damage to the igniter
and/or ignition coil.
As some tachometers are not compatible with this
ignition system, we recommend that you confirm
the compatibility of yours before use.
3. INSPECT FUEL CUT OPERATION
(a) Increase the engine speed to at least 2,500 rpm.
(b) Check for injector operating sound.
(c) Check that when the throttle lever is released, injector
operation sound stops momentarily and then res–
umes.
HINT:
The vehicle should be stopped.
Accessories switched OFF.
Fuel return rpm:
M/T 1.300 rpm
A/T 1,500 rpm
4. DISCONNECT TACHOMETER
EG2–257