Fuel Cut RPM Test

FUEL CUT RPM INSPECTION
1. WARM UP ENGINE.
Allow the engine to warm up to normal operating temperature.

2. CONNECT TACHOMETER TO ENGINE.



Connect the tester probe of a tachometer to terminal IG(-) of the data link connector (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 your before use.

3. INSPECT FUEL CUT-OFF OPERATION.
HINT: Perform this test with the A/C turned OFF.
(a) Increase the engine speed to at least 3,000 rpm.



(b) Check for injector operating noise.
(c) Check that when the throttle lever is released, injector operation noise stops momentarily and then resumes.

Fuel return speed: 1,100 rpm

4. DISCONNECT TACHOMETER.