Fuel Cut RPM Inspection

1. WARM UP ENGINE
Allow the engine to warm up to normal operating temperature.




2. CONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL
a. Remove the fuse cover on the instrument panel.
b. Connect a TOYOTA hand-held tester or OBDII scan tool to the DLC3.
c. Please see the TOYOTA hand-held tester or OBDII scan tool operator's manual for further details.




3. INSPECT FUEL CUT RPM OPERATION
a. Increase the engine speed to at least 2,500 rpm.
b. Check for injector operating noise.
c. Check that when the throttle lever is released, injector operation noise stops momentarily and then resumes.

HINT: Measure with the A/C OFF.

Fuel return speed: 1,500 rpm

4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL