Fuel Delivery and Air Induction: Testing and Inspection
FUEL CUT RPMINSPECTION
1. WARM UP ENGINE
a. Transit to the inspection mode.
b. Start the engine to warm up to normal operating temperature.
2. CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL
a. Connect the TOYOTA hand-held tester or OBD II scan tool to the DLC3.
b. Please refer to the TOYOTA hand-held tester or OBD II scan tool operator's manual for further details.
3. INSPECT FUEL CUT OFF RPM
a. Increase the engine speed to at least 2,250 rpm.
b. Use a sound scope to check for injector operating noise.
c. Check that when the throttle lever is released injector, operation noise stops momentary and then resumes.
HINT: Measure with the A/C OFF.
Fuel return rpm: 1,400 rpm
4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL