Fuel Cut RPM
1. WARM UP ENGINEAllow the engine to warm up to normal operating temperature
2. CONNECT LEXUS HAND-HELD TESTER OR OBD II SCAN TOOL
a. Connect the LEXUS hand-held tester or OBD II scan tool to the DLC3.
b. Please refer to the LEXUS hand-held tester or OBD II scan tool operator's manual for further details.
3. INSPECT FUEL CUT-OFF OPERATION
a. Increase the engine speed to at least 3,000 rpm.
b. Check for injector operating noise. A
c. Check that when the throttle lever is released, injector eration noise stops momentarily and then resumes.
HINT: Measure with the A/C OFF.
Fuel return rpm: 1,000 rpm
4. DISCONNECT LEXUS HAND-HELD TESTER OR OBD II SCAN TOOL