Operation CHARM: Car repair manuals for everyone.

Fuel Cut RPM

1. WARM UP ENGINE
Allow 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