Fuel Cut RPM

1. REMOVE V-BANK COVER





a. Using a 5 mm hexagon wrench, remove the 3 cap nuts.
b. Loosen the V-bank cover fastener counterclockwise.
c. Remove the V-bank cover.

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





3. 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.

4. INSPECT FUEL CUT OFF RPM
a. Increase the engine speed to at least 3,500 rpm.





b. Use a sound scope to check for injector operating noise
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: 1,200 rpm

5. DISCONNECT LEXUS HAND-HELD TESTER OR OBD II SCAN TOOL

6. REINSTALL V-BANK COVER
a. Using 5 mm hexagon wrench, install the V-bank cover with the 3 cap nuts.
b. Press down the V-bank cover fastener.