Fuel Cut RPM

INSPECTION




1. REMOVE V-BANK COVER
a. Using a 5 mm hexagon wrench, remove the 2 cap nuts.
b. Disconnect the 2 clips, and 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 OBDII SCAN TOOL
a. Connect the LEXUS hand-held tester or OBDII scan tool to the DLC3.
b. Please refer to the LEXUS hand-held tester or OBDII scan tool operator's manual for further details.




4. INSPECT FUEL CUT OFF PRM
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 operation 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 OBDII SCAN TOOL
6. REINSTALL V-BANK COVER

HINT: For fixing the V-bank cover, push on the cover until a "click" is felt.