Fuel Cut Rpm: Inspection
- REMOVE V-BANK COVER
- Using a 5 mm hexagon wrench, remove the 3 cap nuts.
- Loosen the V-bank cover fastener counterclockwise.
- Remove the V-bank cover.
- WARM UP ENGINE
Allow the engine to warm up to normal operating temperature.
- CONNECT LEXUS HAND-HELD TESTER OR OBDII SCAN TOOL
- Connect the TOYOTA hand-held tester or OBDII scan tool to the DLC3.
- Please refer to the TOYOTA hand-held tester or OBDII scan tool operator's manual for further details.
- INSPECT FUEL CUT OFF PRM
- Increase the engine speed to at least 3,500 rpm.
- Use a sound scope to check for injector operating noise.
- 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
- DISCONNECT LEXUS HAND-HELD TESTER OR OBDII SCAN TOOL
- REINSTALL V-BANK COVER
- Using 5 mm hexagon wrench, install the V-bank cover with the 3 cap nuts.
- Press down the V-bank cover fastener.