Fuel Cut RPM
1. REMOVE 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.
- Connect the LEXUS hand-held tester or OBD II scan tool to the DLC3.
Please refer to the LEXUS hand - held tester or OBD II scan tool operator's manual for further details.
4. INSPECT FUEL CUT OPERATION.
- Increase the engine speed to at least 2,500 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:
- The vehicle should be stopped.
- Measure with the A/C OFF.
Fuel return rpm: 1,400 rpm
5. DISCONNECT LEXUS HAND-HELD TESTER OR OBD II SCAN TOOL.
6. REINSTALL V-BANK COVER.