Fuel Shut-off Solenoid: Testing and Inspection

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 OBDII SCAN TOOL.
- Connect the LEXUS hand-held tester or OBDII scan tool to the DLC3.

Please refer to the LEXUS hand-held tester or OBDII scan tool operators 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 OBDII SCAN TOOL.
6. REINSTALL V-BANK COVER.