Fuel Shut-off Solenoid: Testing and Inspection

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




2. 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 operator's manual for further details.





3. INSPECT FUEL CUT OFF OPERATION.
- Increase the engine speed to at least 3,000 rpm.
- 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: 1,400 rpm

4. DISCONNECT LEXUS HAND-HELD TESTER OR OBDII SCAN TOOL.