Fuel Cut RPM Test
FUEL CUT RPM INSPECTION1. REMOVE V-BANK COVER
- Using a 5 mm hexagon wrench, remove the 2 cap nuts.
- 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 TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL
- Remove the fuse cover on the instrument panel.
- Connect the Toyota hand-held tester or OBDII scan tool to the DLC3.
- Refer to the Toyota hand-held tester or OBDII scan tool operator's manual for further details.
4. INSPECT FUEL CUT-OFF RPM
- 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
5. DISCONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL
6. REINSTALL V-BANK COVER
- Push on the cover until a "click" is felt.