Fuel Cut System
- On Avalon, Camry, Camry Solara and Sienna, remove "V" bank cover on top of engine for access to fuel injectors. See Figure, Figure and Figure
.
- On all models, connect scan tool to data link connector No. 3. See Figure-Figure
. Scan tool is used to read engine RPM. Start engine and warm engine to normal operating temperature.
- Ensure A/C is off. Gradually increase engine RPM to specified RPM. See FUEL CUT SYSTEM TESTING SPEED table.
FUEL CUT SYSTEM TESTING SPEED
| Application |
Engine RPM |
| Avalon, Camry, Camry Solara, Sienna, Tacoma, Tundra 3.4L V6 & 4Runner |
3500 |
| Land Cruiser & Tundra 4.7L V8 |
2500 |
- Using stethoscope, check for fuel injector operating sound. Ensure when throttle lever is released, fuel injector stops operating momentarily and then resumes operating (fuel return RPM).
- Ensure fuel return RPM is within specification. See FUEL CUT SYSTEM SPECIFICATIONS table. Shut engine off. Remove scan tool.
FUEL CUT SYSTEM SPECIFICATIONS
| Application |
Fuel Return RPM |
| Avalon, Camry & Camry Solara |
1200 |
| Land Cruiser |
1000 |
| Sienna |
1200 |
| Tacoma |
| A/T |
1200 |
| M/T |
1000 |
| Tundra |
| 3.4L V6 |
| A/T |
1200 |
| M/T |
1000 |
| 4.7L V8 |
1000 |
| 4Runner |
1500 |