Evaporative Vapor Pressure Sensor: Service and Repair

VAPOR PRESSURE SENSOR ASSY (3MZ-FE)
REPLACEMENT
1. DISCHARGE FUEL SYSTEM PRESSURE
2. DISCONNECT ENGINE WIRE NO.3 (BATTERY NEGATIVE TERMINAL)
3. REMOVE REAR SEAT CUSHION ASSY
4. REMOVE REAR FLOOR SERVICE HOLE COVER








5. DISCONNECT FUEL PUMP TUBE SUB-ASSY
(a) Remove the tube joint clip, then pull out the fuel pump tube.

NOTICE:
- Check around the quick connector for dirt or mud before this operation. Remove the dirt if necessary.
- Be careful of mud because the quick connector has an 0-ring which seals the pipe and quick connector that can be contaminated.
- Do not use any tools in this operation.
- Do not bend or twist the nylon tube. Protect the quick connector by covering it with a vinyl or plastic bag.
- When the pipe and quick connector are stuck, push and pull the quick connector to release. Pull the quick connector carefully.





6. REMOVE FUEL TANK VENT TUBE SET PLATE
(a) Remove the 8 bolts, then remove the fuel tank vent tube set plate.





7. REMOVE VAPOR PRESSURE SENSOR ASSY
(a) Remove the cover.
(b) Remove the tube joint clip, then pull out the vapor pressure sensor.





8. INSTALL VAPOR PRESSURE SENSOR ASSY
(a) Install the vapor pressure sensor with the tube joint clip.

NOTICE:
- Check the connected part for scratch or foreign objects.
- Check that the vapor pressure sensor is inserted securely.
- Check that the tube joint clip is on the collar of the vapor pressure sensor.
- After installing the tube joint clip, check that the vapor pressure sensor has not been pulled off.

(b) Install the cover.





9. INSTALL FUEL TANK VENT TUBE SET PLATE
(a) Align the mark of the fuel tank vent tube set plate with the fuel suction tube wi pump & gauge.
(b) Install the fuel tank vent tube set plate with the 8 bolts.
Torque: 5.9 N-m (60 kgf-cm, 52 in.-lbf)





10. CONNECT FUEL PUMP TUBE SUB-ASSY
(a) Install the fuel pump tube with the tube joint clip.

NOTICE:
- Check the connected part for scratch or foreign objects.
- Check that the fuel tube joint is inserted securely.
- Check that the tube joint clip is on the collar of the fuel tube joint.
- After installing the tube joint clip, check that the fuel tube joint has not been pulled off.

11. CONNECT ENGINE WIRE NO.3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 N-m (55 kgf-cm, 48 in.-lbf)
12. CHECK FOR FUEL LEAKS
13. INSTALL REAR FLOOR SERVICE HOLE COVER
14. INSTALL REAR SEAT CUSHION ASSY
15. SYSTEM INITIALIZATION