Removal
1UR-FE FUEL: FUEL INJECTOR: REMOVAL
1. DISCHARGE FUEL SYSTEM PRESSURE
CAUTION:
* Do not disconnect any part of the fuel system until you have discharged the fuel system pressure.
* After discharging the fuel pressure, place a cloth or equivalent over fittings as you separate them to reduce the risk of fuel spray on yourself or in the engine compartment.
(a) Disconnect the 2 fuel pump ECU connectors.
(b) Connect the cable to the negative (-) battery terminal.
(c) Start the engine. After the engine has stopped on its own, turn the engine switch off.
HINT
DTC P0171/0174 (system too lean) may be stored.
(d) Crank the engine again, and then check that the engine does not start.
(e) Loosen the fuel tank cap, and then discharge the pressure in the fuel tank completely.
(f) Disconnect the cable from the negative (-) battery terminal.
NOTICE:
* w/ Navigation System:
After the engine switch is turned off, the display and navigation module display (navigation system) records various types of memory and settings. As a result, after turning the engine switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) battery terminal.
Waiting Time before Disconnecting Cable from Negative (-) Battery Terminal:
* When disconnecting the cable, some systems need to be initialized after the cable is reconnected Repair Instruction - Initialization.
(g) Connect the 2 fuel pump ECU connectors.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Repair Instruction - Initialization.
3. REMOVE EGR VALVE BRACKET
(a) Remove the EGR valve bracket Removal.
4. REMOVE ENGINE ROOM SIDE COVER Removal
5. DISCONNECT HEATER WATER HOSE Removal
6. DISCONNECT NO. 4 WATER BY-PASS PIPE
(a) Detach the wire harness clamp.
(b) Remove the 2 bolts and disconnect the No. 4 water by-pass hose.
7. DISCONNECT NO. 3 VENTILATION HOSE Removal
8. DISCONNECT NO. 1 AIR INJECTION SYSTEM HOSE Removal
9. REMOVE AIR SWITCHING VALVE ASSEMBLY (for Bank 2) Removal
10. REMOVE NO. 3 WATER BY-PASS PIPE
(a) Disconnect the water hose.
(b) Remove the 2 bolts and water by-pass pipe.
11. REMOVE NO. 3 WATER BY-PASS HOSE
12. DISCONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY
(a) Disconnect the No. 2 fuel tube from the fuel pressure regulator Service Precautions.
13. DISCONNECT FUEL TUBE SUB-ASSEMBLY
(a) Disconnect the fuel tube from the fuel delivery pipe Service Precautions.
(b) Disconnect the fuel tube from the No. 2 fuel delivery pipe Service Precautions.
14. DISCONNECT WIRE HARNESS AND HOSE
(a) Disconnect the purge VSV connector.
(b) Disconnect the purge line hose from the purge VSV.
(c) Disconnect the vacuum switching valve connector (for ACIS).
15. DISCONNECT FUEL HOSE
(a) Disconnect the fuel hose from the No. 2 fuel delivery pipe Service Precautions.
16. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY
(a) Disconnect the No. 6 wire harness connector.
(b) Remove the 2 bolts and fuel delivery pipe.
NOTICE:
When removing the delivery pipe, hold the pipe by both ends and pull it straight upward.
(c) Remove the 2 delivery pipe spacers and 4 insulators from the intake manifold.
17. REMOVE NO. 2 FUEL DELIVERY PIPE SUB-ASSEMBLY
(a) Disconnect the No. 7 wire harness connector.
(b) Remove the 2 bolts and No. 2 fuel delivery pipe.
NOTICE:
When removing the delivery pipe, hold the pipe by both ends and pull it straight upward.
(c) Remove the 2 delivery pipe spacers and 4 insulators from the intake manifold.
18. REMOVE FUEL INJECTOR ASSEMBLY
(a) Remove the fuel injector from the fuel delivery pipe, and then disconnect the injector connector.
NOTICE:
For reinstallation, attach a tag or label to the injector shaft.
Text in Illustration
(b) Remove the O-ring from the fuel injector.
Text in Illustration
(c) Detach the 3 clamps and then remove the No. 6 wire harness from the fuel delivery pipe.
(d) Detach the 3 clamps and then remove the No. 7 wire harness from the No. 2 fuel delivery pipe.