Lexus NX: Removal
REMOVAL
PROCEDURE
1. DISCONNECT INTAKE MANIFOLD
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2. DISCONNECT FUEL TUBE SUB-ASSEMBLY
(a) Remove the No. 1 fuel pipe clamp from the fuel tube sub-assembly.
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| (b) Disconnect the fuel tube sub-assembly from the fuel pipe. Click here |
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3. REMOVE FUEL DELIVERY PIPE
| (a) Disconnect the 4 fuel injector assembly connectors. |
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(b) Remove the 2 bolts, and then remove the fuel delivery pipe together with the 4 fuel injector assemblies.
NOTICE:
Be careful not to drop the fuel injector assemblies when removing the fuel delivery pipe.
| (c) Remove the 2 fuel delivery pipe spacers from the cylinder head. |
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4. REMOVE INJECTOR VIBRATION INSULATOR
| (a) Remove the 4 injector vibration insulators from the cylinder head. |
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5. REMOVE FUEL INJECTOR ASSEMBLY
| (a) Pull the 4 fuel injector assemblies out of the fuel delivery pipe. |
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(b) Remove the O-ring from each fuel injector assembly.
NOTICE:
When reinstalling the fuel injector assemblies, mark the cylinder number on the label, etc. and store them in plastic bags to prevent entry of foreign matter.
READ NEXT:
Inspection
INSPECTION PROCEDURE 1. INSPECT FUEL INJECTOR ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condi
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repair" after replacing the fuel injector assembly. Click here PROCEDURE 1. INSTALL FUEL INJECTOR ASSEMBLY HINT: Perform "Inspect
Fuel Pressure Regulator
ComponentsCOMPONENTS ILLUSTRATION *1 FUEL PRESSURE REGULATOR ASSEMBLY *2 FUEL PUMP ASSEMBLY WITH FILTER *3 NO. 1 FUEL SUB-TANK *4 NO. 1 FUEL SUCTION SUPPORT *5 FUEL SUCTION
SEE MORE:
Back Door Courtesy Switch Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) receives a back door open or closed signal from the back door courtesy light switch. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method Multiplex Network Master Switch Assembly Front Power Window Regulator Motor Assembly LH Power window auto up and down signal LIN
Front Power Window Regulator Motor Assembly RH
