Lexus ES: Installation
INSTALLATION
PROCEDURE
1. INSTALL FUEL MAIN VALVE ASSEMBLY
(a) Apply gasoline to 2 new O-rings. Then install the O-rings to the fuel main valve assembly (for Low Pressure).
(b) Apply gasoline to 2 new O-rings. Then install the O-rings to the fuel main valve assembly (for High Pressure).
(c) Install the 2 fuel main valve assemblies to the fuel filter.
| *1 | Fuel Main Valve Assembly (for Low Pressure) | *2 | Fuel Main Valve Assembly (for High Pressure) |
| *a | Identification Mark (Part Number) | - | - |
NOTICE:
- Make sure that the O-rings are not cut or pinched during installation.
- The fuel main valve assembly (for Low Pressure) and fuel main valve assembly (for High Pressure) have identification marks (part numbers). If the parts are installed in the incorrect positions, the engine may stall. Therefore, make sure to install the parts in the correct positions.
| A | Fuel Main Valve Assembly (for Low Pressure) | 23070-31*** |
| B | Fuel Main Valve Assembly (for High Pressure) | 23070-36*** |
(d) Install the 2 clips to the fuel filter.
2. INSTALL FUEL PUMP WITH FILTER ASSEMBLY
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3. INSTALL FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY
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Components
COMPONENTS ILLUSTRATION *1 FUEL PRESSURE SENSOR (FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY) - -
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel
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Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) The hybrid vehicle control ECU has a self-diagnosis system. If the computer, hybrid control system, or a component is not working properly, the ECU records the conditions that relate to the fault. The ECU also illuminates the master warning light in the combination m
Check Bus 2 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and termin
