Lexus ES manuals

Lexus ES: Inspection

INSPECTION

PROCEDURE

1. INSPECT FUEL PRESSURE SENSOR (FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY)

NOTICE:

  • Do not remove the fuel pressure sensor from the fuel delivery pipe with sensor assembly.
  • If the fuel pressure sensor is removed, replace the fuel pressure sensor (fuel delivery pipe with sensor assembly) with a new one.

(a) Check the fuel pressure sensor (fuel delivery pipe with sensor assembly) output voltage.

(1) Apply 5 V between terminals 1 (VC) and 3 (E2).

NOTICE:

  • Be careful when connecting the leads, as the fuel pressure sensor (fuel delivery pipe with sensor assembly) may be damaged if the leads are connected to the wrong terminals.
  • Do not apply more than 6 V to terminals 1 (VC) or 3 (E2).

HINT:

If a stable power supply is not available, connect 4 nickel-metal hydride batteries (1.2 V each) or equivalent in series.

*a

Component without harness connected

(Fuel Pressure Sensor (Fuel Delivery Pipe with Sensor Assembly))

*b

Voltage Applied between Terminals

(2) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

2 (PFL) - 3 (E2)

Pressure not applied to fuel pressure sensor (fuel delivery pipe with sensor assembly)

Approximately 0.57 to 0.95 V*

*: The output voltage changes depending on the voltage applied to the terminals.

If the result is not as specified, replace the fuel pressure sensor (fuel delivery pipe with sensor assembly).

*a

Component without harness connected

(Fuel Pressure Sensor (Fuel Delivery Pipe with Sensor Assembly))

READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL FUEL PRESSURE SENSOR (FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY) HINT: Perform "Inspection After Repair" after replacing the fuel pressure sensor (fuel delivery pipe wi

 Fuel Pressure Sensor (for High Pressure)

 Components

COMPONENTS ILLUSTRATION *A w/ Dust Cap - - *1 FUEL PRESSURE SENSOR (FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY LH) *2 FUEL PIPE PLUG SUB-ASSEMBLY *3 DUST CAP SUB-ASSEMBLY *4

SEE MORE:

 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 engine coolant temperature sensor removal/installation are shown below. Necessary Procedures After Part

 Fail-safe Chart

FAIL-SAFE CHART Description The fail-safe function minimizes the loss of operation when a malfunction occurs in a sensor or solenoid. Fail-safe (a) Fail-safe control list: Malfunctioning Part Function Transmission Revolution Sensor (NT) Lock up clutch control is prohibited. High resp

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