Lexus NX: Fuel Sender Gauge Assembly

Components

COMPONENTS

ILLUSTRATION

*1

FUEL SENDER GAUGE ASSEMBLY

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N*m (kgf*cm, ft.*lbf): Specified torque

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Removal

REMOVAL

PROCEDURE

1. REMOVE FUEL TANK ASSEMBLY

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2. REMOVE FUEL SENDER GAUGE ASSEMBLY

(a) Remove the 5 screws and fuel sender gauge assembly from the fuel tank assembly.

Inspection

INSPECTION

PROCEDURE

1. INSPECT FUEL SENDER GAUGE ASSEMBLY

(a) Check that the float moves smoothly between F and E.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

Float position is F

(upper)

13.5 to 16.5 Ω

Float position is 1/2

199.8 to 225.2 Ω

Float position is E

(lower)

405.5 to 414.5 Ω

If the value is not as specified, replace the fuel sender gauge assembly.

*a

Component without harness connected

(Fuel Sender Gauge Assembly)

Installation

INSTALLATION

PROCEDURE

1. INSTALL FUEL SENDER GAUGE ASSEMBLY

(a) Install the fuel sender gauge assembly to the fuel tank assembly with the 5 screws.

Torque:

1.5 N·m {15 kgf·cm, 13 in·lbf}

2. INSTALL FUEL TANK ASSEMBLY

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READ NEXT:

 Fuel System

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FUEL INJECTOR ASSEMBLY *2 FUEL PUMP *3 FUEL SENDER GAUGE ASSEMBLY *4 EFI-MAIN RELAY *5 EFI-MAIN NO. 2 RELAY *6 ECM *7 FUEL PUMP CONTR

 System Diagram

SYSTEM DIAGRAM

SEE MORE:

 Power Source Voltage Malfunction (C1782)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate C1782 Power Source Voltage Malfunction While the power switch is on (IG), the voltage at terminal B is 10 V or less, or 16 V or higher for 0.5 seconds. AVS fuse Auxiliary battery Char

 Fail-safe Chart

FAIL-SAFE CHART LED HEADLIGHT SYSTEM The headlight assembly (light control LED ECU) operates in fail-safe mode if any of the following abnormalities are detected. Item Abnormality Detection Condition Return Condition Multi-information Display Abnormal input voltage (High input voltage)

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