Lexus NX: Fuel Pump Ecu

Components

COMPONENTS

ILLUSTRATION

*1

FUEL PUMP CONTROL ECU ASSEMBLY

*2

PARKING BRAKE ECU ASSEMBLY

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

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-

Removal

REMOVAL

PROCEDURE

1. REMOVE PARKING BRAKE ECU ASSEMBLY

Click here

2. REMOVE FUEL PUMP CONTROL ECU ASSEMBLY

(a) Remove the 2 nuts and fuel pump control ECU assembly.

NOTICE:

Do not reuse the fuel pump control ECU assembly if it has been dropped or subjected to a severe impact.

Installation

INSTALLATION

PROCEDURE

1. INSTALL FUEL PUMP CONTROL ECU ASSEMBLY

(a) Install the fuel pump control ECU assembly with the 2 nuts.

Torque:

12.5 N·m {127 kgf·cm, 9 ft·lbf}

NOTICE:

Do not reuse the fuel pump control ECU assembly if it has been dropped or subjected to a severe impact.

2. INSTALL PARKING BRAKE ECU ASSEMBLY

Click here

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 Fuel Sender Gauge Assembly

ComponentsCOMPONENTS ILLUSTRATION *1 FUEL SENDER GAUGE ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - RemovalREMOVAL PROCEDURE 1. REMOVE FUEL TANK ASSEMBLY Click he

 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

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 Front Sensor Communication Malfunction (C1AEC)

DESCRIPTION This DTC is stored when there is an open or short circuit in the communication line between the front sensors and the ECU, or when there is a malfunction in a front sensor. DTC No. Detection Item DTC Detection Condition Trouble Area C1AEC Front Sensor Communication Malfunc

 Speaker Circuit

DESCRIPTION If there is a short in a speaker circuit, the stereo component amplifier assembly detects it and stops output to the speakers. As a result, sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier assembly, DCM (telematics transceiver)* or

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