Nissan Altima 2007-2012 Service Manual: P0462, P0463 fuel level sensor

Description

The fuel level sensor is mounted in the fuel level sensor unit.

The sensor detects a fuel level in the fuel tank and transmits a signal to the combination meter. The combination meter sends the fuel level sensor signal to the ECM through CAN communication line.

It consists of two parts, one is mechanical float and the other is variable resistor. Fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

DTC Logic

DTC DETECTION LOGIC

NOTE: • If DTC P0462 or P0463 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.

• If DTC P0462 or P0463 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to EC-361, "DTC Logic".

This diagnosis indicates the former, to detect open or short circuit malfunction.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is between 11V and 16V at ignition switch ON.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON and wait at least 5 seconds.

2. Check 1st trip DTC.

Is 1st trip DTC detected? YES >> Go to EC-346, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK COMBINATION METER FUNCTION

Refer to MWI-46, "Component Function Check".

Is the inspection result normal? YES >> GO TO 2.

NO >> Go to EC-343, "Diagnosis Procedure".

2.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

    P0461 fuel level sensor
    Description The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the combination meter. The combination me ...

    P0500 VSS
    Description The vehicle speed signal is sent to the combination meter from the “ABS actuator and electric unit (control unit)” by CAN communication line. The combination meter then sends a si ...

    Other materials:

    List of voice commands
    When you press and release the button on the steering wheel, you can choose from the commands on the Main Menu. The following pages describe these commands and the commands in each sub-menu. Remember to wait for the tone before speaking. After the main menu, you can say “Help” to h ...

    Rear combination lamp
    Bulb Replacement Removal 1. Remove the rear combination lamp. Refer to EXL-260, "Removal and Installation". 2. Turn the rear turn signal lamp bulb socket counterclockwise and remove it. 3. Remove the rear turn signal lamp bulb. Installation Installation is in the reverse order ...

    B1129 – B1132 side airbag module RH
    Description DTC B1129 – B1132 FRONT RH SIDE AIR BAG MODULE The front RH side air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the front RH side air bag module. PART LOCATION Refer to SRC- ...