S Nissan Sentra Manuals Library
Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Quick access Sentra Docs
B18 Owner's 2020-2025 Sentra owner information B18 Service 2020-2025 Sentra Workshop manual B17 Owner's 2013-2019 Sentra owner documentation B17 Service 2013-2019 Sentra service information

Nissan Sentra B18 (2020-2025) Service Manual: Cushion Heater Rh

Component Function Check

Component Function Check

  1. CHECK FUNCTION

    1. Check that cushion heater RH warms to the preset temperature when operating the heated seat switch RH to HIGH and LOW.

    Is the inspection result normal?

    YES>>

    Cushion heater RH function is OK.

    NO>>

    Refer to Diagnosis Procedure.

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FRONT SEAT HEATER RH POWER SUPPLY

      1. Ignition switch ON.

      2. Check voltage between front seat heater RH harness connector and ground.

        (+)

        (–)

        Condition

        Voltage

        (Approx.)

        Front seat heater RH

        Connector

        Terminal

        B13

        3

        Ground

        Heated seat switch RH (HIGH)

        ON

        Battery voltage

        Other than above

        0 V

        4

        Heated seat switch RH (LOW)

        ON

        Battery voltage

        Other than above

        0 V

    Is the inspection result normal?

    YES>>

    GO TO 3.

    NO>>

    GO TO 2.

  2. CHECK FRONT SEAT HEATER RH CIRCUIT

      1. Turn heated seat switch OFF.

      2. Ignition switch OFF.

      3. Disconnect front seat heater RH connector, heated seat RH low relay connector and heated seat RH high relay connector.

      4. Check continuity between front seat heater RH harness connector, heated seat RH low relay harness connector and heated seat RH high relay harness connector.

        Front seat heater RH

        Heated seat RH relay

        Continuity

        Connector

        Terminal

        Connector

        Terminal

        B13

        3

        High

        M144

        3

        Yes

        4

        Low

        M147

      5. Check continuity between front seat heater RH harness connector and ground.

        Front seat heater RH

        (–)

        Continuity

        Connector

        Terminal

        B13

        3

        Ground

        No

        4

    Is the inspection result normal?

    YES>>

    Replace corresponding heated seat RH relay.

    NO>>

    Repair or replace harness.

  3. CHECK FRONT SEAT HEATER RH GROUND CIRCUIT

      1. Ignition switch OFF.

      2. Disconnect front seat heater RH connector.

      3. Check continuity between front seat heater RH harness connector and ground.

        Front seat heater RH

        (–)

        Continuity

        Connector

        Terminal

        B13

        6

        Ground

        Yes

    Is the inspection result normal?

    YES>>

    Replace front seat heater RH. Refer to Exploded View.

    NO>>

    Repair or replace harness.

    Cushion Heater Lh
    Component Function Check Component Function Check CHECK FUNCTION Check that cushion heater LH warms to the preset temperature when operating the heated seat switch LH to HIGH an...
    Seat Heater Lh (back)
    Component Function Check Component Function Check CHECK FUNCTION Check that the seat heater LH (back) warms to the preset temperature when operating the heated seat switch LH to...

    Other materials:

    Distance Sensor
    Values on the Diagnosis Tool Values On The Diagnosis Tool Note: The following table includes information (items) inapplicable to this Nissan Sentra vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items. ...

    P0139 Ho2s2
    Dtc Description DTC Description The heated oxygen sensor 2 has a much longer switching time between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen storage capacity of the three way catalyst 1 causes the longer switching time. To judge the malfunctions of heated oxy ...

    Precaution. Precautions
    Precautions Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner" Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, u ...