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.

Nissan Sentra B18 (2020-2025) Service Manual / Body Interior / Seat :: Symptom Diagnosis / High Mode of Heated Seat Does Not Operate. Diagnosis Procedure

Nissan Sentra B18 (2020-2025) Service Manual: High Mode of Heated Seat Does Not Operate. Diagnosis Procedure

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK HEATED SEAT RELAY

    1. Check heated seat relay.

      Refer to Component Function Check (LH) or Component Function Check (RH).

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Repair or replace the malfunctioning parts.

  2. CHECK CUSHION HEATER

    1. Check cushion heater.

      Refer to Component Function Check (LH) or Component Function Check (RH).

    Is the inspection result normal?

    YES >>

    GO TO 3.

    NO >>

    Repair or replace the malfunctioning parts.

  3. REPLACE A/C AUTO AMP. OR A/C AMP.

    1. Replace A/C auto amp. (with auto A/C) or A/C amp. (with manual A/C). Refer to Removal and Installation (with auto A/C) or Removal and Installation (with manual A/C).

    Is the inspection result normal?

    YES >>

    Inspection End.

    NO >>

    Check intermittent incident. Refer to Intermittent Incident.

    Heated Seat Does Not Operate. Diagnosis Procedure
    Diagnosis Procedure Diagnosis Procedure CHECK HEATED SEAT RELAY Check heated seat relay. Refer to Component Function Check (LH) or Component Function Check (RH). Is the inspecti...
    Low Mode of Heated Seat Does Not Operate. Diagnosis Procedure
    Diagnosis Procedure Diagnosis Procedure CHECK HEATED SEAT RELAY Check heated seat relay. Refer to Component Function Check (LH) or Component Function Check (RH). Is the inspecti...

    Other materials:

    Heated Seat Rh Relay
    Component Function Check Component Function Check CHECK HEATED SEAT RH RELAY FUNCTION Check that seat cushion and seat back warm to the preset temperature when operating the heated seat switch RH to HIGH and LOW. ...

    System
    Body Control System System Description System Description OUTLINE The BCM controls the various electrical components. It inputs the information required for control via CAN communication and the signal received from each switch and sensor. The BCM ...

    U0101 Can Comm Circuit
    Dtc Description DTC Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-Nissan Sentra vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control un ...