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: Moonroof Does Not Operate Properly. Diagnosis Procedure

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

    1. Check BCM power supply and ground circuit.

      Refer to Diagnosis Procedure.

    Is the inspection result normal?

    YES >>

    GO TO 2.

    NO >>

    Repair or replace malfunctioning parts.

  2. CHECK MOONROOF MOTOR ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT

    1. Check moonroof motor assembly power supply and ground circuit.

      Refer to Component Function Check.

    Is the inspection result normal?

    YES >>

    Check intermittent incident. Refer to Intermittent Incident.

    NO >>

    Repair or replace malfunctioning parts.

    Auto Operation Does Not Operate. Diagnosis Procedure
    Diagnosis Procedure Diagnosis Procedure PERFORM INITIALIZATION PROCEDURE Perform initialization procedure. Refer to Description. Is the inspection result normal? YES >> In...

    Other materials:

    Illumination Control Switch Signal Circuit
    Diagnosis Procedure Diagnosis Procedure CHECK COMBINATION METER INPUT SIGNAL Ignition switch ON. Check voltage between the following terminals of the illumination co ...

    Rear Bumper
    Exploded View Exploded View EXCEPT FOR SR 1. Rear bumper side bracket (LH) 2. Rear bumper reinforcement support (L ...

    ECO mode switch
    The ECO mode in the Nissan Sentra is designed to improve fuel efficiency by optimizing throttle response and transmission shift points during normal driving conditions. To activate ECO mode, press the ECO mode switch. When enabled, the ECO mode indicator light on the meter or vehicle inform ...