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: Power Supply and Ground Circuit. Diagnosis Procedure

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE

    1. Check that the following fuse is not blown:

      Terminal No.

      Signal name

      Fuse No.

      Capacity

      12

      Ignition power supply

      49

      10 A

    Is the fuse blown?

    YES>>

    Replace the blown fuse after repairing the affected circuit.

    NO>>

    GO TO 2.

  2. CHECK POWER SUPPLY CIRCUIT

      1. Ignition switch OFF.

      2. Disconnect sonar control unit connector.

      3. Check voltage between sonar control unit connector and ground.

        (+)

        (–)

        Condition

        Voltage

        (Approx.)

        Sonar control unit

        Connector

        Terminal

        B87

        12

        Ground

        Ignition switch: ON

        Battery voltage

    Is the inspection result normal?

    YES>>

    GO TO 3.

    NO>>

    Repair or replace harness or connectors.

  3. CHECK GROUND CIRCUIT

      1. Ignition switch OFF.

      2. Check continuity between sonar control unit connector and ground.

        Sonar control unit

        —

        Continuity

        Connector

        Terminal

        B87

        15

        Ground

        Yes

    Is the inspection result normal?

    YES>>

    Inspection End.

    NO>>

    Repair or replace harness or connectors.

    U215b Can Comm Err (ipdm E/r)
    Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition U215B–87 CAN comm err (IPDM E/R) [CAN comm...
    Sonar System. Symptom Diagnosis. Sonar System. Symptom Table
    Sonar System. Symptom Table Symptom Table Symptom Table Symptom Possible cause Reference page Malfunction is detected in only 1 sensor of display (Always displayed in red). Sona...

    Other materials:

    Rear Brake Assembly
    Exploded View Exploded View 1. Bleeder Cap 2. Back plate 3. Shoe hold ...

    Symptom Diagnosis. Overheating Cause Analysis
    Overheating Cause Analysis Diagnosis Chart by Symptom Diagnosis Chart by Symptom   Symptom Inspection item Cooling system ...

    Removal and Installation
    Av Control Unit Exploded View Exploded View 1. AV control unit bracket (LH) 2. AV control unit ...