LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 379 (Rear Seat Entertainment System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> Av Communication Circuit >> Diagnosis Procedure >> With BOSE CENTERPOINT Audio System

With BOSE CENTERPOINT Audio System

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK AV COMMUNICATION LOW CIRCUIT CONTINUITY 1 
    1. Turn ignition switch OFF.
    2. Disconnect Bose speaker amp. connector B120, combination meter M24, display control unit M92, multifunction switch M98, TCU M47, around view monitor control unit M96 and video distributor connector M156.
    3. Check continuity between Bose speaker amp. connector B120 and video distributor connector M156.

      Bose speaker amp.

      Video distributor

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      B120

      14

      M156

      40

      Yes
    4. Check continuity between Bose speaker amp. connector B120 and ground.

      Bose speaker amp.

      Ground

      Continuity

      Connector

      Terminal

      B120

      14

      --

      No

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace harness or connectors.

  2. CHECK AV COMMUNICATION LOW CIRCUIT CONTINUITY 2 
    1. Turn ignition switch OFF.
    2. Disconnect AV control unit connector M164.
    3. Check continuity between Bose speaker amp. connector B120 and AV control unit connector M164

      Bose speaker amp.

      AV control unit

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      B120

      15

      M164

      67

      Yes
    4. Check continuity between Bose speaker amp. connector B120 and ground.

      Bose speaker amp.

      Ground

      Continuity

      Connector

      Terminal

      B120

      15

      --

      No

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace harness or connectors.

  3. CHECK AV COMMUNICATION HIGH CIRCUIT CONTINUITY 1 
    1. Check continuity between Bose speaker amp. connector B120 and video distributor connector M156.

      Bose speaker amp.

      Video distributor

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      B120

      34

      M156

      20

      Yes
    2. Check continuity between Bose speaker amp. connector B120 and ground.

      Bose speaker amp.

      Ground

      Continuity

      Connector

      Terminal

      B120

      34

      --

      No

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace harness or connectors.

  4. CHECK AV COMMUNICATION HIGH CIRCUIT CONTINUITY 2 
    1. Check continuity between Bose speaker amp. connector B120 and AV control unit connector M164.

      Bose speaker amp.

      AV control unit

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      B120

      35

      M164

      87

      Yes
    2. Check continuity between Bose speaker amp. connector B120 and ground.

      Bose speaker amp.

      Ground

      Continuity

      Connector

      Terminal

      B120

      35

      --

      No

    Is the inspection result normal?

    YES

    Replace the Bose speaker amp. Refer to Removal and Installation .

    NO

    Repair or replace harness or connectors.

scientia non olet · About LEMON Manuals