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Nissan Sentra B18 (2020-2025) Service Manual: B130b Rear Rh Speaker

Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Display Audio Without Bose with 8" Color Display / Dtc/circuit Diagnosis / B130b Rear Rh Speaker

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B130B–13

Rear RH speaker

(Rear speaker RH)

[OPEN]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

  • RR SP RH+ (terminal 13)

  • RR SP RH− (terminal 14)

Threshold

–

Diagnosis delay time

30 seconds or more

B130B–1C

[SHORT]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

  • RR SP RH+ (terminal 13)

  • RR SP RH− (terminal 14)

Threshold

–

Diagnosis delay time

30 seconds or more

B130B–11

[GND–SHORT]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

  • RR SP RH+ (terminal 13)

  • RR SP RH− (terminal 14)

Threshold

–

Diagnosis delay time

30 seconds or more

B130B–12

[VB–SHOR]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

  • RR SP RH+ (terminal 13)

  • RR SP RH− (terminal 14)

Threshold

–

Diagnosis delay time

30 seconds or more

POSSIBLE CAUSE

FAIL-SAFE

Rear speaker RH inoperative

Dtc Confirmation Procedure

DTC Confirmation Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. CONSULT

      1. Ignition switch ON.

      2. Ignition switch OFF and wait at least 30 seconds.

      3. Ignition switch ON and wait at least 30 seconds or more.

      4. Select “Self Diagnostic Result” mode of “MULTI AV”.

      5. Check DTC.

    Is DTC B130B detected?

    YES>>

    Proceed to DTC Diagnosis Procedure.

    NO>>

    To check malfunction symptom before repair: Refer to Intermittent Incident.

    NO>>

    Confirmation after repair: Inspection End.

Diagnosis Procedure

Diagnosis Procedure

  1. DETERMINE MALFUNCTION TYPE

    1. CONSULT

      1. Ignition switch ON.

      2. Ignition switch OFF and wait at least 30 seconds.

      3. Ignition switch ON and wait at least 30 seconds or more.

      4. Select “Self Diagnostic Result” mode of “MULTI AV”.

      5. Check DTC.

    Is DTC B130B–11, 12, 13 or 1C detected?

    YES>>

    13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

    YES>>

    1C [SHORT] – GO TO 3.

    YES>>

    12 [VB–SHOR] – GO TO 4.

    NO>>

    Refer to Intermittent Incident.

  2. CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

      1. Ignition switch OFF.

      2. Disconnect AV control unit connector and rear speaker RH connector.

      3. Check the continuity between AV control unit connector and rear speaker RH connector.

        AV control unit

        Rear speaker RH

        Continuity

        Connector

        Terminal

        Connector

        Terminal

        M103

        13

        B38

        1

        Yes

        14

        2

      4. Check the continuity between AV control unit connector and ground.

        AV control unit

        —

        Continuity

        Connector

        Terminal

        M103

        13

        Ground

        No

        14

    Is the inspection result normal?

    YES>>

    GO TO 5.

    NO>>

    Repair or replace harness or connectors.

  3. CHECK SOUND SIGNAL CIRCUITS FOR SHORT

      1. Ignition switch OFF.

      2. Disconnect AV control unit connector and rear speaker RH connector.

      3. Check the continuity between the terminals of AV control unit connector.

        AV control unit

        Continuity

        Connector

        Terminal

        M103

        13

        14

        No

    Is the inspection result normal?

    YES>>

    GO TO 5.

    NO>>

    Repair or replace harness or connectors.

  4. CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

      1. Ignition switch OFF.

      2. Disconnect AV control unit connector and rear speaker RH connector.

      3. Ignition switch ON.

      4. Check the voltage between AV control unit connector and ground.

        AV control unit

        —

        Voltage

        (Approx.)

        Connector

        Terminal

        M103

        13

        Ground

        0 V

        14

    Is the inspection result normal?

    YES>>

    GO TO 5.

    NO>>

    Repair or replace harness or connectors.

  5. CHECK REAR RH SPEAKER SIGNAL

      1. Connect AV control unit connector and rear speaker RH connector.

      2. Ignition switch ON.

      3. AV control unit ON.

      4. Check signal between the terminals of AV control unit connector.

        AV control unit

        Condition

        Reference value

        Connector

        (+)

        (−)

        Terminals

        M103

        13

        14

        Audio signal output

    Is the inspection result normal?

    YES>>

    Replace rear speaker RH. Refer to Removal and Installation.

    NO>>

    Replace AV control unit. Refer to Removal and Installation.

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