AUDIO AND VISUAL SYSTEM(for Radio Receiver Type) Speaker Circuit

DTC Code DTC Name
Speaker Circuit

DESCRIPTION

The radio receiver assembly sends sound signals to the speakers.

WIRING DIAGRAM

E183429E04

PROCEDURE

  1. CHECK SPEAKER

    1. Check the malfunctioning speakers.

      Table 1. Result

      Result

      Proceed to

      Malfunction in front speaker area

      A

      Malfunction in rear speaker area

      B

    INSPECT REAR SPEAKER ASSEMBLYClick here

  2. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

    1. Remove the front No. 1 speaker assembly (Click here).

    2. Inspect the front No. 1 speaker assembly (Click here).

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

    (Click here)

  3. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 1 SPEAKER)

    1. Disconnect the H11 radio receiver assembly connector.

    2. Disconnect the J2*1 and/or K2*2 front No. 1 speaker assembly connector.

      • *1: for RH Side

      • *2: for LH Side

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      for RH Side

      Tester Connection

      Condition

      Specified Condition

      H1-1 (FR+) - J2-1

      Always

      Below 1 Ω

      H1-5 (FR-) - J2-2

      H1-1 (FR+) - Body ground

      Always

      10 kΩ or higher

      H1-5 (FR-) - Body ground

      for LH Side

      Tester Connection

      Condition

      Specified Condition

      H1-2 (FL+) - K2-1

      Always

      Below 1 Ω

      H1-6 (FL-) - K2-2

      H1-2 (FL+) - Body ground

      Always

      10 kΩ or higher

      H1-6 (FL-) - Body ground

    REPLACE RADIO RECEIVER ASSEMBLY

    (Click here)

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. INSPECT REAR SPEAKER ASSEMBLY

    1. Remove the rear speaker assembly (Click here).

    2. Inspect the rear speaker assembly (Click here).

    REPLACE REAR SPEAKER ASSEMBLY

    (Click here)

  5. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER)

    1. Disconnect the H2 radio receiver assembly connector.

    2. Disconnect the L5*1 and/or M5*2 rear speaker assembly connector.

      • *1: for RH Side

      • *2: for LH Side

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      for RH Side

      Tester Connection

      Condition

      Specified Condition

      H2-1 (RR+) - L5-1

      Always

      Below 1 Ω

      H2-3 (RR-) - L5-2

      H2-1 (RR+) - Body ground

      Always

      10 kΩ or higher

      H2-3 (RR-) - Body ground

      for LH Side

      Tester Connection

      Condition

      Specified Condition

      H2-2 (RL+) - M5-1

      Always

      Below 1 Ω

      H2-6 (RL-) - M5-2

      H2-2 (RL+) - Body ground

      Always

      10 kΩ or higher

      H2-6 (RL-) - Body ground

    REPLACE RADIO RECEIVER ASSEMBLY

    (Click here)

    REPAIR OR REPLACE HARNESS OR CONNECTOR