AUDIO AND VISUAL SYSTEM(for 8 Speakers), Diagnostic DTC:B1567

DTC Code DTC Name
B1567 HUD Disconnected

DESCRIPTION

The multi-display and combination meter mirror ECU or multi-display and radio receiver assembly are connected by the AVC-LAN communication line. When an AVC-LAN communication error occurs between the combination meter mirror ECU and the radio receiver assembly, this DTC will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1567 HUD Disconnected A device that is listed in the AVC-LAN connected device record of the master unit is missing.

  • AVC-LAN communication line

  • Multi-display assembly

  • Combination meter mirror ECU

  • Radio receiver assembly

Tech Tips

For the AVC-LAN communication line, the radio receiver assembly is the master unit.

WIRING DIAGRAM


  1. w/ Stop and Start System

    A01XO40E01

  2. w/o Stop and Start System

    A01XPLWE10

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Tech Tips

w/ Stop and Start System:

The audio and visual system troubleshooting procedure is based on the premise that the stop and start system is operating normally. Check the stop and start system first before troubleshooting the audio and visual system.

Click here

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check that no DTCs are output.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - BATTERY AND BODY GROUND)


    1. B005BEUC03
      *a

      Front view of wire harness connector

      (to Combination Meter Mirror ECU)

      Disconnect the combination meter mirror ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J5-4 (ES) - Body ground Always Below 1 Ω

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

      Standard Voltage
      w/ Stop and Start System
      Tester Connection Condition Specified Condition
      J5-1 (IG) - Body ground Engine switch on (IG) 10.5 to 16 V
      J5-2 (B) - Body ground Always 11 to 14 V
      J5-5 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V
      w/o Stop and Start System
      Tester Connection Condition Specified Condition
      J5-1 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      J5-2 (B) - Body ground Always 11 to 14 V
      J5-5 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT RADIO RECEIVER ASSEMBLY


    1. A01XOJJE02

      Remove the radio receiver assembly.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      11 (TX4+) - 12 (TX4-) Always 60 to 80 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - MULTI-DISPLAY ASSEMBLY)


    1. Disconnect the J5 combination meter mirror ECU connector.

    2. Disconnect the I42 multi-display assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J5-12 (MPX1) - I42-6 (TX1+) Always Below 1 Ω
      J5-13 (MPX2) - I42-18 (TX1-) Always Below 1 Ω
      J5-12 (MPX1) or I42-6 (TX1+) - Body ground Always 10 kΩ or higher
      J5-13 (MPX2) or I42-18 (TX1-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK COMBINATION METER MIRROR ECU


    1. Replace the combination meter mirror ECU.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Recheck for DTCs and check that no DTCs are output.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (COMBINATION METER MIRROR ECU IS DEFECTIVE)

    NG

  6. CHECK MULTI-DISPLAY ASSEMBLY


    1. Replace the multi-display assembly.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Recheck for DTCs and check that no DTCs are output.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here