NAVIGATION SYSTEM, Diagnostic DTC:B1567

DTC Code DTC Name
B1567 Head Up Display Disconnected

DESCRIPTION

The combination meter mirror ECU and multi-media module 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 multi-media module receiver assembly, this DTC will be stored.

DTC Code DTC Detection Condition Trouble Area
B1567* A device that is listed in the AVC-LAN connected device record of the master unit is missing.

  • Combination meter mirror ECU

  • Multi-media module receiver assembly

  • Harness or connector

Tech Tips


  • *: Even if no fault is present, this DTC may be stored depending on the auxiliary battery condition or hybrid control system start voltage.

  • The multi-media module receiver assembly is the master unit.

WIRING DIAGRAM

A01FUROE21

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. CHECK DTC


    1. Recheck for DTCs and check if the same DTC is output again Click here.

      OK
      No DTCs are output.

    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - BATTERY AND BODY GROUND) Click here

    OK

    END (COMMUNICATION MALFUNCTION DUE TO NOISE)

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


    1. A01FTS4E01
      Text in Illustration
      *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
      P1-4 (ES) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      P1-2 (+B) - Body ground Always 11 to 14 V
      P1-5 (ACC) - Body ground Power switch on (ACC) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. A01FUVZE01

      Remove the multi-media module receiver assembly Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      24 (TX2+) - 25 (TX2-) Always 60 to 80 Ω

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - COMBINATION METER MIRROR ECU)


    1. Disconnect the N164 multi-media module receiver assembly connector.

    2. Disconnect the P1 combination meter mirror ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N164-24 (TX2+) - P1-11 (MPX1) Always Below 1 Ω
      N164-25 (TX2-) - P1-12 (MPX2) Always Below 1 Ω
      N164-24 (TX2+) - Body ground Always 10 kΩor higher
      N164-25 (TX2-) - Body ground Always 10 kΩor higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. REPLACE COMBINATION METER MIRROR ECU


    1. Replace the combination meter mirror ECU with a new or normally functioning one Click here.


    NEXT

  7. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  8. CHECK DTC


    1. Recheck for DTCs and check if the same DTC is output again Click here.

      OK
      No DTCs are output.

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

    END (COMBINATION METER MIRROR ECU IS DEFECTIVE)