NAVIGATION SYSTEM, Diagnostic DTC:B15DA

DTC Code DTC Name
B15DA Rear Console Recognition Disconnected

DESCRIPTION

The rear control switch and radio receiver assembly are connected by the AVC-LAN communication line.

This DTC is stored when an AVC-LAN communication error occurs between the rear control switch and radio receiver assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15DA Rear Console Recognition Disconnected A device that is listed in the AVC-LAN connected device record of the master unit is missing

  • Rear control switch power source circuit

  • AVC-LAN circuit between rear cooler switch and multi-display*1 or accessory meter assembly*2

  • Rear control switch

  • Multi-display*1

  • Accessory meter assembly*2

  • Harness or connector

WIRING DIAGRAM

B002DSOE01

CAUTION / NOTICE / HINT

Note


  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

    Click here

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

PROCEDURE


  1. CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)


    1. Check for optional components.


      1. Check that optional components (including associated wiring) which generate radio waves are not installed.

        Result
        Result Proceed to
        Optional components (including associated wiring) are installed. A
        Optional components (including associated wiring) are not installed. B

        Tech Tips


        • Electrical noise from radio waves generated by optional components or the wiring for those components may affect AVC-LAN communication.

        • This DTC may be stored when an AVC-LAN communication error occurs due to electrical noise.


    B

    GO TO STEP 3 Click here

    A

  2. REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)


    1. Remove optional components (including associated wiring).

      Note

      Do not remove optional components or associated wiring without the permission of the customer.

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check if the same DTC is output again.

      Click here


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

    OK

    END (COMMUNICATION MALFUNCTION DUE TO NOISE)

    NG

  4. CHECK HARNESS AND CONNECTOR (REAR CONTROL SWITCH POWER SOURCE)


    1. Disconnect the rear control switch connector.

    2. B002CRFC04
      *a

      Front view of wire harness connector

      (to Rear Control Switch)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      e1-5 (E) - 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
      e1-1 (+B) - Body ground Always 11 to 14 V
      e1-6 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V
      e1-7 (IG+) - Body ground Engine switch on (IG) 11 to 14 V
      Result
      Result Proceed to
      OK (for 8 Inch Display) A
      OK (for 12 Inch Display) B
      NG C

    B

    CHECK HARNESS AND CONNECTOR (REAR CONTROL SWITCH - ACCESSORY METER ASSEMBLY) Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

  5. CHECK HARNESS AND CONNECTOR (REAR CONTROL SWITCH - MULTI-DISPLAY)


    1. Disconnect the e1 rear control switch connector.

    2. Disconnect the K52 multi-display connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      e1-14 (TX+) - K52-6 (TX1+) Always Below 1 Ω
      e1-15 (TX-) - K52-18 (TX1-) Always Below 1 Ω
      e1-14 (TX+) - Body ground Always 10 kΩ or higher
      e1-15 (TX-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. REPLACE REAR CONTROL SWITCH


    1. Replace the rear control switch with a new or normally functioning one.

      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
      Result
      Proceed to
      OK
      NG

    OK

    END (REAR CONTROL SWITCH WAS DEFECTIVE)

    NG

    REPLACE MULTI-DISPLAY Click here

  7. CHECK HARNESS AND CONNECTOR (REAR CONTROL SWITCH - ACCESSORY METER ASSEMBLY)


    1. Disconnect the e1 rear control switch connector.

    2. Disconnect the K126 accessory meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      e1-14 (TX+) - K126-6 (TX1+) Always Below 1 Ω
      e1-15 (TX-) - K126-18 (TX1-) Always Below 1 Ω
      e1-14 (TX+) - Body ground Always 10 kΩ or higher
      e1-15 (TX-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. REPLACE REAR CONTROL SWITCH


    1. Replace the rear control switch with a new or normally functioning one.

      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
      Result
      Proceed to
      OK
      NG

    OK

    END (REAR CONTROL SWITCH WAS DEFECTIVE)

    NG

    REPLACE ACCESSORY METER ASSEMBLY Click here