NAVIGATION SYSTEM, Diagnostic DTC:B15DA

DTC Code DTC Name
B15DA Rear Console Recognition Disconnected

DESCRIPTION

The rear control switch and accessory meter assembly (for 12.3 Inch) or multi-display (for 8 Inch) are connected by the AVC-LAN communication line. When an AVC-LAN communication error occurs between the rear control switch and the multi-media module receiver assembly, this DTC will be stored.

DTC Code DTC Detection Condition Trouble Area
B15DA A device that is listed in the AVC-LAN connected device record of the master unit is missing.
  • Rear control switch

  • Accessory meter assembly (for 12.3 Inch)

  • Multi-display (for 8 Inch)

  • Harness or connector

WIRING DIAGRAM

A01FHC4E06

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
    OK
  3. CHECK HARNESS AND CONNECTOR (REAR CONTROL SWITCH - BATTERY AND BODY GROUND)


    1. A01FE7OE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Rear Control Switch)

      Disconnect the rear control switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Z1-5 (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
      Z1-1 (+B) - Body ground Always 11 to 14 V
      Z1-6 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V
      Z1-7 (IG+) - Body ground Engine switch on (IG) 11 to 14 V

    NG
    OK
  4. CHECK HARNESS AND CONNECTOR (REAR CONTROL SWITCH - ACCESSORY METER ASSEMBLY OR MULTI-DISPLAY)


    1. for 12.3 Inch


      1. Disconnect the Z1 rear control switch connector.

      2. Disconnect the N62 accessory meter assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Z1-14 (TX+) - N62-6 (TX1+) Always Below 1 Ω
        Z1-15 (TX-) - N62-18 (TX1-) Always Below 1 Ω
        Z1-14 (TX+) - Body ground Always 10 kΩ or higher
        Z1-15 (TX-) - Body ground Always 10 kΩ or higher
    2. for 8 Inch


      1. Disconnect the Z1 rear control switch connector.

      2. Disconnect the N155 multi-display connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Z1-14 (TX+) - N155-6 (TX1+) Always Below 1 Ω
        Z1-15 (TX-) - N155-18 (TX1-) Always Below 1 Ω
        Z1-14 (TX+) - Body ground Always 10 kΩ or higher
        Z1-15 (TX-) - Body ground Always 10 kΩ or higher

    NG
    OK
  5. REPLACE REAR CONTROL SWITCH


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


    NEXT
  6. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT
  7. CHECK DTC


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

      OK
      No DTCs are output

    NG
    OK