NAVIGATION SYSTEM(for Radio and Display Type), Diagnostic DTC:B1552, B158A, B15B7

DTC Code DTC Name
B1552 Extension Module Malfunction
B158A Extension Module Noise Adjustment Malfunction
B15B7 Bluetooth Module Malfunction

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation ECU.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1552 Extension Module Malfunction Internal malfunction of the navigation ECU Navigation ECU
B158A Extension Module Noise Adjustment Malfunction Screen noise adjustment fails Navigation ECU
B15B7 Bluetooth Module Malfunction Bluetooth Module Malfunction Navigation ECU

CAUTION / NOTICE / HINT

Note

Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Check for DTCs.

      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

    REPLACE NAVIGATION ECU Click here