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 Code DTC Detection Condition Trouble Area
B1552 Internal malfunction of the navigation ECU Navigation ECU
B158A Screen noise adjustment fails
B15B7 Bluetooth Module Malfunction

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE NAVIGATION ECU Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here