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

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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

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    NG

    REPLACE NAVIGATION ECU

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