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DTC    B1550    DAB Tuner Malfunction

DTC    B15A0    LAN Master Malfunction

DTC    B15AD    Navigation Processor Malfunction

DTC    B15B0    Display Screen Malfunction

DTC    B15B3    Radio Tuner Malfunction

DTC    B15B4    CD Changer Malfunction

DTC    B15B5    DVD Changer Malfunction

DTC    B15B7    Bluetooth Module Malfunction

for Preparation Click here


DESCRIPTION

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

DTC No.
DTC Detection Condition
Trouble Area
B1550
When one of the conditions below is met:
  1. DAB tuner decoder malfunction
  2. DAB tuner audio output section malfunction
  3. DAB tuner decoder RF/IF malfunction
  4. DAB tuner control communication error
  5. DAB tuner TPEG communication error
  6. DAB tuner OFDM error
  7. DAB tuner memory error
Navigation ECU sub-assembly
B15A0
When either condition below is met:
  1. Bus malfunction
  2. EEPROM error
B15AD
When one of the conditions below is met:
  1. A short to ground, short to +B or open occurs in the gyro signal circuit
  2. Gyro sensor malfunction
  3. GPS receiver malfunction
B15B0
Picture circuit (TFT unit) malfunction
B15B3
When one of the conditions below is met:
  1. AM tuner PLL is unlocked
  2. FM tuner PLL is unlocked
  3. Tuner malfunction
B15B5
When one of the conditions below is met:
  1. Mechanism drive signal malfunction
  2. Load/Eject malfunction
  3. Read mechanism malfunction
  4. Mechanical malfunction
B15B7
"Bluetooth" module malfunction

INSPECTION PROCEDURE

1.CHECK DTC

  1. Clear the DTCs (Click here).

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

    OK:
    No DTCs are output.



NG
REPLACE NAVIGATION ECU SUB-ASSEMBLY (Click here)
OK

USE SIMULATION METHOD TO CHECK (Click here)