NAVIGATION SYSTEM, Diagnostic DTC:B1550, B15A0, B15AD, B15B0, B15B3, B15B4, B15B7

DTC Code	DTC Name
B1550	DAB Tuner Malfunction
B15A0	LAN Master Malfunction
B15AD	Navigation Processor Malfunction
B15B0	Display Screen Malfunction
B15B3	Radio Tuner Malfunction
B15B4	CD Changer Malfunction
B15B7	Bluetooth Module Malfunction

DESCRIPTION

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1550	DAB Tuner Malfunction	Digital radio tuner has a malfunction	Navigation receiver assembly
B15A0	LAN Master Malfunction	When one of the conditions below is met: Bus malfunction EEPROM error	Navigation receiver assembly
B15AD	Navigation Processor Malfunction	When one of the conditions below is met: Short to ground or +B, or open occurs in gyro signal circuit Gyro sensor malfunction GPS receiver malfunction	Navigation receiver assembly
B15B0	Display Screen Malfunction	Picture circuit (TFT unit) malfunction	Navigation receiver assembly
B15B3	Radio Tuner Malfunction	When one of the conditions below is met: AM tuner PLL is unlocked FM tuner PLL is unlocked Tuner malfunction	Navigation receiver assembly
B15B4	CD Changer Malfunction	When one of the conditions below is met: Mechanical communication error Load/Eject malfunction Read malfunction Mechanical malfunction	Navigation receiver assembly
B15B7	Bluetooth Module Malfunction	"Bluetooth" module malfunction	Navigation receiver assembly

CAUTION / NOTICE / HINT

Note

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

PROCEDURE

CHECK FOR DTC

Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK
No DTCs are output.

Result

Proceed to
OK
NG

USE SIMULATION METHOD TO CHECK Click here

REPLACE NAVIGATION RECEIVER ASSEMBLY Click here