Toyota Venza: HD Radio Tuner Malfunction (B1551,B15A0,B15AD,B15B0,B15B3,B15B4,B15B7)

Toyota Venza Service Manual / Navigation / Multi Info Display / Navigation System / HD Radio Tuner Malfunction (B1551,B15A0,B15AD,B15B0,B15B3,B15B4,B15B7)

DESCRIPTION

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

DTC No.	DTC Detection Condition	Trouble Area
B1551	When any of the following conditions is met: "HD Radio" tuner decoder malfunction "HD Radio" tuner audio output section malfunction "HD Radio" tuner decoder RF/IF malfunction	Navigation receiver assembly
B15A0	When either of the following conditions is met: Bus malfunction EEPROM error
B15AD	When any of the following conditions is met: Short to ground or +B or open occurs in gyro signal circuit Gyro sensor malfunction GPS receiver malfunction
B15B0	Picture circuit (TFT unit) malfunction
B15B3	When any of the following conditions is met: AM tuner PLL is unlocked FM tuner PLL is unlocked Tuner malfunction
B15B4	When any of the following conditions is met: Mechanism drive signal malfunction Load/Eject malfunction Read mechanism malfunction Mechanical malfunction
B15B7	"Bluetooth" module malfunction

PROCEDURE

CHECK DTC

(a) Clear the DTCs (See page ).

(b) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.

USE SIMULATION METHOD TO CHECK

REPLACE NAVIGATION RECEIVER ASSEMBLY

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