Toyota Tacoma 2015-2018 Service Manual: HD Radio Tuner Malfunction (B1551,B15A0,B15AD,B15B0,B15B3,B15B4,B15B7)

Toyota Tacoma 2015-2018 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 one of the conditions below 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 condition below is met: Bus malfunction EEPROM error
B15AD	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
B15B0	Picture circuit (TFT unit) malfunction
B15B3	When one of the conditions below is met: AM tuner PLL is unlocked FM tuner PLL is unlocked Tuner malfunction
B15B4	When one of the conditions below 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 if the same DTC is output again. ).

(b) Recheck for DTCs and check if the same DTC is output again.

OK:

No DTCs are output.

USE SIMULATION METHOD TO CHECK

REPLACE NAVIGATION RECEIVER ASSEMBLY

LVDS Signal Malfunction (from Extension Module) (B1532,B156C)

DESCRIPTION DTC Code DTC Detection Condition Trouble Area B1532 When one of the conditions below is met: Video signal (digit ...

Extension Module Malfunction (B1552,B158A,B15BA)

DESCRIPTION These DTCs are stored when a malfunction occurs in the extension module. DTC Code DTC Detection Condition Trouble Area B1552 ...

Other materials:

Accumulator Low Pressure (C1256)
DESCRIPTION The accumulator pressure sensor is connected to the skid control ECU in the master cylinder solenoid. DTC No. DTC Detecting Condition Trouble Areas C1256 Fluid pressure inside the accumulator drops below the specification ...

Rear Airbag Sensor LH Circuit Malfunction (B1635/24)
DESCRIPTION The airbag sensor LH consists of parts such as the safing sensor, the diagnostic circuit and the lateral deceleration sensor. When the airbag sensor assembly receives signals from the lateral deceleration sensor, it determines whether or not the SRS should be activated. DTC B1635/ ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or sig ...