Toyota Tacoma (2015-2018) Service Manual: HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B4,B15B7)

Toyota Tacoma (2015-2018) Service Manual / Audio / Video / Audio And Visual System / HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B4,B15B7)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the radio and display 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	Radio and display receiver assembly
B158D	The internal video signal of the radio and display receiver assembly is interrupted.
B15A0	When either condition below is met: Bus malfunction EEPROM error
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 RADIO AND DISPLAY RECEIVER ASSEMBLY

LVDS Signal Malfunction (from Extension Module) (B1532)

DESCRIPTION The stereo component tuner assembly and the radio and display receiver assembly are connected by an LVDS communication line. This DTC is stored when an LVDS communication error occurs ...

Extension Module Malfunction (B1552,B158A,B15BA)

DESCRIPTION These DTCs are stored when a malfunction occurs in the stereo component tuner assembly. DTC No. DTC Detection Condition Trouble Area B ...

Other materials:

Reservoir Level Switch Disconnected (C1453,C1454)
DESCRIPTION The brake fluid level warning switch sends the appropriate signal to the skid control ECU (master cylinder solenoid) when the brake fluid level drops. DTC Code DTC Detection Condition Trouble Area C1453 With the ECU termina ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT GARAGE DOOR OPENER (a) Press each switch and check that the red LED turns on. If one or more of the switches does not turn on the LED, confirm normal operation of the fuse and wire harness. If the fuse and wire harness are malfunctioni ...

Inspection
INSPECTION PROCEDURE 1. INSPECT TRANSMISSION WIRE (a) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Component without harness connected (Transmission Wire) Standard Resistance: ...