Toyota Tacoma manuals

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

1.

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.

OK

USE SIMULATION METHOD TO CHECK

NG

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 ...

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