Toyota Venza manuals

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

1.

CHECK DTC

(a) Clear the DTCs (See page ).


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

OK:

No DTCs are output.


OK

USE SIMULATION METHOD TO CHECK


NG

REPLACE NAVIGATION RECEIVER ASSEMBLY

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