Dtc B1550 Dab Tuner Malfunction


DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

DTC B1550 DAB Tuner Malfunction

DTC B15A0 LAN Master Malfunction

DTC B15AD Navigation Processor Malfunction

DTC B15B0 Display Screen Malfunction

DTC B15B3 Radio Tuner Malfunction

DTC B15B4 CD Changer Malfunction

DTC B15B5 DVD Changer Malfunction

DTC B15B7 Bluetooth Module Malfunction


DESCRIPTION

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

DTC Code
DTC Detection Condition
Trouble Area
B1550
Digital radio tuner has a malfunction
Navigation receiver assembly
B15A0
When either of the conditions below is met:
  1. Bus malfunction
  2. EEPROM error
  3. DSP error
B15AD
When one of the conditions below is met:
  1. Short to ground or +B, or open occurs in gyro signal circuit
  2. Gyro sensor malfunction
  3. GPS receiver malfunction
B15B0
Picture circuit (TFT unit) malfunction
B15B3
When one of the conditions below is met:
  1. AM tuner PLL is unlocked
  2. FM tuner PLL is unlocked
  3. Tuner malfunction
B15B4
When one of the conditions below is met:
  1. Mechanical communication error
  2. Load/Eject malfunction
  3. Read malfunction
  4. Mechanical malfunction
B15B5
When one of the conditions below is met:
  1. Mechanical communication error
  2. Load/Eject malfunction
  3. Read malfunction
  4. Mechanical malfunction
B15B7
"Bluetooth" module malfunction

INSPECTION PROCEDURE

HINT:
When replacing the navigation receiver assembly, it is necessary to perform the vehicle contract setting for Connected Services (w/ Connected Services Function).
1.CHECK FOR DTC

  1. Clear the DTCs (LandCruiser RM0000011BU0W7X.html).

  1. Check for DTCs (LandCruiser RM0000011BU0W7X.html).

    OK:
    No DTCs are output.


NG
REPLACE NAVIGATION RECEIVER ASSEMBLY (LandCruiser RM000003B6H02GX.html)
OK

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)