Toyota 4Runner manuals

Toyota 4Runner: HD Radio Tuner Malfunction (B1551,B15A0,B15AD,B15B0,B15B3,B15B4,B15B7)

Toyota 4Runner Service Manual / Audio / Visual / Telematics / 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:

  • A short to ground, short to +B or open occurs in the 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

CAUTION / NOTICE / HINT

NOTICE:

After replacing the navigation receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary.

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs (See page ).


(b) Recheck for DTCs and check if the same DTC are 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)
DESCRIPTION DTC No. DTC Detection Condition Trouble Area B1532 When one of the conditions below is met: Stereo component tun ...

Voice Recognition Microphone Disconnected (B1579)
DESCRIPTION The navigation receiver assembly and map light assembly (telephone microphone assembly) are connected to each other using the microphone connection detection signal lines. This DTC i ...

Other materials about Toyota 4Runner:

Removal
REMOVAL PROCEDURE 1. REMOVE NO. 1 INSTRUMENT CLUSTER FINISH PANEL GARNISH 2. REMOVE NO. 2 INSTRUMENT CLUSTER FINISH PANEL GARNISH 3. REMOVE HEATER CONTROL ASSEMBLY 4. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY 5. REMOVE SHIFT LEVER KNOB SUB-ASSEMBL ...

Engine (ignition) switch (vehicles without a smart key system)
Starting the engine Check that the parking brake is set. Check that the shift lever is set in P. Firmly depress the brake pedal. Turn the engine switch to the “START” position to start the engine. Changing the engine switch positions 1. ...

© 2016-2020 | www.to4runner.net

0.0059