Toyota CH-R Service Manual: HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B7,B15BA)

Toyota CH-R Service Manual / Audio / Video / Audio And Visual System(for Radio And Display Type) / HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B7,B15BA)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the radio and display receiver assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1551

HD Radio Tuner Malfunction

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

Radio and display receiver assembly

B158D

Video Signal Stoppage

The internal video signal of the radio and display receiver assembly is interrupted

Radio and display receiver assembly

B15A0

LAN Master Malfunction

When either of the following conditions is met:

  • Bus malfunction
  • EEPROM error

Radio and display receiver assembly

B15B0

Display Screen Malfunction

Picture circuit (TFT unit) malfunction

Radio and display receiver assembly

B15B3

Radio Tuner Malfunction

When any of the following conditions is met:

  • AM tuner PLL is unlocked
  • FM tuner PLL is unlocked
  • Tuner malfunction

Radio and display receiver assembly

B15B7

Bluetooth Module Malfunction

"Bluetooth" module malfunction

Radio and display receiver assembly

B15BA

XM Tuner Malfunction

When either condition below is met:

  • Internal IC malfunction
  • Tuner malfunction

Radio and display receiver assembly

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

    Click here

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC is stored.
    • The radio and display receiver assembly may not operate normally.

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

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

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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