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

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / HD Radio Tuner Malfunction (B1551,B158D,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

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 Navigation 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 may be 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

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

    Extension Module Malfunction 2 (B1556)
    DESCRIPTION These DTCs are stored when a malfunction occurs in the Navigation ECU. DTC No. Detection Item DTC Detection Condition Trouble Area ...

    Other materials:

    Toyota CH-R Owners Manual > Vehicle specifications: Items to initialize
    Items to initialize The following items must be initialized for normal system operation after such cases as the battery being reconnected, or maintenance being performed on the vehicle: Item When to initialize Power window When functioning abnormally Message indi ...

    Toyota CH-R Service Manual > Tire Pressure Warning System: Initialization not Completed (C2177/77)
    DESCRIPTION Initialization is necessary if one of the following occurs: The tire pressure warning ECU and receiver is replaced. A tire pressure warning valve and transmitter is replaced. Tires with different standard tire pressures are installed. The tires are rotated. A new ...

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