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.
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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

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.

USE SIMULATION METHOD TO CHECK

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 ...

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Toyota CH-R Service Manual > Lighting System: CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION The headlight ECU sub-assembly LH stores this DTC if it detects an internal malfunction related to the CAN communication system. DTC No. Detection Item DTC Detection Condition Trouble Area Note U1000 C ...

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

Voice Recognition Microphone Disconnected (B1579)

Extension Module Malfunction 2 (B1556)

Other materials:

Toyota CH-R Owners Manual

Toyota CH-R Service Manual