Lexus NX: HD Radio Tuner Malfunction (B1551,B15A0,B15B3,B15B5,B15B7,B15BA,B15F9)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the radio receiver assembly
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
B1551 | HD Radio Tuner Malfunction | 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
| Radio receiver assembly |
B15A0 | LAN Master Malfunction | When either of the following conditions is met: -
Bus malfunction
-
EEPROM error
| Radio 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 receiver assembly |
B15B5 | DVD Changer Malfunction | When any of the following conditions is met: -
Mechanism drive signal malfunction
-
Load/Eject malfunction
-
Read mechanism malfunction
-
Mechanical malfunction
| Radio receiver assembly |
B15B7 | Bluetooth Module Malfunction | "Bluetooth" module malfunction | Radio receiver assembly |
B15BA | XM Tuner Malfunction | When one of the conditions below is met: -
Internal IC malfunction
-
Tuner malfunction
| Radio receiver assembly |
B15F9 | UART Communication Malfunction(for A/C) | When either of the following conditions is met: -
Open in UART communication line is detected based on radio receiver assembly activation failure
-
Open in UART communication line is detected based on communication error
| Radio receiver assembly |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the radio receiver assembly, always replace it with a new one.
If a radio receiver assembly which was installed to another vehicle is used, the following may occur:
-
A communication malfunction DTC may be stored.
-
The radio receiver assembly may not operate normally.
HINT:
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
PROCEDURE
(a) Clear the DTCs.
Click here
Body Electrical > Navigation System > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Click here
Body Electrical > Navigation System > Trouble Codes
OK:
No DTCs are output.
READ NEXT:
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DESCRIPTION This DTC is stored if the remote operation controller assembly (remote touch) detects a malfunction in itself, such as internal hardware failure or touch pad sensor malfunction. DTC No.
DESCRIPTION This DTC is stored if the remote operation controller assembly (remote touch) detects a malfunction in itself, such as internal hardware failure or touch pad vibration driver malfunction.
SEE MORE:
SYSTEM DIAGRAM Communication Table Transmitter Receiver Signal Communication Method Multi-display Assembly Radio Receiver Assembly Windshield deicer switch signal GVIF Radio Receiver Assembly Air Conditioning Amplifier Assembly Windshield deicer switch signal CAN
DESCRIPTION The main body ECU (multiplex network body ECU) controls the high beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Recognition code registration is necessary when replacin
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