Lexus ES: HD Radio Tuner Malfunction (B1551,B15A0,B15B3,B15B4,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 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 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 |
B15B4 | CD 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 either of the following conditions 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 during radio receiver assembly startup routine
-
Open in UART communication line is detected based on communication error
| Radio 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 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.
PROCEDURE
(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 |
READ NEXT:
DESCRIPTION This DTC is stored if the remote touch (remote operation controller assembly) detects a malfunction in itself, such as internal hardware failure or remote touch screen sensor malfunction.
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area B1574 GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) GVIF disconnected (from p
DESCRIPTION The radio receiver assembly and multi-display assembly are connected via video signal (digital) lines. This DTC is stored when a video signal (digital) line is disconnected. DTC No. D
SEE MORE:
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE NO. 2 ROCKER PANEL MOULDING PROTECTOR Click here 2. REMOVE ROCKER PANEL MOULDING COVER (a) Using a screwdriver with its tip wrapped w
DESCRIPTION This DTC is stored when LIN communication between the sliding roof ECU (sliding roof drive gear assembly) and roof sunshade ECU (sliding roof drive gear assembly) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B2346 Lost Communica
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