Lexus ES: 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 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 |
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 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 Navigation 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 |
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