Whenever the ECU is replaced, ensure that the communication circuit is normal.
TROUBLE JUDGMENT
When the multivision display detects a malfunction in the built-in satellite tuner, diagnostic trouble code B250B will be set.
TROUBLESHOOTING HINTS
The multivision display may be defective
DIAGNOSIS
Recheck for diagnostic trouble code.
Check again if the DTC is set.
(1) Erase the DTC.
(2) Turn the ignition switch to "ON" position.
(3) Check if DTC is set.
Is the DTC set?
Replace multivision display (Refer to ).
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).