When the camera-ECU detects the internal error (SDRAM fail), it sets DTC No. B2542.
note
"!" mark is displayed on the vehicle icon when DTC No. B2542 is set.
TROUBLESHOOTING HINTS
Failed calibration
The camera-ECU may be defective
DIAGNOSIS
Recheck for diagnostic trouble code.
Calibrate the camera-ECU, and check again if the DTC is set in the camera-ECU.
(1) Erase the DTC.
(2) Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
(3) Check if DTC is set.
Is the DTC set?
Replace the camera-ECU, and then repeat the calibration (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 ).