B2226
DTC B2226: Navigation unit service dataTROUBLE JUDGEMENT
When the CAN box unit receives the signal from the audio visual navigation unit to indicate an abnormality occurred in the navigation unit, the CAN box unit sets DTC B2226.
TROUBLESHOOTING HINT
The audio visual navigation unit may be defective
DIAGNOSIS
Check that the audio visual navigation unit operate.
Check that the audio visual navigation unit work normally.
Q: Is audio visual navigation unit work normally?
YES : Intermittent malfunction is suspected. Refer to general (Body and Chassis), How to Use Troubleshooting/Inspection Service Points How to Cope with Intermittent Malfunction.
NO : Diagnose the audio visual navigation unit (Refer to Trouble symptom chart). Trouble Symptom Chart