DTC Troubleshooting: B1640
DTC B1640: RF1 antenna not connected or malfunction
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

DTC Description
DTC
B1640 RF1 antenna not connected or malfunction
  

1.
Problem verification:

Problem verification
?1.
Clear the DTCs with the HDS.


?2.
Touch the door outer handle touch sensor (LOCK) to lock the door.

?3.
Touch the door outer handle touch sensor (UNLOCK) to unlock the door.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
B1640 RF1 antenna not connected or malfunction
  

Is DTC B1640 indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?