DTC B15EC: Backup Battery Degradation: Procedure

1. Turn the ignition switch off.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON and wait for 10 seconds.
4. Turn the Techstream on.
5. Perform "HEALTH CHECK" and check for current DTCs. Refer to HEALTH CHECK .
   RESULT
   
   

   Result	Proceed to
   DTC B15EC is output	A
   DTC B15EC is not output	B

B → See step   3 

A → See step   2