DTC B15EC: Backup Battery Degradation: Procedure

1. Turn the engine switch off.
2. Connect the Techstream to the DLC3.
3. Turn the engine switch on (IG) 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