Diagnostic Test

VERIFY THE DTC IS ACTIVE
NOTE:
Make sure the battery is fully charged before proceeding.
1. Turn the ignition on.
2. With the scan tool, read the active DTCs.
  Does the scan tool display: U1715-87-LOST COMMUNICATION WITH YRS?
  
  Yes
  - Refer to U1715-87-LOST COMMUNICATION WITH YRS and perform the U1715-87-Lost Communication with YRS diagnostic procedure.
  No
  - Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.