DTC B2779: Engine Starter Communication Malfunction [10/2018 - 07/2022]: Procedure
- CHECK CAN COMMUNICATION SYSTEM
- Check for CAN communication system DTCs.
Refer to DIAGNOSIS SYSTEM [10/2018 - 10/2019] , or refer to DIAGNOSIS SYSTEM [10/2019 - 07/2022]
OK
CAN communication DTCs are not output.
Result
Proceed to OK NG
Result:
NG
GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2018 - 07/2022]
Result:
OK
See step 2
- Check for CAN communication system DTCs.
- READ VALUE USING TECHSTREAM (WIRELESS C CODE)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Smart Access / Data List.
- Read the Data List according to the display on the Techstream.
Body Electrical > Smart Access > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Wireless C Code Registration status between remote engine start ECU and certification ECU (smart key ECU assembly) No Regd or Regd No Regd: Remote starter ID not registered to remote engine start ECU and certification ECU (smart key ECU assembly)
Regd: Remote starter ID registered to remote engine start ECU and certification ECU (smart key ECU assembly)Problems may be caused by the following: - DTC B2779 is stored.
- Remote engine start ECU registration has not been performed.
- Malfunctions in the certification ECU (smart key ECU assembly) or remote engine start ECU.
Body Electrical > Smart Access > Data List
Tester Display Wireless C Code Result
Result Proceed to "No Regd" is displayed on the Techstream A "Regd" is displayed on the Techstream B
Result:
B
REPLACE REMOTE ENGINE START ECU
Result:
A
See step 3
- REGISTER REMOTE ENGINE STARTER ID
Result:
NEXT
See step 4
- READ VALUE USING TECHSTREAM (WIRELESS C CODE)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Smart Access / Data List.
- Read the Data List according to the display on the Techstream.
Body Electrical > Smart Access > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Wireless C Code Registration status between remote engine start ECU and certification ECU (smart key ECU assembly) No Regd or Regd No Regd: Remote starter ID not registered to remote engine start ECU and certification ECU (smart key ECU assembly)
Regd: Remote starter ID registered to remote engine start ECU and certification ECU (smart key ECU assembly)Problems may be caused by the following: - DTC B2779 is stored.
- Remote engine start ECU registration has not been performed.
- Malfunctions in the certification ECU (smart key ECU assembly) or remote engine start ECU.
Body Electrical > Smart Access > Data List
Tester Display Wireless C Code Result
Result Proceed to "No Regd" is displayed on the Techstream A "Regd" is displayed on the Techstream B
Result:
A
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [10/2018 - 07/2022]
Result:
B
REPLACE REMOTE ENGINE START ECU