RM38N0EC _57 Power Source / Network _111829 NETWORKING _0505699 LIN COMMUNICATION SYSTEM C

NETWORKING  LIN COMMUNICATION SYSTEM  B228787  LIN Communication Missing Message  


DESCRIPTION

When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
B228787 LIN Communication Missing Message An internal malfunction occurs in the certification ECU (smart key ECU assembly). Certification ECU (smart key ECU assembly) Power Source Control B

CAUTION / NOTICE / HINT

NOTICE:
·

When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

·

Before replacing the certification ECU (smart key ECU assembly), refer to Service Bulletin.



PROCEDURE

1.CHECK FOR DTC
a.

Check for DTCs.

Body Electrical > Entry&Start > Trouble Codes
50001 440
Result:
Result Proceed to
B278588 is not output A
B278588 is output B




A

2.CLEAR DTC

B

2.CLEAR DTC
a.

Clear the DTCs.

Body Electrical > Power Source Control > Trouble Codes
50001 454

Result:
Proceed to
NEXT



NEXT

3.CHECK FOR DTC
3.CHECK FOR DTC
a.

Check for DTCs.

Body Electrical > Power Source Control > Trouble Codes
50001 454
Result:
Result Proceed to
B228787 is not output A
B228787 is output B




A

B

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)