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 |
|---|---|---|---|
| B228787 | LIN Communication Missing Message | An internal malfunction occurs in the certification ECU (smart key ECU assembly). | Certification ECU (smart key ECU assembly) |
When using the GTS with the power 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.
Some parts must be initialized and set when replacing or removing and installing parts.
Check for DTCs.
| Result | Proceed to |
|---|---|
| DTC 278588 is not output | A |
| DTC 278588 is output | B |
A
B
Clear the DTCs.
| Proceed to |
|---|
| NEXT |
NEXT
Check for DTCs.
| Result | Proceed to |
|---|---|
| B228787 is output | A |
| B228787 is not output | B |
A
B