SYSTEM DIAGRAM
System Description
Operation CheckPower Management Control ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Power Management Control ECU Communication Stop Mode
"Electric Power Control" is not displayed on the CAN Bus Check
screen ...
Lost Communication with Power Source Control (B278C)
DESCRIPTION
This DTC is stored when LIN communication between the certification ECU (smart
key ECU assembly) and power management control ECU stops for more than 10 seconds.
DTC Code
DTC Detection Condition
Trouble Area
...
Key battery
Replace the battery with a new one if it is discharged.
- You will need the following items:
• Flathead screwdriver (To prevent damage to the key, cover the tip of the screwdriver
with rag.)
• Small Phillips-head screwdriver
• Lithium battery ...