LIN COMMUNICATION SYSTEM DIAGNOSIS SYSTEM
DESCRIPTION
The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly)* control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3).
When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform repairs.
*: w/ Entry and Start System
CHECK DLC3
Check the DLC3.
INSPECT BATTERY VOLTAGE
Measure the battery voltage.
Standard Voltage
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.