Lexus Link System
CELLULAR COMMUNICATION: LEXUS LINK SYSTEM: DIAGNOSTIC TROUBLE CODE CHART
DIAGNOSTIC TROUBLE CODE CHART
HINT: If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code.
Mayday ECU (map light LED blinking pattern)
DTC 1-1-4-3:
DTC 4-4-6-4:
Bus buffer ECU [Mayday Gateway] (tester display)
