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. For details of the code, refer to the "See page" below.

Mayday ECU (map light LED blinking pattern)

1-1 - 4-3:

4-4 - 6-4:

Bus buffer ECU [Mayday Gateway] (tester display)

U0198: