DTC 2-1

DTC 2-1 ECU FAILS TO WRITE EEPROM CORRECTLY FOR 3RD TIME IN A ROW

CIRCUIT DESCRIPTION

DTC Detection Condition:

The telephone ECU assy (Mayday ECU) determines the vehicle operating condition, vehicle position and user requirements, based on the information provided by various component parts. The telephone ECU assy also controls the LEXUS link system. It is located under the under back panel, which is on the right side of the luggage room.

INSPECTION PROCEDURE

REPLACE TELEPHONE ECU ASSY