DTC 2
DTC 2 "CODE 2. Button Module Failure"CIRCUIT DESCRIPTION
This DTC is output when any of the LEXUS Link switches is turned ON for 15 sec. or more, and this condition is judged as a stuck switch.
Note that this DTC is output even when the switches are kept pressing.
Wiring Diagram:
Step 1 - 2:
INSPECTION PROCEDURE
HINT: If DTC is not cleared even though the Mayday ECU is replaced, replace the Mayday Assembly (Transceiver, Back-up battery, Bus buffer ECU and Mayday ECU).