DTC 8-1
DTC 8-1 ECU RECEIVED A DIAGNOSTICS ERROR FROM TRANSCEIVERCIRCUIT DESCRIPTION
DTC Detection Condition:
The telephone transceiver transmits signals to the telephone ECU assy (Mayday ECU) and receives the signals from the LEXUS link center. It is located under the under back panel, which is on the right side of the luggage room.
Wiring Diagram:
Step 1 - 2:
INSPECTION PROCEDURE
HINT: If this DTC reoccurs even when the telephone transceiver has been replaced, replace the telephone ECU assy (Mayday ECU).