DTC 5-1

DTC 5-1 LEXUS Link Communication Error

DESCRIPTION

DTC Detection Condition:

This DTC is output when one of the following occurs: 1) the mayday ECU is malfunctioning; 2) the bus buffer ECU is malfunctioning; 3) the main body ECU is malfunctioning; or 4) the CAN line / wire harness is open or shorted.

Wiring Diagram:

Step 1:

Step 2-3:

INSPECTION PROCEDURE