General Information

Head Unit
U1000 Head Unit ECM Error - General Information

Component Location





General Description

Head unit is self diagnostic and control system that communicate with navigation H/UNIT, voice recognition, DVD Changer + MP3 & WMA files play, USB & iPOD, bluetooth handsfree, Body control system and information display of DIS on the MOST network.

DTC Description

This code is set when the head unit detects the inside problem by itself.

DTC Detecting Condition





Diagnostic Circuit Diagram





Signal Waveform & Data








Fig.1) Start of Wake up line diagnosis
Fig.2) Completion of Wake up line diagnosis