Operation CHARM: Car repair manuals for everyone.

General Information





Head Unit
U1045 Sticking Key on Central Control Panel - General Information

Component Location





General Description

Central Control Key is
1. installed at center armrest.
2. controlled Navigation, DVD changer, FM/AM, Aux, iPOD, Bluetooth, Vehicle information.
3. Jog dial + Hot Key formation.
4. applied 8 direction jog dial.
5. improve the material by applied real aluminum at jog dial.

DTC Description

This DTC is set when Central Control Key push down signal is input to Head Unit above 30 sec continually.

DTC Detecting Condition





Diagnostic Circuit Diagram





Signal Waveform & Data








Fig.1) At normal TX waveform that Control unit key is pushed down once (Measure waveform at Head Unit TX line)
Fig.2) At normal RX waveform that Control unit key is pushed down once (Monitoring signal at Head Unit RX line)