Conditions for Setting the DTC

B3619 02 

The head-up display detects that the head-up display switch signal circuit is less than 900 mV.

B3619 05 

The head-up display detects that the head-up display switch signal circuit is greater than 4.3 V.

B3619 61 

The head-up display detects that the head-up display switch sticks.