Test X: The Daytime Running Lamps (DRL) Indicator Is Never/Always On

PINPOINT TEST X: THE DAYTIME RUNNING LAMPS (DRL) INDICATOR IS NEVER/ALWAYS ON

X1-X2:

X3-X4:

Normal Operation
When the DRL is on, the smart junction box (SJB) sends a message over the communication network to the instrument cluster to illuminate the DRL indicator.

Possible Causes
- SJB
- Instrument cluster