Test J: The High Beam Indicator Is Never/Always On

PINPOINT TEST J: THE HIGH BEAM INDICATOR IS NEVER/ALWAYS ON

J1-J3:

J4:

Normal Operation
When the high beams are turned on, the smart junction box (SJB) sends a signal to the instrument cluster through the medium speed controller area network (MS-CAN) to illuminate the high beam indicator.

Possible Causes
- High beam headlamps
- SJB
- Instrument cluster