Test O: The High Beam Indicator Is Never/Always On
PINPOINT TEST O: THE HIGH BEAM INDICATOR IS NEVER/ALWAYS ONNormal Operation
When the high beams are turned on, the lighting control module (LCM) sends a signal to the instrument cluster (IC) over the standard corporate protocol (SCP) communication network to illuminate the high beam indicator.
This pinpoint test is intended to diagnose the following:
- High beam headlamps
- LCM
- Instrument cluster (IC)