Low Beam Relay Circuit Shorted Low/Open

Tests 1 - 3:

Tests 4 - 6:

SYMPTOM
LOW BEAM RELAY CIRCUIT SHORTED LOW/OPEN

WHEN MONITORED
Ignition in RUN and IOD fuse/connector installed.

SET CONDITION
This condition detects if the lo beam relay has not been installed in the vehicle by monitoring the BCM lo beam relay output for battery voltage applied.

POSSIBLE CAUSES
- Low beam relay
- Open fused B(+)
- Low beam relay control circuit open
- Low beam relay control circuit shorted to ground
- BCM low beam control circuit shorted low/open
- Low beam relay missing