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Test C: One High Beam Headlamp Is Inoperative

PINPOINT TEST C: ONE HIGH BEAM HEADLAMP IS INOPERATIVE


C1:






C2-C3:






Normal Operation
When a request for the high beams is received by the lighting control module (LCM), the LCM provides voltage through circuits 1337 (VT/YE) and 1335 (YE/WH) to the LH and RH headlamps, respectively. Ground is shared with the low beam headlamps.

Possible Causes
- Circuit 1337 (VT/YE) open or short to ground
- Circuit 1335 (YE/WH) open or short to ground
- LCM