Subaru Legacy 2002 Service Manual page 2657

DIAGNOSTICS CHART WITH SELECT MONITOR
VDC (Diagnostics)
AJ: DTC 49 ABNORMAL ENGINE SPEED SIGNAL
S005504J32
DIAGNOSIS:
¼ Engine speed signal line is broken or short circuited.
TROUBLE SYMPTOM:
¼ VDC does not operate.
WIRING DIAGRAM:
B4M2524
VDC-198