Subaru Legacy 2002 Service Manual page 2419

DIAGNOSTICS CHART WITH SUBARU SELECT MONITOR
ABS (Diagnostics)
V: DTC 42 POWER SUPPLY VOLTAGE TOO HIGH
S006583I73
DIAGNOSIS:
¼ Power source voltage of the ABSCM&H/U is high.
TROUBLE SYMPTOM:
¼ ABS does not operate.
WIRING DIAGRAM:
B4M2334
ABS-118