Subaru 2009 IMPREZA Service Manual page 2425

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)

S: DTC C0109 POWER VOLTAGE MALFUNCTION

DTC DETECTING CONDITION:

Power supply voltage of the ABSCM&H/U is too low or too high.

TROUBLE SYMPTOM:

• ABS does not operate.

• EBD may not operate.

If EBD does not operate, the brake warning light illuminates in addition to ABS warning light. Both warning

lights go off if voltage returns.

WIRING DIAGRAM:

1 2 3 4 5 6 7 8 9 10 11

16 17 18 19 20 21 22 23 24 25 26

ABS(diag)-45

ABS (DIAGNOSTICS)