Subaru IMPREZA GD 2007 Series Manual page 3166

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
D: DTC 27 OPEN OR SHORT CIRCUIT IN REAR LEFT ABS WHEEL SPEED
SENSOR CIRCUIT
DIAGNOSIS:
• Defective ABS wheel speed sensor (broken wire, input voltage too high)
• Defective harness connector
TROUBLE SYMPTOM:
ABS does not operate.
WIRING DIAGRAM:
F94
FRONT ABS
SENSOR LH
F94 R72
B15 R73
2 1 1 2
B301 ABSCM & H/U
B62
F45
B15
FRONT ABS REAR ABS
SENSOR RH SENSOR LH
B99
F45
1 2 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19 20 21 22 23 24
ABS(diag)-37
B99
R3
R73 R72
REAR ABS
SENSOR RH
B301
1 2 3 4 5 6 7 8 9
12 13 14 15
16 17 18 19 20
ABS (DIAGNOSTICS)
E
10 11
21 22 23 24 25 26
ABS00967