Subaru Impreza 2003 Service Manual page 2481

DIAGNOSTICS PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
W: DTC 44
— ABS-AT CONTROL (NON CONTROLLED) —
DIAGNOSIS:
• Combination of AT control faults
TROUBLE SYMPTOM:
• ABS does not operate.
WIRING DIAGRAM:
B55
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24
Step
1 CHECK SPECIFICATIONS OF THE AB-
SCM&H/U.
Check specifications of mark on ABSCM&H/U.
CK: FWD AT
CL: FWD MT
CU: AWD AT
CV: AWD MT
CX: AWD MT (STi model)
CY: AWD MT (STi with Driver's control
center differential model)
*1 ABSCM&H/U
RHD
F74
B200
RHD
B55 TCM
*1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26
27 28 29 30 31
Check
Does the vehicle specification
and ABSCM&H/U specifica-
tion match?
ABS-141
ABS (DIAGNOSTICS)
B301
*1: LHD
RHD
F49
F74
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20 21 22
Yes
Go to step 2. Replace the
ABSCM&H/U.
<Ref. to ABS-7,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
ABS00360
No