Subaru 2002 IMPREZA Service Manual page 2164

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
ABS (DIAGNOSTICS)
U: DTC 41
— ABNORMAL ABS CONTROL MODULE —
DIAGNOSIS:
• Faulty ABSCM&H/U.
TROUBLE SYMPTOM:
• ABS does not operate.
WIRING DIAGRAM:
Step
1 CHECK GROUND CIRCUIT OF ABSCM&H/U.
1)Turn the ignition switch to OFF.
2)Disconnect the connector from ABSCM&
H/U.
3)Measure the resistance between
ABSCM&H/U and chassis ground.
Connector & terminal
LHD: (B301) No. 23 — Chassis ground:
RHD: (F49) No. 23 — Chassis ground:
ABS CONTROL MODULE AND
*1
HYDRAULIC CONTROL UNIT
E
*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
Is the resistance less than 0.5
Ω?
ABS-66
B301
*1: LHD
RHD
F49
Yes
Go to step 2. Repair the
ABSCM&H/U
ground harness.
BR0127
No