Subaru IMPREZA 2001 - Page 39

ABS-38
ABS (DIAGNOSTICS)
DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
Step Check Yes No
1 CHECK DIAGNOSIS TERMINAL.
1)Turn ignition switch to OFF.
2)Measure resistance between diagnosis ter-
minals (B81) and chassis ground.
Terminals
Diagnosis terminal (A) — Chassis
ground:
Diagnosis terminal (B) — Chassis
ground:
Is the resistance less than 0.5
Ω
?
Go to step
2.
Repair diagnosis
terminal harness.
2 CHECK DIAGNOSIS LINE.
1)Turn ignition switch to OFF.
2)Connect diagnosis terminal (B81) to diagno-
sis connector (B82) No. 6.
3)Disconnect connector from ABSCM&H/U.
4)Measure resistance between ABSCM&H/U
connector and chassis ground.
Connector & terminal
(F49) No. 4 — Chassis ground:
Is the resistance less than 0.5
Ω
?
Go to step
3.
Repair harness
connector
between
ABSCM&H/U and
diagnosis connec-
tor.
3 CHECK POOR CONTACT IN ABSCM&H/U
CONNECTOR.
Is there poor contact in
ABSCM&H/U connector?
Repair connector. Replace
ABSCM&H/U.
<Ref. to ABS-7,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>