Subaru IMPREZA 2002 Service Manual page 222

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
ABS (DIAGNOSTICS)
Step
I
CHECK ABSCM&H/U.
Measure the resistance between ABSCM&H/U
terminals.
Terminal
NO. 22
-
NO. 2 3 :
0 CHECK WIRING HARNESS.
Measure the resistance between connector
(F74) and chassis ground.
Connector & terminal
(F74) No. 20
-
Chassis ground:
1 CHECK WIRING HARNESS.
1)Connect the connector to ABSCM&H/U.
2)Measure the resistance between connector
(F74) and chassis ground.
Connector & terminal
(F74) No. 20
-
Chassis ground:
2 CHECK POOR CONTACT IN ABSCM&H/U
CONNECTOR.
Check
Is the resistance more than 1
MR?
Is the resistance less than 0.5
Q?
Is the resistance more than 1
MR?
Is there poor contact in
ABSCM&H/U connector?
Yes
Go to step 10.
Go to step 11.
ness.
No
Replace the
ABSCM&H/U.
<Ref. to ABS-7,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Repair the har-
I
Go to step 12.
I
Repair the har-
Repair the con-
nector.
ness.
Replace the
ABSCM&H/U.
<Ref. to ABS-7,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
ABS-36