Subaru Legacy 2002 Service Manual page 2389

DIAGNOSTICS CHART WITH SUBARU SELECT MONITOR
ABS (Diagnostics)
No.
1 CHECK WIRING HARNESS.
1) Turn ignition switch to OFF.
2) Disconnect connector (F45) from connector
(B62).
3) Turn ignition switch to ON.
2 CHECK PROJECTION AT ABSCM&H/U.
1) Turn ignition switch to OFF.
2) Disconnect connector from ABSCM&H/U.
3) Check for broken projection at the
ABSCM&H/U terminal.
3 CHECK ABSCM&H/U.
Measure resistance between ABSCM&H/U
terminals.
Terminals
No. 22 — No. 23:
4 CHECK WIRING HARNESS.
Measure resistance between connector (F45)
and chassis ground.
Connector & terminal
(F45) No. G6 — Chassis ground:
5 CHECK WIRING HARNESS.
1) Connect connector to ABSCM&H/U.
2) Measure resistance between connector
(F45) and chassis ground.
Connector & terminal
(F45) No. G6 — Chassis ground:
6 CHECK POOR CONTACT IN ABSCM&H/U
CONNECTOR.
Step
Does the ABS warning light
remain off?
Are the projection broken?
Is the resistance more than
1 MΩ?
Is the resistance less than
0.5 Ω?
Is the resistance more than
1 MΩ?
Is there poor contact in
ABSCM&H/U connector?
ABS-88
Check Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
Repair connector.
No
Repair front wiring
harness.
Replace
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Replace
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Repair harness.
Repair harness.
Replace
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>