Subaru Legacy (2005 year). Manual - part 775
ABS(diag)-65
ABS (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
Check
Yes
No
1
CHECK INPUT VOLTAGE OF ABSCM&H/U.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from ABSCM&H/
U.
3) Run the engine at idle.
4) Measure the voltage between ABSCM&H/
U connector and chassis ground.
Connector & terminal
(B301) No. 18 (+) — Chassis ground (
−
):
(B301) No. 14 (+) — Chassis ground (
−
):
Is the voltage 10 — 15 V?
Repair the har-
ness connector
between battery
and ABSCM&H/U.
2
CHECK GROUND CIRCUIT OF ABSCM&H/U.
1) Turn the ignition switch to OFF.
2) Measure the resistance between
ABSCM&H/U connector and chassis ground.
Connector & terminal
(B301) No. 15 — Chassis ground:
Is the resistance less than 0.5
Ω?
Repair the
ABSCM&H/U
ground harness.
3
CHECK VALVE RELAY IN ABSCM&H/U.
Measure the resistance between ABSCM&H/U
terminals.
Terminals
No. 14 — No. 15:
Is the resistance more than 1
M
Ω?
Replace the
ABSCM only.
<Ref. to ABS-8,
REPLACEMENT,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
4
CHECK POOR CONTACT IN CONNECTOR. Is there poor contact in con-
nector between generator, bat-
tery and ABSCM&H/U?
Repair the con-
nector.
5
CHECK ABSCM&H/U.
1) Connect all the connectors.
2) Perform clear memory mode.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed?
Replace the
ABSCM only.
<Ref. to ABS-8,
REPLACEMENT,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
6
CHECK ANY OTHER DTC ON DISPLAY.
Is any other DTC displayed?
Inspect the DTC
using “List of Diag-
nostic Trouble
Code (DTC)”.
<Ref. to
ABS(diag)-38, List
of Diagnostic Trou-
ble Code (DTC).>
Temporary poor
contact occurs.