Subaru 2002 IMPREZA Service Manual page 2253

DIAGNOSTICS CHART WITH SUBARU SELECT MONITOR
Step
1 CHECK MOTOR RELAY IN ABSCM&H/U.
1)Disconnect the connector from ABSCM&
H/U.
2)Measure the resistance between
ABSCM&H/U terminals.
Terminals
No. 25 — No. 26:
2 CHECK MOTOR OPERATION.
Operate the sequence control. <Ref. to ABS-
11, ABS Sequence Control.>
NOTE:
Use the diagnosis connector to operate se-
quence control.
3 CHECK POOR CONTACT IN CONNECTORS.
Turn the ignition switch to OFF.
4 CHECK ABSCM&H/U.
1)Connect all connectors.
2)Erase the memory.
3)Perform the inspection mode.
4)Read out the DTC.
5 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODES (DTCs) APPEARANCE.
Check
Is the resistance more than 1
MΩ?
Can motor revolution noise
(buzz) be heard when carrying
out the sequence control?
Is there poor contact in con-
nector between hydraulic unit,
relay box and ABSCM&H/U?
Is the same DTC as in current
diagnosis still being output?
Are other DTCs being output? Proceed with the
ABS-155
ABS (DIAGNOSTICS)
Yes
Go to step 2. Replace the
ABSCM&H/U.
<Ref. to ABS-7,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Go to step 3. Replace the
ABSCM&H/U.
<Ref. to ABS-7,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Repair the con- Go to step 4.
nector.
Replace the Go to step 5.
ABSCM&H/U.
<Ref. to ABS-7,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
A temporary poor
diagnosis corre- contact.
sponding to DTC.
No