Subaru 2002 IMPREZA Service Manual page 2176

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
ABS (DIAGNOSTICS)
Step
9 CHECK VALVE RELAY IN ABSCM&H/U.
Measure the resistance between ABSCM&H/U
and terminals.
Terminals
No. 23 — No. 24:
10 CHECK POOR CONTACT IN CONNECTORS. Is there poor contact in con-
11 CHECK ABSCM&H/U.
1)Connect all connectors.
2)Erase the memory.
3)Perform the inspection mode.
4)Read out the DTC.
12 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODES (DTCs) APPEARANCE.
Check
Is the resistance more than 1
MΩ?
nectors between generator,
battery and ABSCM&H/U?
Is the same DTC as in the cur-
rent diagnosis still being out-
put?
Are other DTCs being output? Proceed with the
ABS-78
Yes
Go to step 10. 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 11.
nector.
Replace the Go to step 12.
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