Subaru Impreza 2003 Service Manual page 2506

DIAGNOSTICS PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ABS (DIAGNOSTICS)
Step
20 CHECK G SENSOR.
Measure the voltage between G sensor con-
nector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 ( − − − − ):
21 CHECK POOR CONTACT IN CONNECTORS.
Turn the ignition switch to OFF.
22 CHECK ABSCM&H/U.
1)Connect all connectors.
2)Erase the memory.
3)Perform the inspection mode.
4)Read out the DTC.
23 CHECK ANY OTHER DTC APPEARANCE.
Check
Is the voltage 0.5 — 0.9 V
when G sensor is inclined
backwards to 90°?
Is there poor contact in con-
nector between ABSCM&H/U
and G sensor?
Is the same DTC as in current
diagnosis still being output?
Are other DTCs being output? Proceed with the
ABS-166
Yes
Go to step 21. Replace the G
sensor. <Ref. to
ABS-21, G Sen-
sor.>
Repair the con- Go to step 22.
nector.
Replace the Go to step 23.
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