Subaru Impreza 2003 Service Manual page 2531

DIAGNOSTICS PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Step
11 CHECK LATERAL G SENSOR.
Measure the voltage between lateral G sensor
connector terminals.
Connector & terminal
(B257) No. 2 (+) — No. 3 ( − − − − ):
12 CHECK ABSCM&H/U.
1)Turn the ignition switch to OFF.
2)Connect all connectors.
3)Erase the memory.
4)Perform the inspection mode.
5)Read out the DTC.
13 CHECK ANY OTHER DTC APPEARANCE.
Check
Is the voltage 0.5 — 0.9 V
when lateral G sensor is
inclined left to 90°?
Is the same DTC as in current
diagnosis still being output?
Are other DTCs being output? Proceed with the
ABS-191
ABS (DIAGNOSTICS)
Yes
Go to step 12. Replace the lateral
G sensor. <Ref. to
ABS-23, Lateral G
Sensor.>
Replace the Go to step 13.
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