Subaru Legacy 2004 Service Manual page 3048

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
10 CHECK G SENSOR.
1) Remove the console box.
2) Remove the G sensor from vehicle.
3) Connect the connector to G sensor.
4) Connect the connector to ABSCM&H/U.
5) Turn the ignition switch to ON.
6) Measure the voltage between G sensor
connector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 (
11 CHECK G SENSOR.
Measure the voltage between G sensor con-
nector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 (
12 CHECK G SENSOR.
Measure the voltage between G sensor con-
nector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 (
13 CHECK ABSCM&H/U.
1) Turn the ignition switch to OFF.
2) Connect all the connectors.
3) Erase the memory.
4) Perform the inspection mode.
5) Read the DTC.
14 CHECK ANY OTHER DTC ON DISPLAY.
Is the voltage 2.1 — 2.5 V
when G sensor is on a level?
#
):
Is the voltage 3.6 — 4.1 V
when G sensor is inclined for-
wards to 90"?
#
):
Is the voltage 0.5 — 1.0 V
when G sensor is inclined
backward to 90"?
#
):
Is the same DTC displayed?
Is any other DTC displayed?
ABS(diag)-81
Check Yes
Go to step 11.
Go to step 12.
Go to step 13.
Replace the
ABSCM only.
<Ref. to ABS-8,
REPLACEMENT,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Inspect the DTC
using "List of Diag-
nostic Trouble
Code (DTC)".
<Ref. to
ABS(diag)-39, List
of Diagnostic Trou-
ble Code (DTC).>
ABS (DIAGNOSTICS)
No
Replace G sen-
sor. <Ref. to ABS-
18, G Sensor.>
Replace G sen-
sor. <Ref. to ABS-
18, G Sensor.>
Replace G sen-
sor. <Ref. to ABS-
18, G Sensor.>
Go to step 14.
Temporary poor
contact occurs.