Subaru Forester 2004 Service Manual page 166

Diagnostics Procedure with Diagnostic Trouble Code (DTC)
Step
18 CHECK G SENSOR.
1) Connect the connector to G sensor.
2) Connect the connector to ABSCM&H/U.
3) Turn the ignition switch to ON.
4) Measure the voltage between G sensor
connector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 (
19 CHECK G SENSOR.
Measure the voltage between G sensor con-
nector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 (
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 DIAGNOSTIC TROU-
BLE CODES (DTCs) APPEARANCE.
Is the voltage 2.1 — 2.5 V
when G sensor is in horizontal
position?
−
):
Is the voltage 3.7 — 4.1 V
when G sensor is inclined for-
wards to 90°?
−
):
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-165
Check
Go to step 19.
Go to step 20.
Go to step 21.
Repair the con-
nector.
Replace the
ABSCM only.
<Ref. to ABS-8,
ABSCM (ABS
CONTROL MOD-
ULE), REPLACE,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
diagnosis corre-
sponding to DTC.
ABS (DIAGNOSTIC)
Yes No
Replace the G
sensor. <Ref. to
ABS-23, G Sen-
sor.>
Replace the G
sensor. <Ref. to
ABS-23, G Sen-
sor.>
Replace the G
sensor. <Ref. to
ABS-23, G Sen-
sor.>
Go to step 22.
Go to step 23.
A temporary poor
contact.