Subaru 2009 IMPREZA Service Manual page 2439

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 connectors.
3) Clear the memory. <Ref. to ABS(diag)-21,
Clear Memory Mode.>
4) Perform the Inspection Mode. <Ref. to
ABS(diag)-20, Inspection Mode.>
5) Read the DTC.
14 CHECK FOR ANY OTHER DTC ON DISPLAY. Is any other DTC displayed?
Check
Is the voltage 2.1 — 2.5 V when
G sensor is in horizontal posi-
tion?
Is the voltage 3.6 — 4.1 V when
the G sensor is inclined forward
to 90°?
Is the voltage 0.5 — 1.0 V when
G sensor is inclined back 90°?
Is the same DTC displayed?
ABS(diag)-59
ABS (DIAGNOSTICS)
Yes No
Go to step 11. Replace G sensor.
<Ref. to ABS-18, G
Sensor.>
Go to step 12. Replace G sensor.
<Ref. to ABS-18, G
Sensor.>
Go to step 13. Replace G sensor.
<Ref. to ABS-18, G
Sensor.>
Replace the Go to step 14.
ABSCM only. <Ref.
to ABS-8,
REPLACEMENT,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Check DTC using Temporary poor
"List of Diagnostic contact occurs.
Trouble Code
(DTC)". <Ref. to
ABS(diag)-26, List
of Diagnostic Trou-
ble Code (DTC).>