Subaru IMPREZA GD 2007 Series Manual page 3128

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C: INSPECTION
Step
1 CHECK SUBARU SELECT MONITOR.
2 CHECK G SENSOR.
1) Turn the ignition switch to OFF.
2) Remove the G sensor from vehicle.
3) Connect the connector to G sensor.
4) Turn the ignition switch to ON.
5) Measure the voltage between G sensor
connector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 (–):
3 CHECK G SENSOR.
Measure the voltage between G sensor con-
nector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 (–):
4 CHECK G SENSOR.
Measure the voltage between G sensor con-
nector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 (–):
5 CHECK G SENSOR.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to the
data link connector.
3) Set the Subaru Select Monitor to the {Brake
Control} mode.
4) Set the display in the {Current Data Display
& Save} mode.
5) Read the G sensor output.
6 CHECK G SENSOR.
1) Remove the console box.
2) Remove the G sensor from vehicle. (Do not
disconnect the connector.)
3) Read the Subaru Select Monitor display.
7 CHECK G SENSOR.
Read the Subaru Select Monitor display.
G Sensor
Check
Is a Subaru Select Monitor Go to step 5.
available?
Go to step 3.
Is the voltage 2.3±0.2 V when G
sensor is in a horizontal posi-
tion?
Is the voltage 3.9±0.2 V when Go to step 4.
the G sensor is inclined forward
by 90°?
Is the voltage 0.7±0.2 V when G sensor is nor-
the G sensor is inclined back- mal.
ward by 90°?
Go to step 6.
Is the value –1.2 — 1.2 m/s
when the vehicle is in a horizon-
tal position?
Is the value 8.1 — 11.2 m/s Go to step 7.
when G sensor is inclined for-
ward to 90°?
Is the value –8.1 — –11.2 m/s G sensor is nor-
when G sensor is inclined back- mal.
ward 90°?
ABS-21
ABS
Yes No
Go to step 2.
Replace the G sen-
sor.
Replace the G sen-
sor.
Replace the G sen-
sor.
Replace the G sen-
sor.
Replace the G sen-
sor.
Replace the G sen-
sor.