MSA5T0724A162271 g sensor.pdf

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G Sensor
ABS
8. G Sensor
A: REMOVAL
1) Disconnect the ground cable from the battery.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
18 N·m (1.8 kgf-m, 13.0 ft-lb)
CAUTION:
Do not drop or bump the G sensor.
ABS00150
2) Remove the console cover.
<Ref. to EI-38, REMOVAL, Console Box.>
3) Disconnect the connector from the G sensor.
4) Remove the G sensor from the body.
CAUTION:
• Do not drop or bump the G sensor.
• The G sensor integrated with the bracket. Do
not disassemble.
ABS00612
ABS-22
G Sensor
ABS
C: INSPECTION
1
2
Step
CHECK SUBARU SELECT MONITOR.
CHECK G SENSOR.
1) Turn the ignition switch to OFF.
2) Remove the G sensor from vehicle.
3) Connect the connector to the 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 (–):
CHECK G SENSOR.
Measure the voltage between G sensor con-
nector terminals.
Connector & terminal
(B292) No. 2 (+) — No. 3 (–):
CHECK G SENSOR.
Measure the voltage between G sensor con-
nector terminals.
Connector & terminal:
(B292) No. 2 (+) — No. 3 (–)
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 voltage.
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.
CHECK G SENSOR.
Read the Subaru Select Monitor display.
Check
Yes
Is a Subaru Select Monitor
Go to step
5.
available?
Is the voltage 2.3±0.2 V when G Go to step
3.
sensor is in a horizontal posi-
tion?
No
Go to step
2.
Replace the G sen-
sor.
3
Is the voltage between 3.9±0.2 Go to step
4.
V when G sensor is inclined for-
ward 90°?
Replace the G sen-
sor.
4
Is the voltage 0.7±0.2 V when
the G sensor is inclined back-
ward 90°?
G sensor is nor-
mal.
Replace the G sen-
sor.
5
Is the indicated reading on the Go to step
6.
monitor display 0±0.1 m/s
2
?
Replace the G sen-
sor.
6
Is the numerical value 9.8±0.1 Go to step
7.
m/s
2
when G sensor is inclined
forward 90°?
Replace the G sen-
sor.
7
Is the numerical value –9.8±0.1 G sensor is nor-
m/s
2
when G sensor is inclined mal.
back 90°?
Replace the G sen-
sor.
ABS-23
G Sensor
ABS
ABS-24

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