Subaru Outback manuals

Subaru Outback (BR): Front ABS Wheel Speed Sensor

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Lift up the vehicle, and then remove the front wheels.

3) Remove the front ABS wheel speed sensor.

CAUTION:

  1. Disconnect the front ABS wheel speed sensor connector in the engine compartment.

Subaru Outback. Vehicle Dynamics Control (VDC)

  1. Remove each harness clip and grommet.
  2. Remove the bolts, and remove the front ABS wheel speed sensor from the front axle housing.

Subaru Outback. Vehicle Dynamics Control (VDC)

B: INSTALLATION

CAUTION: Be careful not to damage the sensor.

Install each part in the reverse order of removal.

NOTE:

Tightening torque: Front ABS wheel speed sensor: 7.5 N*m (0.76 kgf-m, 5.5 ft-lb)

C: INSPECTION

1. CHECK WITH SUBARU SELECT MONITOR

1) Connect the Subaru Select Monitor to data link connector.

  1. Run the "PC application for Subaru Select Monitor".
  2. On "Main Menu" display, select {Each System Check}.
  3. Select {Brake Control System}. When {VDC} is displayed, select the [OK] button.
  4. From {Current Data Display & Save}, select {FR Wheel Speed} and {FL Wheel Speed}.

2) Check if the speed indicated on the display changes in the same manner as the speedometer reading during acceleration/deceleration when the steering wheel is in the straight-ahead position.

3) If the speed indicated on the display does not change in the inspection, check the ABS wheel speed sensor.

<Ref. to VDC-30, CHECK ABS WHEEL SPEED SENSOR UNIT., INSPECTION, Front ABS Wheel Speed Sensor.>

2. CHECK ABS WHEEL SPEED SENSOR UNIT

1) Visually check the tip of the ABS wheel speed sensor for foreign particles or damage. If necessary, clean the tip or replace the ABS wheel speed sensor.

2) Disconnect the ABS wheel speed sensor connector.

3) Check the ABS wheel speed sensor cable for discontinuity. If defective, replace the ABS wheel speed sensor.

4) Connect a 12 V power supply to No. 1 terminal of ABS wheel speed sensor connector, then attach resistance to the No. 2 terminal. Rotate the wheel at about 2.75 km/h (2 MPH), and measure the voltage using an oscilloscope.

Standard value of output voltage: 0.7 - 1.4 V

Subaru Outback. Vehicle Dynamics Control (VDC)

5) Replace the ABS wheel speed sensor if the inspection result is not within the standard value.

Rear ABS Wheel Speed Sensor

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Lift up the vehicle, and then remove the rear wheels.

3) Remove the rear ABS wheel speed sensor.

CAUTION:

  1. Remove the clips and turn over the mud guard.
  2. Disconnect the connector from the rear ABS wheel speed sensor, and remove the grommet.

Subaru Outback. Vehicle Dynamics Control (VDC)

  1. Remove the harness clamp and bolts, and remove the rear ABS wheel speed sensor from the rear axle housing.

Subaru Outback. Vehicle Dynamics Control (VDC)

B: INSTALLATION

CAUTION: Be careful not to damage the sensor.

Install each part in the reverse order of removal.

NOTE: Check the identification (mark) on the harness to make sure there is no warpage. <Ref. to VDC-2, SPECIFICATION, General Description.>

Tightening torque:
Rear ABS wheel speed sensor: 7.5 N*m (0.76 kgf-m, 5.5 ft-lb)
Rear ABS wheel speed sensor bracket: 7.5 N*m (0.76 kgf-m, 5.5 ft-lb)

C: INSPECTION

1. ABS WHEEL SPEED SENSOR

For inspection of rear ABS wheel speed sensor, refer to inspection of front ABS wheel speed sensor. <Ref.

to VDC-30, CHECK ABS WHEEL SPEED SENSOR UNIT., INSPECTION, Front ABS Wheel Speed Sensor.>

Front Magnetic Encoder

A: REMOVAL

Refer to "Front Hub Bearing" for removal, because the front magnetic encoder is integrated with front hub bearing. <Ref. to DS-23, REMOVAL, Front Hub Unit Bearing.>

B: INSTALLATION

Refer to "Front Hub Bearing" for installation, because the front magnetic encoder is integrated with front hub bearing. <Ref. to DS-26, INSTALLATION, Front Hub Unit Bearing.>

C: INSPECTION

Visually check the magnetic encoder for any damage. If necessary, replace with a new hub unit bearing.

NOTE: Because the magnetic encoder is integrated with hub unit bearing assembly, replace the hub unit bearing with a new part if there is any defect found on the magnetic encoder.

Rear Magnetic Encoder

A: REMOVAL

Refer to "Rear Hub Unit Bearing" for removal, because the rear magnetic encoder is integrated with rear hub unit bearing. <Ref. to DS-39, REMOVAL, Rear Hub Unit Bearing.>

B: INSTALLATION

Refer to "Rear Hub Unit Bearing" for installation, because the rear magnetic encoder is integrated with rear hub unit bearing. <Ref. to DS-43, INSTALLATION, Rear Hub Unit Bearing.>

C: INSPECTION

Visually check the magnetic encoder parts for any damage. If necessary, replace with a new hub unit bearing.

NOTE: Because the magnetic encoder is integrated with hub unit bearing assembly, replace the hub unit bearing with a new part if there is any defect found on the magnetic encoder.

VDC OFF Switch

A: REMOVAL

NOTE: The trunk opener switch is integrated with the VDC OFF switch. (Sedan model)

1) Remove the instrument panel lower cover. <Ref. to EI-64, REMOVAL, Instrument Panel Lower Cover.>

2) Release the claws and remove the VDC OFF switch.

Subaru Outback. Vehicle Dynamics Control (VDC)

B: INSTALLATION

Install each part in the reverse order of removal.

C: INSPECTION

1) Disconnect the VDC OFF switch connector.

2) Check the resistance between the VDC OFF switch terminals.

Preparation tool: Circuit tester

Subaru Outback. Vehicle Dynamics Control (VDC)

Subaru Outback. Vehicle Dynamics Control (VDC)

3) Replace the VDC OFF switch if the inspection result is not within the standard value.

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