Vehicle Dynamics Control (Vdc) System: Other Subaru Outback BR рестайлинг

CAUTION

1. Wear appropriate work clothing, including a helmet, protective goggles and protective shoes when performing any work.
2. Remove contamination including dirt and corrosion before removal, installation or disassembly.
3. Keep the disassembled parts in order and protect them from dust and dirt.
4. Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from battery.
5. Before removal, installation or disassembly, be sure to clarify the failure. Avoid unnecessary removal, installation, disassembly and replacement.
6. Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
7. Be sure to tighten fasteners including bolts and nuts to the specified torque.
8. Place shop jacks or rigid racks at the specified points.
9. When removing, installing or replacing the VDCCM&H/U, bracket, steering wheel or steering angle sensor, perform the 0 point setting for each sensor. < Refer to «ADJUSTMENT»(ref-565186-S16232332342013071000000) , VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). >

GENERAL TOOL

Scheme 43

Note. For other related fuses, refer to the wiring diagram. < Refer to appropriate SYSTEM WIRING DIAGRAM. >

CHECK FUSE

1. Remove the fuse and inspect visually.
2. If the fuse is blown out, replace the fuse.

NOTE

For operation procedures of each component of the vehicle dynamics control system, refer to the respective service information.

1. VDC control module & hydraulic control unit (VDCCM&H/U): < Refer to «VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM&H/U)»(ref-565186-S14233233182013071000000) . >
2. Yaw rate & G sensor: < Refer to «YAW RATE AND G SENSOR»(ref-565186-S07335922022013071000000) . >
3. Steering angle sensor: < Refer to «STEERING ANGLE SENSOR»(ref-565186-S12678481122013071000000) . >
4. Front ABS wheel speed sensor: < Refer to «FRONT ABS WHEEL SPEED SENSOR»(ref-565186-S03819572932013071000000) . >
5. Rear ABS wheel speed sensor: < Refer to «REAR ABS WHEEL SPEED SENSOR»(ref-565186-S02268069012013071000000) . >
6. Front magnetic encoder: < Refer to «FRONT MAGNETIC ENCODER»(ref-565186-S31360395932013071000000) . >
7. Rear magnetic encoder: < Refer to «REAR MAGNETIC ENCODER»(ref-565186-S04150376592013071000000) . >
8. VDC OFF switch: < Refer to «VDC OFF SWITCH»(ref-565186-S19865621142013071000000) . >

Scheme 44

Scheme 45

Scheme 46

1. Disconnect the ground cable from battery.
2. Remove the air intake boot. H4 model: < Refer to «REMOVAL»(ref-565164-S05274062402013071000000) , Air Intake Boot. > H6 model: < Refer to «REMOVAL»(ref-565165-S25915665572013071000000) , Air Intake Boot. >
3. Remove the VDC control module & hydraulic control unit (VDCCM&H/U). Remove any dirt from around the VDCCM&H/U. Push the lock button (a), pull down the lock lever (b) and disconnect the VDCCM&H/U connector. CAUTION: Do not pull on the harness when disconnecting the connector. Using a flare nut wrench, disconnect each brake pipe from VDCCM&H/U. CAUTION: Wrap the brake pipe with a vinyl bag so as not to spill the brake fluid on the painted surface of the vehicle body. If brake fluid is spilled on the painted surface of the vehicle body, wash it off immediately with water and wipe clean. Remove the bolt, and then remove the VDCCM&H/U from the bracket damper. CAUTION: Do not drop or bump the VDCCM&H/U. Do not turn the VDCCM&H/U upside down or place it sideways for storage. Be careful not to let foreign matter enter the VDCCM&H/U. Be careful that no water and fluid enter the connectors.

MODELS WITH EyeSight

Scheme 47

Scheme 48

Scheme 49

1. Disconnect the ground cable from battery.
2. Remove the air intake boot. H4 model: < Refer to «REMOVAL»(ref-565164-S05274062402013071000000) , Air Intake Boot. > H6 model: < Refer to «REMOVAL»(ref-565165-S25915665572013071000000) , Air Intake Boot. >
3. Remove the VDC control module & hydraulic control unit (VDCCM&H/U). Remove any dirt from around the VDCCM&H/U. Push the lock button (a), pull down the lock lever (b) and disconnect the VDCCM&H/U connector. CAUTION: Do not pull on the harness when disconnecting the connector. Using a flare nut wrench, disconnect each brake pipe from VDCCM&H/U. CAUTION: Wrap the brake pipe with a vinyl bag so as not to spill the brake fluid on the painted surface of the vehicle body. If brake fluid is spilled on the painted surface of the vehicle body, wash it off immediately with water and wipe clean. Using a flare nut wrench, disconnect pipes (A) and (B) from VDCCM&H/U. Remove the bolt, and then remove the VDCCM&H/U from the bracket damper. CAUTION: Do not drop or bump the VDCCM&H/U. Do not turn the VDCCM&H/U upside down or place it sideways for storage. Be careful not to let foreign matter enter the VDCCM&H/U. Be careful that no water and fluid enter the connectors.

Scheme 50

1. Install the VDCCM&H/U. NOTE: Refer to the following figure for tightening torque. Set the VDCCM&H/U (a) to the bracket (b). Set the hose assembly (c) to the bracket (b). Set pipe A (d) and pipe B (e), and temporarily tighten the flare nuts. Tighten the VDCCM&H/U (a) and bracket (b). Tighten the hose assembly (c) and bracket (b). Tighten pipe A (d) and pipe B (e). Set the center pipes (f) to hose assembly (c), and temporarily tighten the flare nuts. Install the hose assembly (c) to the vehicle body. Tighten the flare nuts of the center pipes (f). Install the brake pipes (g). Tightening torque: T1: 7.5 N.m (0.76 kgf-m, 5.5 ft-lb) T2: 15 N.m (1.53 kgf-m, 11.1 ft-lb) T3: 18 N.m (1.84 kgf-m, 13.3 ft-lb) T4: 19 N.m (1.94 kgf-m, 14.0 ft-lb)
2. Connect the VDCCM&H/U connector.
3. Install the air intake boot. H4 model: < Refer to «INSTALLATION»(ref-565164-S07668311112013071000000) , Air Intake Boot. > H6 model: < Refer to «INSTALLATION»(ref-565165-S19209019292013071000000) , Air Intake Boot. >
4. Bleed air from the brake system. < Refer to «AIR BLEEDING»(ref-565173-S27236573602013071000000) . >
5. Perform parameter confirmation, selection, and registration. NOTE: When the VDCCM&H/U is replaced with a new part, be sure to perform the selection registration operation. For the selection and registration of parameter, the Subaru Select Monitor is required. When the registration has not been performed, the DTC code "Parameter selection error" is detected together with the ABS/EBD/VDC warning light illumination. Check that the applied model and grade of the relevant vehicle are included. < Refer to «PARAMETER CHECK»(ref-565192-S29929970482013071000000) , OPERATION, Subaru Select Monitor. > If the applied model and grade of the target vehicle are not included on the {Confirm on parameter} display screen, perform parameter selection and registration. < Refer to «PARAMETER SELECTION»(ref-565192-S01648262472013071000000) , OPERATION, Subaru Select Monitor. >
6. Perform mode setting for each sensor. Set up mode for Neutral of Steering Angle Sensor & Lateral G Sensor 0 point: < Refer to «SET UP MODE FOR NEUTRAL OF STEERING ANGLE SENSOR & LATERAL G SENSOR 0 POINT»(ref-565186-S28397563152013071000000) , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). > Longitudinal G sensor & lateral G sensor 0 point setting mode: < Refer to «LONGITUDINAL G SENSOR & LATERAL G SENSOR 0 POINT SETTING MODE»(ref-565186-S29355795692013071000000) , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). >

Scheme 51

1. Check the identification label (a) of the VDC control unit & hydraulic control unit (VDCCM&H/U). NOTE: For the identification label, < Refer to «SPECIFICATION»(ref-565186-S06609400972013071000000) , General Description. >
2. Check the condition of connection and settlement of connector, and correct or replace if defective.

Scheme 52

1. Lift up the vehicle, and then remove the wheel.
2. Remove the air bleeder screws from FL and FR caliper bodies.
3. Connect two pressure gauges to FL and FR caliper bodies. CAUTION: Use a pressure gauge used exclusively for brake fluid measurement. Do not use the pressure gauge used for the measurement of transmission oil. Doing so will cause the piston seal to expand and deform. NOTE: Wrap sealing tape around the pressure gauge.
4. Bleed air from the pressure gauges and the FL and FR caliper bodies.
5. Perform ABS sequence control. < Refer to «ABS SEQUENCE CONTROL»(ref-565186-S02584847622013071000000) . >
6. When the hydraulic unit begins to work, first the FL side performs decompression, hold and compression, and then the FR side performs decompression, hold and compression.
7. Read values indicated on the pressure gauge and check if the fluctuation of the values between decompression and compression meets the standard values. Depress the brake pedal and check that the kick-back is normal, and tightness is normal. Inspection conditions Front wheel Rear wheel Initial value 3, 500 kPa (36 kgf/cm 2 , 511 psi) 3, 500 kPa (36 kgf/cm 2 , 511 psi) When depressurized 500 kPa (5 kgf/cm 2 , 73 psi) or less 500 kPa (5 kgf/cm 2 , 73 psi) or less When pressurized 3, 500 kPa (36 kgf/cm 2 , 511 psi) or more 3, 500 kPa (36 kgf/cm 2 , 511 psi) or more
8. Disconnect the pressure gauges from FL and FR caliper bodies.
9. Install the air bleeder screws of FL and FR caliper bodies.
10. Remove the air bleeder screws from RL and RR caliper bodies.
11. Connect two pressure gauges to RL and RR caliper bodies.
12. Bleed air from RL and RR caliper bodies, and pressure gauge.
13. Perform ABS sequence control. < Refer to «ABS SEQUENCE CONTROL»(ref-565186-S02584847622013071000000) . >
14. When the hydraulic unit begins to work, first the RR side performs decompression, hold and compression, and then the RL side performs decompression, hold and compression.
15. Read values indicated on the pressure gauge and check if the fluctuation of the values between decompression and compression meets specification. Depress the brake pedal and check that the kick-back is normal, and tightness is normal.
16. Disconnect the pressure gauge from the RL and RR caliper bodies.
17. Install the air bleeder screws of RL and RR caliper bodies.
18. Bleed air from the brake system. < Refer to «AIR BLEEDING»(ref-565173-S27236573602013071000000) . >

Scheme 53

1. Set wheels other than the one to measure on free rollers.
2. Prepare for the ABS sequence control operation. < Refer to «ABS SEQUENCE CONTROL»(ref-565186-S02584847622013071000000) . >
3. Set the front wheels or rear wheels on the brake tester (a) and set the gear to neutral.
4. Operate the brake tester.
5. Perform ABS sequence control. < Refer to «ABS SEQUENCE CONTROL»(ref-565186-S02584847622013071000000) . >
6. When the hydraulic unit begins to work, check the following work sequence. The FL wheel performs decompression, hold and compression in sequence, and subsequently the FR wheel repeats the cycle. The RR wheel performs decompression, hold and compression in sequence, and subsequently the RL wheel repeats the cycle.
7. Read values indicated on the brake tester and check if the fluctuation of the values between decompression and compression meets specification. Inspection conditions Front wheel Rear wheel Initial value 1, 000 N (102 kgf, 225 lb) 1, 000 N (102 kgf, 225 lb) When depressurized 500 N (51 kgf, 112 lb) or less 500 N (51 kgf, 112 lb) or less When pressurized 1, 000 N (102 kgf, 225 lb) or more 1, 000 N (102 kgf, 225 lb) or more
8. After the inspection, depress the brake pedal and check that it is not abnormally hard, and tightness is normal.

SET UP MODE FOR NEUTRAL OF STEERING ANGLE SENSOR & LATERAL G SENSOR 0 POINT

After installing, replacing, or adjusting the following part, perform the Set up mode for Neutral of Steering Angle Sensor & Lateral G Sensor 0 point.

1. Steering angle sensor
2. Steering wheel
3. Suspension parts
4. Wheel alignment
5. VDCCM&H/U
6. VDCCM&H/U bracket

1. Set the steering wheel to the neutral position.
2. Connect the Subaru Select Monitor to data link connector. Run the "PC application for Subaru Select Monitor". On «Main Menu» display, select {Each System Check}. Select {Brake Control System}. When {VDC} is displayed, select the [OK] button. From {Current Data Display & Save}, select {Steer Angle Sensor Op}.
3. Check that the steering angle sensor output value is between -10 and 10 deg.
4. From {Function Check Sequence}, select {Set up mode for Neutral of Steering Angle Sensor & Lateral G Sensor 0 point}, and perform the setting according to the procedure displayed on the Subaru Select Monitor Screen.
5. Drive the vehicle for 10 minutes, and check that there is no system malfunction or the warning light illumination while driving.
6. Make sure that the DTC is not stored.

LONGITUDINAL G SENSOR & LATERAL G SENSOR 0 POINT SETTING MODE

After installing or replacing the following part, perform the longitudinal G sensor & lateral G sensor 0 point setting mode.

1. Suspension parts
2. VDCCM&H/U
3. VDCCM&H/U bracket

1. Park the vehicle on a level surface with all wheels aligned straight.
2. Connect the Subaru Select Monitor to data link connector. Run the "PC application for Subaru Select Monitor". On «Main Menu» display, select {Each System Check}. Select {Brake Control System}. When {VDC} is displayed, select the [OK] button. From {Current Data Display & Save}, select {Longitudinal G Sensor Output} and {Lateral G Sensor Output}.
3. Check that output values for the longitudinal G sensor and lateral G sensor are -2 - 2 m/s2.
4. From {Function Check Sequence}, select {Longitudinal G Sensor & Lateral G Sensor 0 Point Setting Mode}, and perform the setting according to the procedure displayed on the Subaru Select Monitor Screen.
5. Drive the vehicle for 10 minutes, and check that there is no system malfunction or the warning light illumination while driving.
6. Make sure that the DTC is not stored.

ABS SEQUENCE CONTROL WITH SUBARU SELECT MONITOR

Note. In the event of any trouble, the ABS sequence control will not operate.

1. Connect the Subaru Select Monitor to data link connector. Run the "PC application for Subaru Select Monitor". On «Main Menu» display, select {Each System Check}. Select {Brake Control System}. When {ABS} is displayed, select the [OK] button. Select the {ABS Sequence Control Mode} from {Function Check Sequence}.
2. Follow the procedures displayed in the Subaru Select Monitor to execute the following. When using a brake tester, press the brake pedal pad with a force of 1, 000 N (102 kgf, 225 lbf). When using a pressure gauge, press the brake pedal so that the pressure gauge indicates 3, 500 kPa (36 kgf/cm 2 , 511 psi).
3. The brake system being operated is displayed on the Subaru Select Monitor.

CONDITIONS FOR ABS SEQUENCE CONTROL

Note. The control operation starts at point A.

Scheme 54

CONDITIONS FOR COMPLETION OF ABS SEQUENCE CONTROL

When the following conditions develop, the ABS sequence control stops and ABS operation is returned to the normal control mode.

1. When the speed of at least one wheel reaches 10 km/h (6 MPH).
2. When the brake pedal is released during ABS sequence control and the stop light switch is becomes OFF.
3. After completion of ABS sequence control.
4. When a malfunction is detected.

VDC SEQUENCE CONTROL WITH SUBARU SELECT MONITOR

Note. In the event of any trouble, sequence control will not operate.

1. Connect the Subaru Select Monitor to data link connector. Run the "PC application for Subaru Select Monitor". On «Main Menu» display, select {Each System Check}. Select {Brake Control System}. When {VDC} is displayed, select the [OK] button. Select the {VDC Function Check Mode} from {Function Check Sequence}.
2. Operate according to the procedures displayed in the Subaru Select Monitor.
3. The brake system being operated is displayed on the Subaru Select Monitor.

CONDITIONS FOR VDC SEQUENCE CONTROL

Note. The control operation starts at point A.

Scheme 55

CONDITIONS FOR COMPLETION OF VDC SEQUENCE CONTROL

When the following conditions develop, the VDC sequence control stops and VDC operation is returned to the normal control mode.

1. When the speed of at least one wheel reaches 10 km/h (6 MPH).
2. After completion of VDC sequence control.
3. When a malfunction is detected.

Yaw rate & longitudinal G and lateral G sensor are integrated with the VDC control module & hydraulic control module (VDCCM&H/U).

YAW RATE & LONGITUDINAL G AND LATERAL G SENSOR SIGNAL

CHECK WITH SUBARU SELECT MONITOR

1. Connect the Subaru Select Monitor to data link connector. Run the "PC application for Subaru Select Monitor". On «Main Menu» display, select {Each System Check}. Select {Brake Control System}. When {VDC} is displayed, select the [OK] button. 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. < Refer to «CHECK ABS WHEEL SPEED SENSOR UNIT»(ref-565186-S27503160012013071000000) , INSPECTION, Front ABS Wheel Speed Sensor. >

Scheme 56

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

Scheme 57

Scheme 58

1. Disconnect the ground cable from battery.
2. Lift up the vehicle, and then remove the rear wheels.
3. Remove the rear quarter trim. < Refer to «REMOVAL»(ref-565181-S22900409132013071000000) , Rear Quarter Trim. >
4. Remove the rear ABS wheel speed sensor. CAUTION: Be careful not to damage the sensor. Do not apply excessive force to the sensor harness. Leave the sensor harness clamp on the vehicle side. Disconnect the connector from the rear ABS wheel speed sensor, and remove the grommet. Remove the harness clamp and bolts, and remove the rear ABS wheel speed sensor from the rear axle housing.

ABS WHEEL SPEED SENSOR

For inspection of rear ABS wheel speed sensor, < Refer to CHECK ABS WHEEL SPEED SENSOR UNIT , INSPECTION, Front ABS Wheel Speed Sensor. >