Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: General diagnostic table Inspection

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > General Diagnostic Table

INSPECTION

Symptoms

Main probable cause

Other probable cause

Poor brake performance

Long braking/stopping distance

VDCCM&H/U

Brake pad

Aeration to brake line

Tire specifications, tire wear and air pressures

Incorrect wiring or piping connections

Defective ABS wheel speed sensor or sensor gap

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Master cylinder

Brake caliper

Disc rotor

Brake pipe

Brake booster

Wheel lock

VDCCM&H/U

Defective ABS wheel speed sensor or sensor gap

Incorrect wiring or piping connections

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Brake caliper

Brake pipe

Brake drag

VDCCM&H/U

Defective ABS wheel speed sensor or sensor gap

Master cylinder

Brake caliper

Parking brake

Axle and wheels

Brake pedal play

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Brake pad

Brake pipe

Long brake pedal stroke

Aeration to brake line

Brake pedal play

VDCCM&H/U

Master cylinder

Brake caliper

Brake pad

Brake pipe

Brake booster

Vehicle vertical pitching

VDCCM&H/U

Road surface (uneven)

Suspension play or fatigue (reduced damping)

Incorrect wiring or piping connections

Defective ABS wheel speed sensor or sensor gap

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Poor brake performance

Unstable or uneven braking

VDCCM&H/U

Defective ABS wheel speed sensor or sensor gap

Brake caliper

Brake pad

Road surface (uneven)

Tire specifications, tire wear and air pressures

Incorrect wiring or piping connections

Defective ABS wheel speed sensor or sensor gap

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Master cylinder

Disc rotor

Brake pipe

Axle and wheels

Road with crowns or banks

Suspension play or fatigue (reduced damping)

Vibration or noise

When braking suddenly

When accelerating suddenly

While driving on a slippery road

Excessive brake pedal vibration

Road surface (uneven)

Incorrect wiring or piping connections

VDCCM&H/U

Brake booster

Suspension play or fatigue (reduced damping)

Noise from VDCCM&H/U

VDCCM&H/U (mount bushing)

Defective ABS wheel speed sensor or sensor gap

Brake pipe

VDCCM&H/U

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Noise from the front side of vehicle

VDCCM&H/U (mount bushing)

Defective ABS wheel speed sensor or sensor gap

Master cylinder

Brake caliper

Brake pad

Disc rotor

Brake pipe

Brake booster

Suspension play or fatigue (reduced damping)

Axle and wheels

Tire specifications, tire wear and air pressures

Noise from the rear side of vehicle

Defective ABS wheel speed sensor or sensor gap

Brake caliper

Brake pad

Disc rotor

Parking brake

Brake pipe

Suspension play or fatigue (reduced damping)

Axle and wheels

Tire specifications, tire wear and air pressures

Engine does not accelerate or goes into a stall when accelerating suddenly or driving on a slippery surface.

VDCCM&H/U

Defective ABS wheel speed sensor or sensor gap

Master cylinder

Brake caliper

Parking brake

Incorrect wiring or piping

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Brake pad

Brake pipe

Poor change-direction-operation stability of TCS

Deviation to right or left direction

VDCCM&H/U

Defective ABS wheel speed sensor or sensor gap

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Brake caliper

Brake pad

Wheel alignment

Road surface (uneven)

Road with crowns or banks

Tire specifications, tire wear and air pressures

Incorrect wiring or piping connections

Disc rotor

Brake pipe

Axle and wheels

Suspension play or fatigue (reduced damping)

Vehicle spin

VDCCM&H/U

Defective ABS wheel speed sensor or sensor gap

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Brake pad

Tire specifications, tire wear and air pressures

Incorrect wiring or piping connections

Brake caliper

Brake pipe

Steering wheel drag while driving

VDCCM&H/U

Defective ABS wheel speed sensor or sensor gap

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Incorrect wiring or piping connections

Power steering system

Brake caliper

Brake pad

Disc rotor

Wheel alignment

Road surface (uneven)

Road with crowns or banks

Suspension play or fatigue (reduced damping)

Tire specifications, tire wear and air pressures

VDC operates while driving normally.

VDCCM&H/U

Defective ABS wheel speed sensor or sensor gap

Defective steering angle sensor or improper neutral position

Defective yaw rate & G sensor or improper installation of VDCCM&H/U.

Wheel alignment

Road surface (uneven)

Road with crowns or banks

Suspension play or fatigue (reduced damping)

Tire specifications, tire wear and air pressures

Incorrect wiring or piping connections

Power steering system

VDC OFF indicator light does not illuminate when the VDC OFF switch is depressed.

NOTE:

When pressing VDC OFF switch for 10 seconds or more, VDC OFF indicator light goes off and cannot operate any more. When turning the ignition switch from OFF to ON, the previous status is restored.

Harness

Combination meter

VDC OFF switch

Electrical component location Location
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Electrical Component LocationLOCATION(1)VDC control module and hydraulic control unit (VDCCM&H/U)(7)VDC OFF indicator light(12)ABS wheel speed sen ...

Inspection mode Procedure
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Inspection ModePROCEDUREReproduce the malfunction occurrence condition as much as possible.Drive the vehicle at least ten minutes.NOTE:Make sure the v ...

Other materials:

Dtc c0056 g sensor abnormal
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C0056 G SENSOR ABNORMALDTC DETECTING CONDITION:Longitudinal G sensor signal failureTROUBLE SYMPTOM:• ABS does not operate.• VDC does not operate.• EyeSight does not operate. ...

Installation
REAR SUSPENSION > Rear StabilizerINSTALLATIONCAUTION:• Be sure to use a new flange nut and self-locking nut.• Always tighten the bushing in the state where the vehicle is at curb weight and the wheels are in full contact with the ground.• Install the clamp - stabilizer bushing w ...

Removal
CRUISE CONTROL SYSTEM > Cruise Control Command SwitchREMOVALCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">1. Set the tire to the straight-ahead po ...

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