General Diagnostic Table: Inspection

Symptoms		Main probable cause	Other probable cause
Poor brake performance	Long braking/stop ping distance	VDCCM and 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 and G sensor or improper installation of VDCCM and H/U. Master cylinder Brake caliper Disc rotor Brake pipe Brake booster
	Wheel lock	VDCCM and 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 and G sensor or improper installation of VDCCM and H/U. Brake caliper Brake pipe
	Brake drag	VDCCM and 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 and G sensor or improper installation of VDCCM and H/U. Brake pad Brake pipe
	Long brake pedal stroke	Aeration to brake line Brake pedal play	VDCCM and H/U Master cylinder Brake caliper Brake pad Brake pipe Brake booster
	Vehicle vertical pitching	VDCCM and 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 and G sensor or improper installation of VDCCM and H/U.
Poor brake performance	Unstable or uneven braking	VDCCM and 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 and G sensor or improper installation of VDCCM and 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 rapidly While driving on a slippery road	Excessive brake pedal vibration	Road surface (uneven) Incorrect wiring or piping connections	VDCCM and H/U Brake booster Suspension play or fatigue (reduced damping)
	Noise from VDCCM and H/U	VDCCM and H/U (mount bushing) Defective ABS wheel speed sensor or sensor gap Brake pipe	VDCCM and H/U Defective steering angle sensor or improper neutral position Defective yaw rate and G sensor or improper installation of VDCCM and H/U.
	Noise from the front side of vehicle	VDCCM and 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 and 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 and G sensor or improper installation of VDCCM and H/U. Brake pad Brake pipe
Poor change-direction-operation stability of TCS	Deviation to right or left direction	VDCCM and H/U Defective ABS wheel speed sensor or sensor gap Defective steering angle sensor or improper neutral position Defective yaw rate and G sensor or improper installation of VDCCM and 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)
Poor change-direction-operation stability of TCS	Vehicle spin	VDCCM and H/U Defective ABS wheel speed sensor or sensor gap Defective steering angle sensor or improper neutral position Defective yaw rate and G sensor or improper installation of VDCCM and 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 and H/U Defective ABS wheel speed sensor or sensor gap Defective steering angle sensor or improper neutral position Defective yaw rate and G sensor or improper installation of VDCCM and 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 and H/U Defective ABS wheel speed sensor or sensor gap Defective steering angle sensor or improper neutral position Defective yaw rate and G sensor or improper installation of VDCCM and 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 operated.		Harness Combination meter Defective cockpit control module
Electronic parking brake warning light illuminates.	Parking brake system does not operate.	Defective parking brake switch Malfunction in VDCCM and H/U Defective CAN communication
Electronic parking brake warning light illuminates.	AVH function and accelerator interlocking release function do not operate.	Defective cockpit control module Malfunction signal reception from ECM Malfunction signal reception from TCM Faulty signal received from VDC control module Defective parameter selection for VDCCM and H/U CAN signal not received from ECM CAN signal not received from TCM CAN signal not received from body integrated unit Defective longitudinal G sensor
When the AVH function is set to ON, drugging of brake may occur when the vehicle starts to move.		-	Driver's seat belt is not fastened.