Kia Stinger: Windshield Wiper/Washer

Kia Stinger CK 2018-2024 Service Manual / Windshield Wiper/Washer

Components and components location

Component Location

1. Windshield wiper arm & blade
2. Wiper & washer switch
3. Windshield washer hose & nozzle
4. Wiper motor & linkage assembly

5. Washer motor
6. Washer fluid level sensor
7. Washer reservoir tank
8. Wiper/Washer relay (Built-in Metal core block PCB)

Windshield Wiper-Washer Switch

Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the steering wheel. (Refer to Steering System - "Steering Wheel")

3.	Remove the steering column upper and lower shrouds after loosening the screws. (Refer to Body - "Steering Column Shroud Panel")

4.	Remove the clock spring. (Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring")

5.	Disconnect the multifunction switch connector (A).

6.	Remove the multifunction switch assembly (A) after loosening the mounting screws.

Installation

1.	Install the multifunction switch.

2.	Install the clock spring.

3.	Install the steering column upper and lower shrouds.

4.	Install the steering wheel.

5.	Connect the negative (-) battery terminal.

Inspection

Multifunction Switch Inspection

Check for continuity between the terminals in each switch position as shown below.

[Left Handle Drive]

Switch	Switch position	Switch terminal	Resistance (Ω, ±3%)
Front wiper switch	MIST	1-9	330
	OFF		∞
	Intermittent (AUTO)		800
	LOW		1800
	HIGH		5700

[Right Handle Drive]

Switch	Switch position	Switch terminal	Resistance (Ω, ±3%)
Front wiper switch	MIST	3-16	330
	OFF		∞
	Intermittent (AUTO)		800
	LOW		1800
	HIGH		5700

Inspection (With KDS)

In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (KDS).

The diagnostic system(KDS) provides the following information.

(1)	Self diagnosis : Checking failure and code number (DTC)

(2)	Current data : Checking the system input/output data state

(3)	Actuation test : Checking the system operation condition

(4)	Additional function : Controlling other features including system option setting and zero point adjustment

2.	Select the 'Car model' and the 'Intergrated body control unit (IBU)' to be checked in order to check the vehicle with the tester.

3.	Select the 'Current Data' menu to search the current state of the input/output data.

Front Wiper Motor

Components and components location

Component Location

1. Cap
2. Nut
3. Wiper arm & blade
4. Cowl top cover

5. Bolt / Nut
6. Wiper motor & linkage assembly
7. Wiper motor connector

Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

If necessary, release the wiper blade fixing clip by pulling up and remove the wiper blade from the inside radius (A) of wiper arm.

•	Move the windshield glass wiper blades to the service position as follows; After turning off the engine, move the wiper switch to the single wiping (MIST) position within 20 seconds and hold the switch more than 2 seconds until the wiper blade is in the service position.

•	After turning ignition to the ON position, move the wiper switch to the single wiping (MIST) and wiper arms will return to the normal operating position.

3.	Remove the cowl top cover. (Refer to Body - "Cowl Top Cover")

4.	Disconnect the wiper motor connector (A).

5.	Remove the wiper motor & linkage assembly (A) after loosening the mounting bolts and nut.

Hold the wiper motor crank arm and remove the upper linkage (A).

•	Before removing the wiper motor and linkage assembly, make sure that the linkage is stopped at auto stop position.

•	To correctly install the wiper motor crank arm, check that the linkage is aligned with the crank arm in straight line and check the angle of each linkage.

•	Be careful not to bend the linkage.

Remove the lower linkage (A) from the wiper motor crank arm.

•	To correctly install the wiper motor crank arm, check that the linkage is aligned with the crank arm in straight line and check the angle of each linkage.

•	Be careful not to bend the linkage.

8.	Remove the crank arm (B) after loosening a nut (A).

9.	Remove the wiper motor (A) after loosening the mounting bolts.

Installation

1.	Install the wiper motor.

Install the crank arm.

Tightening torque :

14.7 - 19.6 N·m (1.5 - 2.0 kgf·m, 10.8 - 14.5 lb·ft)

To install the wiper motor crank arm, make sure that the linkage is aligned with the crank arm in straight line and set the angle of each linkages exactly.

3.	Install the lower and upper linkage to the wiper motor crank arm.

Install the wiper motor and linkage assembly and then connect the wiper motor connector.

Tightening torque :

6.9 - 10.8 N·m (0.7 - 1.1 kgf·m, 5.1 - 8.0 lb·ft)

5.	Install the cowl top cover.

Install the windshield wiper arm and blade.

Tightening torque :

22.5 - 26.5 N·m (2.3 - 2.7 kgf·m, 16.6 - 19.5 lb·ft)

The windshield wiper motor must be cycled to make sure that it is in the park position.

If necessary, adjust the wiper arm and blade.

7.	Install the wiper arm and blade to the specified position. Auto stop position (Blade)

Inspection

Remove the connector from the wiper motor.

No.	Description
1	-
2	IGN2
3	Wiper motor (Parking)
4	Wiper motor (High)
5	Ground
6	Wiper motor (Low)

2.	Attach the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 5.

Inspection (With KDS)

In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (KDS).

The diagnostic system(KDS) provides the following information.

(1)	Self diagnosis : Checking failure and code number (DTC)

(2)	Current data : Checking the system input/output data state

(3)	Actuation test : Checking the system operation condition

(4)	Additional function : Controlling other features including system option setting and zero point adjustment

2.	Select the 'Car model' and the 'Intergrated body control unit (IBU)' to be checked in order to check the vehicle with the tester.

3.	Select the 'Current Data' menu to search the current state of the input/output data.

Front Washer Motor

Repair procedures

Inspection

Front Washer Motor

With the washer motor connected to the reservoir tank, fill the reservoir tank with water.

•	Before filling the reservoir tank with water, check the filter for foreign material or contamination. if necessary, clean the filter.

2.	Connect positive (+) battery cables to terminal 2 and negative (-) battery cables to terminal 1 respectively.

3.	Check that the motor operates normally and the washer motor runs and water sprays from the front nozzles.

4.	If they are abnormal, replace the washer motor.

Washer Fluid Level Sensor Switch

1.	Disconnect the negative (-) battery terminal.

2.	Drain the washer fluid less than 650 cc.

3.	Check for continuity between the No. 1 and No.2 terminal in each float position. There should be continuity when the float is down. There should be no continuity when the float is up.

4.	If the continuity is not as specified, replace the washer fluid level switch

5.	If the continuity is not as specified, replace the washer fluid level switch.

Removal

Front Washer Motor

1.	Disconnect the negative (-) battery terminal.

2.	Remove the engine room under cover. D 2.2 R VGT (Refer to Engine Mechanical System - "Engine Room Under Cover") G 2.0 T-GDI THETA II (Refer to Engine Mechanical System - "Engine Room Under Cover") G 3.3 T-GDI LAMBDA II (Refer to Engine Mechanical System - "Engine Room Under Cover")

3.	Remove the front wheel guard [RH]. (Refer to Body - "Front Wheel Guard")

4.	Drain the washer fluid to less than 650 cc.

5.	Disconnect the washer hose (A) and washer motor connector (B).

6.	Remove the front washer motor (C).

Washer Fluid Level Sensor Switch

1.	Disconnect the negative (-) battery terminal.

2.	Remove the engine room under cover. D 2.2 R VGT (Refer to Engine Mechanical System - "Engine Room Under Cover") G 2.0 T-GDI THETA II (Refer to Engine Mechanical System - "Engine Room Under Cover") G 3.3 T-GDI LAMBDA II (Refer to Engine Mechanical System - "Engine Room Under Cover")

3.	Remove the front wheel guard [RH]. (Refer to Body - "Front Wheel Guard")

4.	Drain the washer fluid to less than 650 cc.

5.	Remove the washer fluid level sensor switch (B) after disconnecting the connector (A).

Reservoir Tank

1.	Disconnect the negative (-) battery terminal.

2.	Remove the front bumper assembly. (Refer to Body - "Front Bumper Assembly")

3.	Remove the front wheel guard [RH]. (Refer to Body - "Front Wheel Guard")

4.	Drain the washer fluid to less than 650 cc.

5.	Disconnect the washer hoses (A) and connector (B).

6.	Remove the reservoir tank (C) after loosening the bolts.

Installation

Front Washer Motor

If necessary, clean the washer motor filter.

Before installing the pump motor, check the filter for any foreign material or contamination. If necessary, clean the filter in the pump motor.

2.	Install the front washer motor.

3.	Connect the front washer motor connector.

4.	Install the front wheel guard [RH].

5.	Install the engine room under cover.

6.	Connect the negative (-) battery terminal.

Washer Fluid Level Sensor Switch

If necessary, clean the washer motor filter.

Before installing the pump motor, check the filter for any foreign material or contamination. If necessary, clean the filter in the pump motor.

2.	Install the washer fluid level sensor switch.

3.	Connect the washer fluid level sensor switch connector.

4.	Install the front wheel guard [RH].

5.	Install the engine room under cover.

6.	Connect the negative (-) battery terminal.

Reservoir Tank

If necessary, clean the washer motor filter.

Before installing the pump motor, check the filter for any foreign material or contamination. If necessary, clean the filter in the pump motor.

2.	Install the reservoir tank.

3.	Install the washer motor hose and connectors.

4.	Install the front wheel guard [RH].

5.	Install the front bumper assembly.

6.	Connect the negative (-) battery terminal.

Rain Sensor

Components and components location

Components and Components Location

1. Horizontal light sensor
2. Vertical light sensor
3. Solar load sensor

4. Rain sensor (Left)
5. Rain sensor (Right)

Schematic diagrams

Circuit Diagram

Description and operation

Description

Integrated Rain Sensor

Integrated rain sensor (A) controls three systems: front wiper, auto-light, and central air conditioner.

Wiper Control System

When "AUTO" switch signal is received from the multi-function switch on the right, the integrated rain sensor detects the amount of rainfall. The sensor is installed inside the upper part of the front window for wiper motor control.

This system automatically controls the operation duration and speed of the wiper depending on the measured amount of rainfall even if the driver does not operate the wiper switch.

Auto Light Control System

When "AUTO" signal is received from the multi-function switch on the left, the integrated rain sensor installed on the front window detects the brightness of the light and controls the operation of the head lamp and screen brightness of the internal multimedia.

This system automatically controls the brightness of the head lamp and the internal multimedia screen depending on the measured brightness even if the driver does not operate the lamp switch.

Central Air Conditioning System

When "AUTO" signal is received from the central air conditioner switch, the integrated rain sensor detects the amount of sunshine depending on the direction of the sunlight.

This system automatically controls the cooling system depending on the measured amount of sunshine even if the driver does not operate the air conditioner switch.

Functions and Operating Principles

Basic Principle

Detecting the amount of rainfall

The light (beam) emitted from light emitting diodes (LED) is totally reflected on the external surface of the windshield and comes back to the photo diodes. When there is water on the external surface of the windshield, the light is optically separated and reflected partially and the remaining brightness is measured by the photo diodes. Water remaining on the windshield results in the light being not totally reflected. The loss of brightness due to this indicates how much the glass surface is wet.

2.	Detecting light Brightness of light is measured by the diodes using the infrared light. The brightness of the outside of the vehicle is measured in two directions: (a) the upper direction and (b) the front direction. The measured amount of light is used to determine whether it is day or night.

3.	Detecting the amount of sunshine The system measures the amount of sunshine from the left and right sides and operates the air conditioner on the driver side or the passenger side.

Integrated rain sensor is composed of 2 LEDs and 2 photo diodes to detect rainfall, 2 photo diodes to detect light, 1 photo diode to detect the amount of sunshine, and bracket.

Operation Control

1.	When "AUTO" signal is received from the multi-function switch on the right, the integrated rain sensor detects the rainfall and controls the wiper motor.

2.	When “AUTO” signal is received from the multi-function switch on the left, the integrated rain sensor detects the brightness and controls the head lamp and internal multimedia brightness.

3.	When “AUTO” signal is received from the central air conditioner switch, the integrated rain sensor detects the amount of sunshine and controls the air conditioning system.

Interference

Integrated rain sensor might malfunction due to the interferences listed below.

1.	Dust on the measuring surface and other surfaces on the light path (surface of light emitting diodes and photo diodes, fiber optics, bracket, and glass surface of windshield joint area) weakens the received light.

2.	Movement of windshield and bracket

3.	Movement of bracket due to vibration

4.	Damaged wiper blade

5.	Damaged head lamp

6.	Damaged multimedia device

7.	Damaged air conditioning system

When the integrated rain sensor does not operate or malfunctions, the driver should operate the wiper switch manually.

When the integrated rain sensor does not operate or malfunctions, the driver should operate the head lamp switch manually.

When the integrated rain sensor does not operate or malfunctions, the driver should operate the air conditioner switch manually.

Automatic Operation

Operational status of rain sensor

Operation Mode	Operation
Direct Mode	It is the normal operational status of the integrated rain sensor when the wiper switch is in "Auto" and the sensor detected dry windshield. Based on this state, integrated rain sensor determines the operation mode of wiper depending on the rainfall and its duration.
Intermittent Mode	Integrated rain sensor activates the intermittent mode when wiper operation is done successively more than twice with a pause of 0.5 - 5 seconds.
Low Speed	The wiper operates continuously in low speed
High Speed	The wiper operates continuously in high speed

Operational status of light sensor

Operation Mode	Operation
Auto Mode	It is the normal operational status of the integrated rain sensor when the head lamp switch is in "Auto" and the sensor detected the brightness of the light. Based on this state, the Integrated rain sensor determines the operation mode of head lamp and internal multimedia depending on the amount of light measured.
Low beam ON	The lamp and multimedia turn on at medium brightness.
High beam ON	The lamp and multimedia turn on at maximum brightness.

Operational status of solar load sensor

Operation Mode	Operation
Auto Mode	It is the normal operational status of the integrated rain sensor when the air conditioner switch is in "Auto" and the sensor detected the amount of sunshine. Based on this state, the integrated rain sensor determines the operation mode of air conditioning system depending on the amount of sunshine measured.
Manual Mode	The cooling intensity is controlled manually.

Safety Function High

1.	When there is ice or foreign substance in the detecting area, integrated rain sensor cannot recognize the condition for operation correctly.

Detecting Special Conditions

Rain sensor

Special Condition	Operation based on special conditions detecting
Splash	When integrated rain sensor detects a high level of water (splash) in Direct or Intermittent mode, the system switches from Park to High speed. Then, wiping is done once in High speed and once more in Low speed. If the condition of rainfall does not change after wiping, it returns to the original condition (Direct or Intermittent).
Smearing	Smearing is a thin oil film that has dried fast and occurs when a small amount of raindrops is wiped by a dirty or worn-out wiper blade. Operational signal should not be issued when smearing occurs in Direct or Intermittent mode.
Dirt	When no change is detected after wiping, integrated rain sensor determines that the windshield is dirty. In this state, operational signal should not be issued. If the windshield becomes clean (for example, by washer fluid), the integrated rain sensor returns to the normal condition.
Automatic change of sensitivity between day and night	Integrated rain sensor automatically adjusts the sensitivity between day and night using a day & night sensor.
Compensating for the level of illumination in the surrounding area	The system operates normally by compensating for the interference due to illumination in the surrounding area.
Washer fluid	Integrated rain sensor does not respond to the washer fluid during the Washer mode. In other words, wiping speed does not change even if the washer fluid is sprayed (automatic operation of the washer pump is not reflected in the functioning of integrated rain sensor).

Light sensor

Special Condition	Operation based on special conditions
Pedestrian overpasses / high rise buildings / street trees	Integrated rain sensor prevents the head lamp from blinking when it detects lightness while passing by the pedestrian overpasses, high rise buildings, or street trees during the day. However, head lamp might turn on when the sensor determines it as night time while passing by the places mentioned above.
Tunnels	Integrated rain sensor recognizes a tunnel when the vehicle passes by it during the day. When entering the tunnel, the integrated rain sensor recognizes the tunnel and turns on the head lamp immediately and turns off the head lamp several seconds after escaping the tunnel.

Repair procedures

Inspection

Check point for rain sensor:

1.	To properly adjust sensitivity if auto wiping operates sensitively or insensitively.

2.	To check if a connector of sensor is normally connected

3.	To check if sensor and bracket are normally connected.

4.	To check if sensor are contaminated by foreign substances (In case that silicone gel pad of rain sensor is polluted by foreign substances, rain sensor can be reusable after they are removed by sticker roller.)

To check if silicone gel pad on sensor is damaged.

–	If the damaged area of silicone gel pad is more than 1.5mm (0.0591in.), then the perfect appearance and the function are not guaranteed anymore. Therefore, silicone gel pads need to be replaced. (Refer to Rain Sensor - "Replacement")

Failure case

NO.	Case	Picture	Status	Remark
1	Damage of silicone gel pad for rain sensor		- Auto wiper does not operate intermittently	Auto wiper does not activate according to damaged silicone gel pad range
2	Detached silicone gel pad from rain sensor		- Auto wiper does not operate intermittently	Auto wiper does not activate according to detached silicone gel pad range
3	Completely plugged-out rain sensor from wiring connector		- Auto wiper does not activate - DTC code can be checked through diagnostic device	DTC related with LIN communication error occurs
4	Incompletely plugged-out rain sensor from wiring connector		- Auto wiper does not operate intermittently - DTC code can be checked through diagnostic device	DTC related with LIN communication error could occur if auto wiper does not activate
5	Clamp of rain sensor incompletely assembled with bracket		- Auto wiper does not activate	Auto wiper does not operate intermittently according to detached range from windshield
6	LIN communication error	Rain sensor fault Communication fault	- Auto wiper does not activate - DTC code can be checked through diagnostic device	DTC related with LIN communication error occurs or caused by case 3 or case 4

Removal

Caution for handling

•	Carefully separate the rain sensor from the windshield as it may be damaged if separated by force.

•	Do not touch sensing area of silicone.

•	Be careful for contamination of foreign substances on silicone gel pad.

•	After removing the rain sensor, protect the sensor surface with protection cover until installing the rain sensor to bracket for accurate function.

1.	Remove the mirror wiring cover (A).

2.	Disconnect the rain sensor connector (A).

3.	Be careful not to damage the cover latch by applying excessive force. To remove the bracket, pull the holes of the bracket outside using a small flat-head screwdriver (A).

4.	Rain sensor module is attached to the front windshield by glue. When replacing the front windshield, remove the rains sensor module form the existing front windshield and install it on the new front windshield.

Installation

Install in the reverse order of removal.

•	When reuse the rain sensor, check the silicone gel pad for damages, soiling and air bubbles.

–	If the damaged area of silicone gel pad is more than 1.5mm (0.0591in.), then the perfect appearance and the function are not guaranteed anymore. Therefore, silicone gel pads need to be replaced. (Refer to Rain Sensor - "Replacement")

–	The silicone gel pad has to be free of dirt. In case that silicone gel pad of rain sensor is polluted by foreign substances, rain sensor can be reusable after they are removed by sticker roller.

•	Matters that require attention when installing the rain sensor.

–	Be careful when detaching protection cover from rain sensor because silicone gel pad could be damaged.

–	Do not touch the silicone gel pad.

–	Be careful not to damage the silicone gel pad during assembly.

–	The windshield glass has to be clean and free of contamination or foreign substances.

–	Do not snap both spring arms at the same time. (Important : two times click sound)

–	Check the snap fit condition between spring and bracket after installing.

–	After installing the rain sensor, check the silicone gel pad for air bubbles. (Press the rain sensor several times, if air bubbles occurred.)

Replacement

Gel pad

Remove the damaged silicone gel pad completely on the lens plate of rain sensor.

•	The silicone gel must be fully detached from the rain sensor by rubbing it off with the fingers without any tool.

•	The surface of the lens plate must neither be damaged nor polluted by this activity.

It is recommended to remove any residues from the lens plate surface with pressurized air.

2.	Remove the two protection foils (A) from the gel pad.

Attach the silicone gel pad (A) on the lens plate of rain sensor by hand.

In case that silicone gel pad of rain sensor is polluted by foreign substances, remove the foreign substances by using the sticker roller.

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