Audio/Video/Navigation (AVN) System: Troubleshooting: Camera

1. Features/Misdiagnose cases

Inspection	Description
(1) System features	Camera system features Change to H/U camera mode at gear R Steering wheel feature with CAN enabled Camera Diagnostic Trouble Code (DTC) feature added to CAN enabled camera Video Format - current: Analog/YG, HI: LVDS applied (New) Camera power ON (below 35~40 km/h, 2015 Q4) AVM system features Change to H/U Rear view camera and AVM display at gear R On gear D, Rear view → Front view change at speed below 10 km/h (AVM is ON) On gear D, Navigation mode change at speed above 10 km/h (AVM is ON) Video format: CVBS, S-VIDEO, Component, LVDS
Misdiagnose cases	Camera misdiagnose cases Video quality: Rear view camera have low quality spec (0.3 megapixel), dirt on lens Bumper showing too much: Camera angle Blinks on start of ignition: Black curtain process for AVN boot spec Parking guideline length: Camera location Blue screen: Possible camera output defect from AVN, AVM (Possible connector, cable defect) AVM misdiagnose cases Top view distortion: In-line correction error. Re-correction fixes issue Broken image pixel: Incomplete correction due to power OFF during correction process Camera screen defect (Top/Front/Rear/Left/Right): Possible camera defect

Inspection

Description

(1) System features

Camera system features
1. Change to H/U camera mode at gear R
2. Steering wheel feature with CAN enabled Camera
3. Diagnostic Trouble Code (DTC) feature added to CAN enabled camera
4. Video Format - current: Analog/YG, HI: LVDS applied (New)
5. Camera power ON (below 35~40 km/h, 2015 Q4)
AVM system features
1. Change to H/U Rear view camera and AVM display at gear R
2. On gear D, Rear view → Front view change at speed below 10 km/h (AVM is ON)
3. On gear D, Navigation mode change at speed above 10 km/h (AVM is ON)
4. Video format: CVBS, S-VIDEO, Component, LVDS

Misdiagnose cases

Camera misdiagnose cases
1. Video quality: Rear view camera have low quality spec (0.3 megapixel), dirt on lens
2. Bumper showing too much: Camera angle
3. Blinks on start of ignition: Black curtain process for AVN boot spec
4. Parking guideline length: Camera location
5. Blue screen: Possible camera output defect from AVN, AVM (Possible connector, cable defect)
AVM misdiagnose cases
1. Top view distortion: In-line correction error. Re-correction fixes issue
2. Broken image pixel: Incomplete correction due to power OFF during correction process
3. Camera screen defect (Top/Front/Rear/Left/Right): Possible camera defect

2. Camera issue (Black screen/Blue screen/Noise/Broken)

Issue	Inspection	Description
Camera issue (Black screen/Blue screen/Noise/Broken)	(1) Duplicate issue Check gear R Open/close door Test drive to duplicate issue	Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Check gear R (Normal: Camera+ Guide line + warning message) Open/close door test (Duplicate issue at angles) Fig 1: Screen Display - Drive Impact Courtesy of KIA MOTORS AMERICA, INC. Test drive (Drive impact) If issue duplicates, follow steps below
Camera issue (Black screen/Blue screen/Noise/Broken)	(2) Search & remove defect factor Connection Damage Camera power Display signal Wiring	* If AVM is installed, also test side doors Camera connection Fig 2: Checking Camera Connection Courtesy of KIA MOTORS AMERICA, INC. Remove trunk cover and find camera connector Connection must be locked in → Check display Check camera damage Fig 3: Checking Camera For Damage Courtesy of KIA MOTORS AMERICA, INC. Remove any dirt on lens Damage on lens, cracks → Moist inside camera Fault by customer if camera is physically damaged from outside Check camera voltage at gear R Fig 4: Checking Camera Voltage At Gear R Courtesy of KIA MOTORS AMERICA, INC. Red line: 6.5V, Black line: GND If there is no 6.5V input follow below steps (1) Cable (2) Power module Camera power source AVN Direct: AVN → Camera (2) AVM: AVM → Camera
Camera issue (Black screen/Blue screen/Noise/Broken) (2) Search & remove defect factor	Connection Damage Camera power Display signal Wiring	4. Check with other monitor Fig 5: Checking Video Input With Other Monitor Courtesy of KIA MOTORS AMERICA, INC. * If other monitor is not available, replace camera instead Use other monitor to test video input Yellow line: CVBS video, White: Video GND Monitor ◦/AVN X → AVN defect (2) Monitor X/AVN X → Camera defect 5. Check camera ↔ AVN wiring Fig 6: Checking Camera And AVN Wiring Courtesy of KIA MOTORS AMERICA, INC. Camera ↔ AVN Wiring check For Pin contact testing, include cable company if available Short on wire is common due to driving impact

3. Display issue (Display quality/Foggy/Foreign object)

Issue	Inspection	Description
Display issue (Quality/Foggy/Foreign Object)	(1) Duplicate issue Check gear R	Courtesy of KIA MOTORS AMERICA, INC. Duplicate issue by checking gear R (Normal: Compare with other vehicle)
Search & remove defect factor Camera status Open/close trunk test	Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Camera status Foreign object Damaged coating Clean lens using soft cloth Open/Close trunk test (Duplicate at certain angle) Lens assembly error caused lens move inside camera → Camera can be foggy

Issue

Inspection

Description

Display issue
(Quality/Foggy/Foreign Object)

(1) Duplicate issue

Check gear R

Courtesy of KIA MOTORS AMERICA, INC.

Duplicate issue by checking gear R
(Normal: Compare with other vehicle)

Search & remove defect factor

Camera status
Open/close trunk test

Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.

Camera status
1. Foreign object
2. Damaged coating
3. Clean lens using soft cloth
Open/Close trunk test
(Duplicate at certain angle)

Lens assembly error caused lens move inside camera → Camera can be foggy

4. Parking guideline (Distortion)

Issue	Inspection	Description
Parking guideline issue (Distortion)	Duplicate issue Use parking guideline to test parking	Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Use parking guideline to test parking Check if vehicle direction and guideline is match For safety, guideline appears +10cm wider (left/right) than actual vehicle
(2) Search & remove defect factor Confirm specs Camera connection	Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Confirm specs (Normal: Vehicle ↔ guideline within +,-15cm) Camera connection Check camera bracket Check screw status Re-connect the screw and re-test Reason for 15cm deviation: 1. Camera setting deviation 2. Guideline width (Actual area 10cm)

Issue

Inspection

Description

Parking guideline issue (Distortion)

Duplicate issue

Use parking guideline to test parking

Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.

Use parking guideline to test parking
Check if vehicle direction and guideline is match
- For safety, guideline appears +10cm wider (left/right) than actual vehicle

(2) Search & remove defect factor

Confirm specs
Camera connection

Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.

Confirm specs
(Normal: Vehicle ↔ guideline within +,-15cm)
Camera connection
- Check camera bracket
- Check screw status
- Re-connect the screw and re-test

Reason for 15cm deviation: 1. Camera setting deviation 2. Guideline width (Actual area 10cm)

5. AVM (Distortion/Broken pixel)

Issue	Inspection	Description
AVM (Distortion/Broken pixel)	(1) Duplicate issue Parking test Broken pixel on certain area	Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Duplicate issue at gear R (Normal: Top view, parking line is straight) * Top view is displayed on the right Check for broken pixel (Cause: data store error during correction) Above issues can be treated with re-correction process
AVM (Distortion/Broken pixel)	(1) Search & remove defect factor Re-correction Replace Camera/AVM	Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Re-correction Service center AVM correction room (Recommended) If issue continues, replace camera/AVM and retest Possible camera output defect Possible correction data memory defect

5. AVM Defect (black & white screen)

Issue	Inspection	Description
AVM (No colors)	Duplicate issue Check gear R Test drive	Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Duplicate issue at gear R (Check black/white screen) Test drive to duplicate issue (Drive on rough road to supply shock with vehicle) OSD outputs from AVN *Color (OSD: Select view mode, Door open UI)
AVM (No colors)	(2) Search & remove defect factor Re-correction Replace test	* Check if issue gets resolved when tapping on AVM connector Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC. Inspect AVM VOUT_C Check vehicle spec (S-VIDEO, Component) Check with related department with vehicle spec Luminance (Y)+Color (C)=Video/Black screen if color signal is not available Component: Use 2 C signals (Cb, Cr) Cable/Connector issue Check AVM connector Connector connection (Must be locked) Check tension on Vehicle female connector VOUT_C (A10) tension (2.5 )