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

  1. Features/Misdiagnose cases
    Inspection Description
    (1) System features
    1. 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 35~40km/h, 2015 Q4)
    2. 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 10km/h (AVM is ON)
      3. On gear D, Navigation mode change at speed above 10km/h (AVM is ON)
      4. Video format: CVBS, S-VIDEO, Component, LVDS
    (2) Misdiagnose cases
    1. 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)
    2. 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
    G12792883G12792884G12792885Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Check gear R (Normal: Camera+ Guide line + warning message)
      Fig 1: Checking Gear R (Normal; Camera+ Guide Line + Warning Message)
      G12792884Courtesy of KIA MOTORS AMERICA, INC.
    2. Open/close door test (Duplicate issue at angles)
      Fig 2: Testing Open/Close Door (Duplicate Issue At Angles)
      G12792885Courtesy of KIA MOTORS AMERICA, INC.
    3. 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
    1. Camera connection
      Fig 3: Camera Connection Area
      G12792886Courtesy of KIA MOTORS AMERICA, INC.
      1. Remove trunk cover and find camera connector
      2. Connection must be locked in → Check display
    2. Check camera damage
      Fig 4: Checking Camera Damage Area
      G12792887Courtesy of KIA MOTORS AMERICA, INC.
      1. Remove any dirt on lens
      2. Damage on lens, cracks → Moist inside camera
        • Fault by customer if camera is physically damaged from outside
    3. Check camera voltage at gear R
      Fig 5: Checking Camera Voltage At Gear R
      G12792888Courtesy of KIA MOTORS AMERICA, INC.
      1. Red line: 6.5V, Black line: GND
      2. If there is no 6.5V input follow below steps (1) Cable (2) Power module
      3. Camera power source

        (1) 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
    1. 4. Check with other monitor
      Fig 6: Replacing Camera With Other Monitor
      G12792889Courtesy of KIA MOTORS AMERICA, INC.

      *If other monitor is not available, replace camera instead

      1. Use other monitor to test video input
      2. Yellow line: CVBS video, White: Video GND (1) Monitor O/AVN X → AVN defect

        (2) Monitor X/AVN X -→ Camera defect

    2. Check camera ↔ AVN wiring
      Fig 7: Checking Camera ↔ AVN Wiring
      G12792890Courtesy of KIA MOTORS AMERICA, INC.
      1. Camera ↔ AVN Wiring check
      2. 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
    G12792891Courtesy of KIA MOTORS AMERICA, INC.
    1. Duplicate issue by checking gear R (Normal: Compare with other vehicle)
    (2) Search & remove defect factor
    • Camera status
    • Open/close trunk test
    G12792892G12792893Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Camera status
      1. Foreign object
      2. Damaged coating
      3. Clean lens using soft cloth
      • Lens assembly error caused lens move inside camera - Camera can be foggy
      Fig 8: Moving Lens Assembly Error Caused Lens Inside Camera
      G12792893Courtesy of KIA MOTORS AMERICA, INC.
    2. Open/Close trunk test (Duplicate at certain angle)
  4. Parking guideline (Distortion)
    Issue Inspection Description
    Parking guideline issue (Distortion) (1) Duplicate issue
    • Use parking guideline to test parking
    G12792894G12792895Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Use parking guideline to test parking
      • For safety, guideline appears +10cm wider(left/right) than actual vehicle
      Fig 9: Checking Vehicle Direction Using Parking Guideline
      G12792895Courtesy of KIA MOTORS AMERICA, INC.
    2. Check if vehicle direction and guideline is match
    (2) Search & remove defect factor
    • Confirm specs
    • Camera connection
    G12792896G12792897Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Confirm specs

      (Normal: Vehicle ↔ guideline within +,-15cm)

      Fig 10: Checking Camera Connection
      G12792897Courtesy of KIA MOTORS AMERICA, INC.
    2. 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
    G12792898G12792899Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Duplicate issue at gear R (Normal: Top view, parking line is straight)

      *Top view is displayed on the right

      Fig 11: Checking AVM (Distortion/Broken Pixel)
      G12792899Courtesy of KIA MOTORS AMERICA, INC.
    2. Check for broken pixel (Cause: data store error during correction)
      • Above issues can be treated with re-correction process
    (2) Search & remove defect factor
    • Re-correction
    • Replace Camera/AVM
    G12792900G12792901Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Re-correction
      1. Service center AVM correction room (Recommended)
      Fig 12: Replacing Camera/AVM
      G12792901Courtesy of KIA MOTORS AMERICA, INC.
    2. If issue continues, replace camera/AVM and retest
      1. Possible camera output defect
      2. Possible correction data memory defect
  6. AVM Defect (black & white screen)
    Issue Inspection Description
    AVM (No colors) (1) Duplicate issue
    • Check gear R
    • Test drive
    G12792902G12792903Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Duplicate issue at gear R

      (Check black/white screen)

      Fig 13: Testing Drive To Duplicate Issue (Drive On Rough Road To Supply Shock With Vehicle)
      G12792903Courtesy of KIA MOTORS AMERICA, INC.
    2. 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)
    Search & remove defect factor
    • Re-correction
    • Replace test
    		 *Check if issue gets resolved when tapping on AVM connector
    G12792904G12792905Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Inspect AVM VOUT_C
      1. Check vehicle spec (S-VIDEO, Component) Check with related department with vehicle spec
      2. Luminance (Y)+Color (C)=Video/Black screen if color signal is not available

        *Component: Use 2 C signals (Cb, Cr)

        Cable/Connector issue

      Fig 14: Checking AVM Connector
      G12792905Courtesy of KIA MOTORS AMERICA, INC.
    2. Check AVM connector
      1. Connector connection (Must be locked)
      2. Check tension on Vehicle female connector VOUT_C(A10) tension (2.5 )
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