FixVault

Audio/Video/Navigation 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 35~40 km/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 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
    (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
    G12173529G12173530G12173531Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    G12173529G12173530G12173531Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    G12173529G12173530G12173531Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Check gear R

      (Normal: Camera+ Guide line + warning message)

    2. Open/close door test

      (Duplicate issue at angles)

    3. Test drive

      (Drive impact)

      • If issue duplicates, follow steps below
    Camera issue (Black screen/Blue screen/Noise/Broken) (1) Search & remove defect factor
    • Connection
    • Damage
    • Camera power
    • Display signal
    • Wiring
    * If AVM is installed, also test side doors
    G12173532G12173533G12173534Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Camera connection
      1. Remove trunk cover and find camera connector
      2. Connection must be locked in

        → Check display

      Fig 1: Checking Camera For Damage
      G12173533Courtesy of KIA MOTORS AMERICA, INC.
    2. Check camera damage
      1. Remove any dirt on lens
      2. Damage on lens, cracks

        → Moist inside camera

        • Fault by customer if camera is physically damaged from outside
      Fig 2: Checking Camera Voltage At Gear R
      G12173534Courtesy of KIA MOTORS AMERICA, INC.
    3. Check camera voltage at gear R
      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) (1) Search & remove defect factor
    • Connection
    • Damage
    • Camera power
    • Display signal
    • Wiring
    4. Check with other monitor
    * 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 <=>/AVN X AVN defect

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

    G12173535G12173536Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.

    5. Check camera <-> AVN wiring
    1. Camera <-> AVN Wiring check
    2. For Pin contact testing, include cable company if available
      • Short on wire is common due to driving impact
    G12173535G12173536Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
  3. Display issue (Display quality/Foggy/Foreign object)
    Issue Inspection Description
    Display issue (Quality/Foggy/Foreign Object) (1) Duplicate issue
    • Check gear R
    G12173537Courtesy 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
    G12173538G12173539Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    G12173538G12173539Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Camera status
      1. Foreign object
      2. Damaged coating
      3. Clean lens using soft cloth
    2. 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) (1) Duplicate issue
    • Use parking guideline to test parking
    G12173540G12173541Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    G12173540G12173541Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Use parking guideline to test parking
    2. 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
    G12173542G12173543Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    G12173542G12173543Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Confirm specs

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

    2. Camera connection
      • Check camera bracket
      • Check screw status
      • Re-connect the screw and re-test
        • Reason for 15 cm deviation: 1. Camera setting deviation 2. Guideline width (Actual area 10 cm)
  5. AVM (Distortion/Broken pixel)
    Issue Inspection Description
    AVM
    (Distortion/Broken pixel)
    (1) Duplicate issue
    • Parking test
    • Broken pixel on certain area
    G12173544G12173545Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    G12173544G12173545Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Duplicate issue at gear R

      (Normal: Top view, parking line is straight)

    2. Check for broken pixel

      (Cause: data store error during correction)

      * Top view is displayed on the right

      • Above issues can be treated with re-correction process
    (2) Search & remove defect factor
    • Re-correction
    • Replace Camera/AVM
    G12173546G12173547Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    G12173546G12173547Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    1. Re-correction
      1. Service center AVM correction room (Recommended)
    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
G12173548G12173549Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
G12173548G12173549Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
  1. Duplicate issue at gear R

    (Check black/white screen)

  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)
(2) Search & remove defect factor
  • Re-correction
  • Replace test
* Check if issue gets resolved when tapping on AVM connector Cable/Connector issue
G12173550G12173551Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
G12173550G12173551Courtesy 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)

  2. Check AVM connector
    1. Connector connection (Must be locked)
    2. Check tension on Vehicle female connector

      * VOUT_C (A10) tension (2.5 )