Rearview Camera Image Does Not Come On (2019)

2018 Acura TLX Base, 2.4L EngSECTION Rearview Camera Image Does Not Come On (2019)

NOTE: 

  1. Problem verification

    - 1. Turn the vehicle to the ON mode, then shift the transmission to R position/mode.

    If needed, start the engine, then apply the parking brake, and shift the transmission to R position/mode.

    Does the center display unit image change to rear view when the transmission is shifted to R position/mode?

    YES 

    Intermittent failure, the system is OK at this time.

    NO 

    The failure is duplicated, go to step 2.

  2. System Diagnostic Mode check

    - 1. Shift the transmission to P position/mode.

    - 2. Go into the System Diagnostic Mode, and use the System Links to check the Rear Camera icon status.

    Is the Rear Camera icon green?

    YES 

    Go to step 3.

    NO 

    Go to navigation DTC 2608 (R-Camera Diag) troubleshooting - Refer to: Audio-Navigation System DTC Troubleshooting: 2608 (2015-18) or Audio-Navigation System DTC Troubleshooting: 2608 (2019) .

  3. Determine possible failure area (BACK LT line, others)

    - 1. Go into the System Diagnostic Mode, and use the Rear Camera diagnosis.

    - 2. Press the SETTINGS button to check the rearview camera image.

    Does the rearview image appear?

    YES 

    Go to step 4.

    NO 

    Go to step 5.

  4. Open wire check (BACK LT line)

    - 1. Go into the System Diagnostic Mode, and use the Car Status diagnosis to check the BACK signal.

    - 2. Shift the transmission to R position/mode.

    Does the BACK signal change from [0] to [1] when the transmission is shifted from P position/mode to R position/mode?

    YES 

    Replace the audio-navigation unit .

    NO 

    Repair an open in the wire between the audio-navigation unit and the under-dash fuse/relay box.

  5. Determine possible failure area (CAMERA VCC line, others)

    - 1. Measure the voltage between test points 1 and 2.

    Test condition Vehicle ON mode
    Test point 1 Rearview camera 8P connector No. 2 (KA/KC models) - Refer to: Rearview Camera Connector For Inputs And Outputs (2015-17) or Rearview Camera Connector for Inputs and Outputs (2018-19)
      Rearview camera 12P connector No. 3 (KX model) - Refer to: Rearview Camera Connector For Inputs And Outputs (2015-17) or Rearview Camera Connector for Inputs and Outputs (2018-19)
    Test point 2 Body ground

    Is there about 3.0 - 9.0 V?

    YES 

    The CAMERA VCC wire is OK. Go to step 8. Refer to:  8

    NO 

    Go to step 6.

  6. Open wire check (CAMERA VCC line)

    - 1. Measure the voltage between test points 1 and 2.

    Test condition Vehicle ON mode
    Test point 1 Audio-navigation unit connector G (24P) No. 16 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 2 Body ground

    Is there about 3.0 - 9.0 V?

    YES 

    Repair an open in the wire between the audio-navigation unit and the rearview camera.

    NO 

    Go to step 7.

  7. Shorted wire check (CAMERA VCC line)

    - 1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Disconnect the following connectors.

    Audio-navigation unit connector G (24P)
    Rearview camera 8P connector (KA/KC models)
    Rearview camera 12P connector (KX model)

    - 3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Audio-navigation unit connector G (24P): disconnected
      Rearview camera 8P connector (KA/KC models): disconnected
      Rearview camera 12P connector (KX model): disconnected
    Test point 1 Audio-navigation unit connector G (24P) No. 16 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short to body ground in the wire between the audio-navigation unit and the rearview camera.

    NO 

    Replace the audio-navigation unit .

  8. Shorted wire check (CAMERA V line)

    - 1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Disconnect the following connectors.

    Audio-navigation unit connector G (24P)
    Rearview camera 8P connector (KA/KC models)
    Rearview camera 12P connector (KX model)

    - 3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Audio-navigation unit connector G (24P): disconnected
      Rearview camera 8P connector (KA/KC models): disconnected
      Rearview camera 12P connector (KX model): disconnected
    Test point 1 Audio-navigation unit connector G (24P) No. 15 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 2 Body ground

    Is there continuity?

    YES 

    There is a short to body ground in the wire between the audio-navigation unit and the rearview camera. Replace the affected shielded harness.

    NO 

    The CAMERA V wire is not shorted to ground. Go to step 9.

  9. Shorted wire check (CAMERA V line to another lines)

    - 1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Audio-navigation unit connector G (24P): disconnected
      Rearview camera 8P connector (KA/KC models): disconnected
      Rearview camera 12P connector (KX model): disconnected
    Test point 1 Audio-navigation unit connector G (24P) No. 15 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 2 Audio-navigation unit connector G (24P) No. 2 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 1 Audio-navigation unit connector G (24P) No. 15 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 2 Audio-navigation unit connector G (24P) No. 3 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)

    Is there continuity?

    YES 

    There is a short in the wires between the audio-navigation unit and the rearview camera. Replace the affected shielded harness.

    NO 

    The CAMERA V wire is not shorted. Go to step 10.

  10. Open wire check (CAMERA V line, CAMERA GND line)

    - 1. Check for continuity between test points 1 and 2.

    KA/KC models 

    Test condition Vehicle OFF (LOCK) mode
      Audio-navigation unit connector G (24P): disconnected
      Rearview camera 8P connector: disconnected
    Test point 1 Audio-navigation unit connector G (24P) No. 15 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 2 Rearview camera 8P connector No. 7 - Refer to: Rearview Camera Connector For Inputs And Outputs (2015-17) or Rearview Camera Connector for Inputs and Outputs (2018-19)
    Test point 1 Audio-navigation unit connector G (24P) No. 3 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 2 Rearview camera 8P connector No. 8 - Refer to: Rearview Camera Connector For Inputs And Outputs (2015-17) or Rearview Camera Connector for Inputs and Outputs (2018-19)

    KX model 

    Test condition Vehicle OFF (LOCK) mode
      Audio-navigation unit connector G (24P): disconnected
      Rearview camera 12P connector: disconnected
    Test point 1 Audio-navigation unit connector G (24P) No. 15 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 2 Rearview camera 12P connector No. 10 - Refer to: Rearview Camera Connector For Inputs And Outputs (2015-17) or Rearview Camera Connector for Inputs and Outputs (2018-19)
    Test point 1 Audio-navigation unit connector G (24P) No. 3 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)
    Test point 2 Rearview camera 12P connector No. 12 - Refer to: Rearview Camera Connector For Inputs And Outputs (2015-17) or Rearview Camera Connector for Inputs and Outputs (2018-19)

    Is there continuity?

    YES 

    The CAMERA V and the CAMERA GND wires are OK. Go to step 11.

    NO 

    There is an open in the wire (s) between the audio-navigation unit and the rearview camera. Replace the affected shielded harness.

  11. Rearview camera check

    - 1. Substitute a known-good rearview camera.

    - 2. Reconnect all the connectors, and recheck.

    Does the symptom go away?

    YES 

    Replace the original rearview camera.

    NO 

    Replace the audio-navigation unit .

Also Check for

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.