Navigation System Symptom Troubleshooting - Rearview Camera Image Does Not Change When Selecting Different Views (With Display Audio) (2017)
- Check the vehicle 12 volt battery condition first .
- You can select three different rearview camera angles for backing up. If there is no camera image on the display, Navigation System Symptom Troubleshooting - Rearview Camera Image Does Not Come On Or Work Properly (With Display Audio) (2017) .
- Check the connectors for poor connections or loose terminals.
- Problem verification
-1. Turn the vehicle to the ON mode.
- 2. Shift the transmission to R position/mode.
- 3. Operate the audio-navigation unit to see if the rearview image changes between the wide view, the normal view, and the top down view in this order.
Does the rearview camera image change properly?
YES
Intermittent failure, the system is OK at this time.
NO
The failure is duplicated, go to step 2.
- Shorted wire check (CAMERA BIT0 line, CAMERA BIT1 line)
-1. Shift the transmission to P position/mode or N position/mode.
- 2. Turn the vehicle to the OFF (LOCK) mode.
- 3. Disconnect the following connectors.
Audio-navigation unit connector C (24P) Rearview camera 8P connector - 4. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Audio-navigation unit connector C (24P): disconnected Rearview camera 8P connector: disconnected Test circuit 1 Test point 1 Audio-navigation unit connector C (24P) No. 5 - Refer to: Audio-Navigation Unit Connector for Inputs and Outputs (2014), or Audio-Navigation Unit Connector for Inputs and Outputs (2015), or Audio-Navigation Unit Connector for Inputs and Outputs (With Display Audio) (2017) Test point 2 Body ground Test circuit 2 Test point 1 Audio-navigation unit connector C (24P) No. 18 - Refer to: Audio-Navigation Unit Connector for Inputs and Outputs (2014), or Audio-Navigation Unit Connector for Inputs and Outputs (2015), or Audio-Navigation Unit Connector for Inputs and Outputs (With Display Audio) (2017) Test point 2 Body ground Is there continuity?
YES
Repair a short to body ground in the wire (s) between the audio-navigation unit and the rearview camera.
NO
The CAMERA BIT0 wire and CAMERA BIT1 wire are not shorted. Go to step 3.
- Shorted wire check (CAMERA BIT0 line to CAMERA BIT1 line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Audio-navigation unit connector C (24P): disconnected Rearview camera 8P connector: disconnected Test point 1 Audio-navigation unit connector C (24P) No. 5 - Refer to: Audio-Navigation Unit Connector for Inputs and Outputs (2014), or Audio-Navigation Unit Connector for Inputs and Outputs (2015), or Audio-Navigation Unit Connector for Inputs and Outputs (With Display Audio) (2017) Test point 2 Audio-navigation unit connector C (24P) No. 18 - Refer to: Audio-Navigation Unit Connector for Inputs and Outputs (2014), or Audio-Navigation Unit Connector for Inputs and Outputs (2015), or Audio-Navigation Unit Connector for Inputs and Outputs (With Display Audio) (2017) Is there continuity?
YES
Repair a short in the wires between the audio-navigation unit and the rearview camera.
NO
The CAMERA BIT0 and the CAMERA BIT1 wires are not shorted. Go to step 4.
- Open wire check (CAMERA BIT0 line, CAMERA BIT1 line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Audio-navigation unit connector C (24P): disconnected Rearview camera 8P connector: disconnected Test point 1 Audio-navigation unit connector C (24P) No. 5 - Refer to: Audio-Navigation Unit Connector for Inputs and Outputs (2014), or Audio-Navigation Unit Connector for Inputs and Outputs (2015), or Audio-Navigation Unit Connector for Inputs and Outputs (With Display Audio) (2017) Test point 2 Rearview camera 8P connector No. 3 - Refer to: Rearview Camera Connector for Inputs and Outputs (With Navigation) (2014 2015), or Rearview Camera Connector for Inputs and Outputs (With Display Audio) (2017) Test point 1 Audio-navigation unit connector C (24P) No. 18 - Refer to: Audio-Navigation Unit Connector for Inputs and Outputs (2014), or Audio-Navigation Unit Connector for Inputs and Outputs (2015), or Audio-Navigation Unit Connector for Inputs and Outputs (With Display Audio) (2017) Test point 2 Rearview camera 8P connector No. 4 - Refer to: Rearview Camera Connector for Inputs and Outputs (With Navigation) (2014 2015), or Rearview Camera Connector for Inputs and Outputs (With Display Audio) (2017) Is there continuity?
YES
The CAMERA BIT0 and the CAMERA BIT1 wires are OK. Go to step 5.
NO
Repair an open in the wire (s) between the audio-navigation unit and the rearview camera.
- Audio-navigation unit check 1 (CAMERA BIT0 line)
-1. Reconnect the following connectors.
Audio-navigation unit connector C (24P) Rearview camera 8P connector - 2. Turn the vehicle to the ON mode.
- 3. Shift the transmission to R position/mode.
- 4. Measure the voltage between test points 1 and 2 as specified in the table.
Test condition Vehicle ON mode Test point 1 Audio-navigation unit connector C (24P) No. 5 - Refer to: Audio-Navigation Unit Connector for Inputs and Outputs (2014), or Audio-Navigation Unit Connector for Inputs and Outputs (2015), or Audio-Navigation Unit Connector for Inputs and Outputs (With Display Audio) (2017) Test point 2 Body ground Selected view mode Voltage Wide View 0 V Normal View About 5 - 8 V Top Down View 0 V Is the voltage OK?
YES
Go to step 6.
NO
Replace the audio-navigation unit - Refer to: Audio-Navigation Unit Removal and Installation (2014 2015), or Audio-Navigation Unit Removal and Installation (With Display Audio) (2017) .
- Audio-navigation unit check 2 (CAMERA BIT1 line)
-1. Measure the voltage between test points 1 and 2 as specified in the table.
Test condition Vehicle ON mode Test point 1 Audio-navigation unit connector C (24P) No. 18 - Refer to: Audio-Navigation Unit Connector for Inputs and Outputs (2014), or Audio-Navigation Unit Connector for Inputs and Outputs (2015), or Audio-Navigation Unit Connector for Inputs and Outputs (With Display Audio) (2017) Test point 2 Body ground Selected view mode Voltage Wide View 0 V Normal View 0 V Top Down View About 5 - 8 V Is the voltage OK?
YES
NO
Replace the audio-navigation unit - Refer to: Audio-Navigation Unit Removal and Installation (2014 2015), or Audio-Navigation Unit Removal and Installation (With Display Audio) (2017) .