Navigation System Symptom Troubleshooting - Rearview camera image does not change when selecting different views(With Display Audio)
NOTE:
- 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, go to Rearview camera image does not come on or work properly troubleshooting - Refer to: Navigation System Symptom Troubleshooting - Audio-navigation unit button illumination does not work(With Display Audio) Navigation System Symptom Troubleshooting - Rearview camera image does not change when selecting different views(With Display Audio) Navigation System Symptom Troubleshooting - Audio-navigation unit will not turn on (No information display and no sound) (With Display Audio) Navigation System Symptom Troubleshooting - Voice control does not work/respond(With Display Audio) Navigation System Symptom Troubleshooting - Vehicle position icon wanders across the map when driving (does not follow a displayed road) or map vehicle ICON spins(With Display Audio) Navigation System Symptom Troubleshooting - Rearview camera image does not come on or work properly(With Display Audio) .
- Check the connectors for poor connections or loose terminals.
- 1. 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.
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.
- 2. Shorted wire check (CAMERA BIT0 line, CAMERA BIT1 line):
- 1. Shift the transmission to P position/mode.
- 2. Turn the vehicle to the OFF (LOCK) mode.
- 3. Disconnect the following connectors.
Audio-navigation unit connector G (24P) Rearview camera 12P connector - 4. Check for continuity between test points 1 and 2.
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. 5 Test point 2 Body ground Test point 1 Audio-navigation unit connector G (24P) No. 18 Test point 2 Body ground Is there continuity?
YES
Repair a short to body ground in the wire(s) between the rearview camera and the audio-navigation unit.
NO
The CAMERA BIT0 and the CAMERA BIT1 wires are not shorted to ground. Go to step 3.
- 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 G (24P): disconnected Rearview camera 12P connector: disconnected Test point 1 Audio-navigation unit connector G (24P) No. 5 Test point 2 Audio-navigation unit connector G (24P) No. 18 Is there continuity?
YES
Repair a short in the wires between the rearview camera and the audio-navigation unit.
NO
The CAMERA BIT0 and the CAMERA BIT1 wires are not shorted. Go to step 4.
- 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 G (24P): disconnected Rearview camera 12P connector: disconnected Test point 1 Audio-navigation unit connector G (24P) No. 5 Test point 2 Rearview camera 12P connector No. 2 Test point 1 Audio-navigation unit connector G (24P) No. 18 Test point 2 Rearview camera 12P connector No. 1 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 rearview camera and the audio-navigation unit.
- 5. Rearview camera check (substitution):
- 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