Pinpoint Test A: Permanent Blank Screen Tests
- A1: PERMANENT BLANK SCREEN TEST 1 NOTE: A blank screen is the default display when the rear view camera is not transmitting an image.
- Refer to the appropriate system wiring diagrams and check the power and ground connections to the rear view camera
Are the power and ground circuits within specification?
Yes: GO to A2.
No: Repair power or ground circuit as necessary
- Refer to the appropriate system wiring diagrams and check the power and ground connections to the rear view camera
- A2: PERMANENT BLANK SCREEN TEST 2 CAUTION: Do not probe the coaxial cable connectors as they are prone to damage.NOTE: A Direct Current (DC) resistance measurement is not a reliable test method as the system operates at low voltage and high frequency.
- Check the integrity of the rear view camera coaxial cable connectors (at rear view camera, the touchscreen and in-line connectors)
- Check the coaxial cable for excessive bending, clamping and insulation damage
Is the rear view camera coaxial cable disconnected or damaged?
Yes: Reconnect or install a new coaxial cable as necessary
No: Install a new rear view camera