Pinpoint Test A: Blank Screen Tests
- BLANK SCREEN TESTS
Check screen switch is not OFF.
Is the screen turned OFF?
YES: Turn screen switch 'ON'. Re-test vehicle.
NO: Go to step 2.
- PASSENGER COMPARTMENT TEMPERATURE CHECK
Check the passenger compartment temperature is not below -20°C.
Is the passenger compartment below -20°C?
YES: Raise the temperature in the passenger compartment. Re-test vehicle.
NO: Go to step 3.
- PASSENGER COMPARTMENT CONDENSATION CHECK
Check for condensation occurring inside the passenger compartment.
Is condensation occurring inside the passenger compartment?
YES: Dry out the passenger compartment, re-test the vehicle.
NO: Go to step 4.
- AUDIO POWER BUTTON CHECK (RANGE ROVER ONLY)
Check the status of the audio power button LED.
Is the audio power button flashing?
YES: Carry out MOST Ring diagnostics to locate fault.
NO: Go to step 5.
- NAVIGATION SCREEN CHECK
Check to see if only the navigation screen is blank.
Is only the navigation screen blank?
YES: Refer to Pinpoint Test B .
NO: Go to step 6.
- AUDIO SCREEN CHECK (RANGE ROVER ONLY)
Check to see if only the audio screen is blank.
Is only the audio screen blank?
YES: Refer to Pinpoint Test E .
NO: Go to step 7.
- TV/DVD CHECK
Check to see if only the TV/DVD is blank.
Is only the TV/DVD screen blank?
YES: Refer to Pinpoint Test F .
NO: Go to step 8.
- HARNESS/CONNECTOR CHECKS
Check the display and power supply harness, power, auxiliary and ground circuits, for short, open circuits and are correctly connected.
Was a fault identified with the display and power supply harness, power auxiliary and ground connections?
YES: Rectify the fault and re-test the vehicle.
NO: Install a new display screen. module