Pinpoint Test H: Display Screen Will Not Switch To Low Light

WARNING: This page is about a different car, the 2006 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR FOREIGN OBJECTS
- Range Rover - Top right of display
- Discovery/Range Rover Sport - Instrument panel
Check for foreign objects adhered to the display light sensor.
Range Rover - Top right of display
Discovery/Range Rover Sport - Instrument panel
Are there any foreign objects adhered to the display light sensor?

YES: Remove foreign objects and re-test vehicle.

NO: Go to step 4.
VEHICLE LIGHT SWITCH TESTS
Check to see if display screen switches to low light when the vehicle light switch is pressed.

Does the display screen switch to low light when the vehicle light switch is pressed?

YES: Operation is normal.

NO: Go to step 5.
DISPLAY LIGHT SENSOR CHECK
Check to see if display screen switches to low light when sensor is covered.

Does the display screen switch to low light when the sensor is covered?

YES: Operation is normal.

NO: Range Rover Only - Install a new display screen. module Discovery/Range Rover Sport - Check CAN network between instrument cluster and display screen. If no fault evident, install a new instrument cluster. module