Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Diagnosis and Testing Navigation System

PRINCIPLES OF OPERATION

For a detailed description of the information and entertainment system and operation, refer to the relevant Diagnosis and Testing section of the workshop manual. REFER to: Audio System (415-01 Information and Entertainment System, Description and Operation), Navigation System Map Updates (415-00 Information and Entertainment System - General Information, Description and Operation), Navigation System (415-01 Information and Entertainment System, Description and Operation).

INSPECTION AND VERIFICATION

  1. Verify the customer concern.
  2. Visually inspect for obvious signs of mechanical or electrical damage.
  3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
  4. If the cause is not visually evident, verify the symptom and refer to the Symptom Chart.

PRINCIPLES OF OPERATION

The information in this section is intended to help with basic diagnosis of the navigation system.

For a detailed description of the Navigation System, refer to the relevant Description and Operation section in the Workshop Manual.

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 Touch Screen(ts) and Navigation Diagnostics

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 Diagnosis and Testing Navigation System / Symptom chart

SYMPTOM: Black screen (navigation and audio screens do not display) POSSIBLE CAUSE: Temperature in passenger compartment too low Condensation in passenger compartment Electrical harnes

 Speakers

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