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Home >> Land Rover >> 2012 >> LR4 HSE Lux >> Repair and Diagnosis (Single Page) >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Roof Opening Panel >> Roof Opening Panel >> Diagnostic Procedures >> Roof Opening Panel >> Symptom Chart

Symptom Chart

Symptom Possible Causes Action
Roof opening panel inoperative
  • Fuse(s) blown
  • Circuit fault
  • Switch fault
  • Motor fault
  • Refer to the electrical circuit diagrams
  • Check the fuse(s) (see visual inspection)
  • Check the roof opening panel circuits
  • Check the switch and motor function
  • One touch switch inoperative GO to Pinpoint Test A 
  • Roof opening panel inoperative GO to Pinpoint Test B 
Roof opening panel sticking
  • Debris in the channels/guides
  • Cable(s) sticking/damaged
  • Roof opening panel not correctly aligned
  • Switch fault
  • Motor fault
  • Check for general debris
  • Inspect, clean and lubricate the cable(s) and guides
  • Check the roof opening panel alignment REFER to:Roof Opening Panel Alignment 
  • Refer to the electrical circuit diagrams
  • Check the switch and motor function
  • GO to Pinpoint Test E 
Roof opening panel juddering
  • Debris in the channels/guides
  • Cable(s) sticking/damaged
  • Roof opening panel not correctly aligned
  • Motor fault
  • Check for general debris
  • Inspect, clean and lubricate the cable(s) and guides
  • Check the roof opening panel alignment REFER to:Roof Opening Panel Alignment 
  • Check the motor function
  • GO to Pinpoint Test E 
Water ingress from roof opening panel
  • Debris in the channels/guides
  • Drain tube(s) blocked
  • Damage to the glass panel seal
  • Roof opening panel not correctly aligned
  • Check for general debris
  • Check for blocked drain tube(s)
  • Inspect, clean and lubricate the cable(s) and guides
  • Check the glass panel seal
  • Check the roof opening panel alignment REFER to: Roof Opening Panel Alignment 
  • Water ingress GO to Pinpoint Test H 
Noise
  • Damage to the glass panel seal
  • Cable(s) sticking/damaged
  • Roof opening panel not correctly aligned
  • Check the glass panel seal
  • Inspect, clean and lubricate the cable(s) and guides
  • Check the roof opening panel alignment REFER to: Roof Opening Panel Alignment 
  • Noise during operation GO to Pinpoint Test C 
  • Noise in open or tilt position GO to Pinpoint Test D 
  • Wind noise GO to Pinpoint Test I