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Home >> Land Rover >> 2012 >> LR4 HSE Lux >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting >> Exterior Lighting >> Diagnosis And Testing >> AUTOLAMPS >> Symptom Chart

Symptom Chart

Symptom Possible Causes Action
Side and headlamp(s) inoperative when the autolamps option is selected
  • Fuse(s) blown
  • Lighting control switch fault
  • Steering column left multifunction switch fault
  • Autolamps circuit short circuit to ground, short circuit to power, open circuit, high resistance
  • Rain/Light sensor fault
  • LIN circuit fault
  • Check the fuse(s)
  • Test the operation of the lighting control switch
  • Test the operation of the steering column left multifunction switch
  • Refer to the electrical circuit diagrams and test the autolamps circuit for short circuit to ground, short circuit to power, open circuit, high resistance
  • Using the manufacturer approved diagnostic system, check the Central Junction Box (CJB) for related DTCs and refer to the relevant DTC index
Lighting control switch illumination inoperative
  • Fuse(s) blown
  • Lighting control switch fault
  • Check the fuse(s)
  • Test the operation of the lighting control switch
  • Using the manufacturer approved diagnostic system, check the Central Junction Box (CJB) for related DTCs and refer to the relevant DTC index