Pinpoint Test H: Active Grille Air Shutter Movement Obstructed By Debris

NOTE: Some of the images shown below may show another vehicle and may not correspond to the layout of the vehicle being worked on

H1: IDENTIFICATION OF WHICH ACTIVE GRILLE IS OBSTRUCTED TEST

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1. Set the vehicle into active grille wash mode sequence by starting the engine, set the vehicle into sand mode. After 20 seconds the active grille will open. Using a flash light to look through the front bumper grilles and visually check for debris or other contaminants obstructing the upper and/or lower active grille air shutters to confirm which active vane is being obstructed.
  Does the upper active grille appear to be being obstructed?
  
  Yes : If the upper active grille appears to be obstructed GO to H2.
  
  No : If the lower active grille appears to be obstructed GO to H3.

H2: REPAIR PROCESS FOR THE UPPER ACTIVE GRILLE

Remove the front bumper radiator grille for access only (see TOPIx workshop service information, article FRONT BUMPER - steps 1 to 13)

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Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

Remove the upper active grille for access only
Using a low pressure water hose, flush out the debris/contaminant/obstruction by washing the ducts with a low pressure water jet until all debris are removed. Take care not to damage the cooling pack fins
Before re-installing the front bumper, repeat Step H1 (see above) to confirm if the active grille is now working properly
Is the active grille now working properly?

Yes : Re-install the front armature and front bumper (see TOPIx workshop service information, article FRONT BUMPER )

No : Replace the upper active grille. Retest. If issue is resolved, re-install the front armature and front bumper (see TOPIx workshop service information, article FRONT BUMPER )

H3: REPAIR PROCESS FOR THE LOWER ACTIVE GRILLE
1. Remove the front bumper radiator grille for access only (see TOPIx workshop service information, article FRONT BUMPER - steps 1 to 13)
2. Using a low pressure water hose, flush out the debris/contaminant/obstruction by washing the ducts with a low pressure water jet until all debris are removed. Take care not to damage the cooling pack fins
3. Before re-installing the front bumper, repeat Step H1 (see above) to confirm if the active grille is now working properly
  Is the active grille now working properly?
  
  Yes : Re-install the front armature and front bumper (see TOPIx workshop service information, article FRONT BUMPER )
  
  No : Replace the lower active grille. Retest. If issue is resolved, re-install the front bumper (see TOPIx workshop service information, article FRONT BUMPER )