Pinpoint Test D: Radio Interference

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2015 Jaguar XKR-S, 2015 Jaguar XKR, 2015 Jaguar XK, 2014 Jaguar XKR-S, and 2014 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.

D1: CHECK IF THE GENERATOR IS THE CAUSE OF THE RADIO INTERFERENCE
1. Start and run the engine at 1500 rpm.
2. Turn the radio to the ON position, and select the affected station.
Is the radio interference present?
- Yes: GO to D3.
- No: GO to D2.
D2: CHECK IF THE GENERATOR IS THE CAUSE OF THE RADIO INTERFERENCE WITH A HIGH ELECTRICAL LOAD APPLIED TO THE BATTERY
1. Start and run the engine at 1500 rpm.
2. Apply a high electrical load to the battery.
3. Turn the radio to the ON position, and select the affected station.
Is the radio interference present?
- Yes: GO to D3 . GO to D3.
- No : DIAGNOSE the entertainment system.
  Refer to: Audio System (Diagnosis and Testing).
D3: ELIMINATE THE GENERATOR AS THE CAUSE OF RADIO INTERFERENCE
1. Disconnect generator electrical connector PI048.
2. Start and run the engine at 1500 rpm.
3. Turn the radio to the ON position, and select the affected station.
Is the radio interference present?
- Yes : DIAGNOSE the entertainment system.
  Refer to: Audio System (Diagnosis and Testing).
- No : CLEAN and tighten all mounting points, positive and negative cable connections (including the hood, luggage compartment lid and engine GROUND straps). INSTALL fuse 5 to the RJB.
  TEST the system for normal operation. If interference is still present, INSTALL a new generator.
  
  Refer to: Generator (Removal and Installation).