Pinpoint Test D: Radio Interference

WARNING: This page is about a different car, the 2011 Jaguar XKR, 2011 Jaguar XK, 2010 Jaguar XKR, and 2010 Jaguar XK. 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 D 3.

NO: Go to D 2.
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 D 3. Go to step 3.

NO: DIAGNOSE the entertainment system. Refer to Audio System information.
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 information.

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 - Vehicles Without: Supercharger information.