Pinpoint Test H: Radio Interference

H1 VERIFY THE GENERATOR IS THE SOURCE OF RADIO INTERFERENCE
NOTE: If the original equipment manufactured (OEM) audio unit has been replaced with an aftermarket unit, the vehicle may not pass this test. Return the vehicle to OEM condition before following this pinpoint test.
- Yes : refer to ENTERTAINMENT SYSTEM - GENERAL INFORMATION for diagnosis and testing of the in-vehicle entertainment system.
- No : INSTALL a new generator. refer to GENERATOR AND REGULATOR . TEST the system for normal operation.
- Key in START position. Start and run the engine.
- Tune the radio to a station where the interference is present.
- Key in OFF position.
- Disconnect: Generator C102c.
- Key in START position. With the engine running, determine if the interference is still present.
- Is the interference present with the generator disconnected?