Pinpoint Test G: Radio Interference

G1 VERIFY THE GENERATOR IS THE SOURCE OF THE 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.
- 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 C102b
- Key in START position.
- With the engine running, determine if the interference is still present.
- Is the interference present with the generator disconnected?
1. YES : REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article for diagnosis and testing of the in-vehicle entertainment system.
2. NO : INSTALL a new generator. REFER to GENERATOR AND REGULATOR article. TEST the system for normal operation.