INSPECTION PROCEDURE 7: Mixed with Noise, Only at Night (AM).: Diagnosis
- STEP 1. Check that the noise still obvious even when the lights are off.
Q: Is the noise still obvious even when the lights are off?
- YES: Go to Step 2.
- NO: Go to Step 3.
- STEP 2. Check hat the following actions.
- Tune to a station with a stronger wave.
- Tune to a station with a stronger wave without completely extending the antenna (Whip antenna).
Q: Is there more noise than on radio in other vehicles?
- YES: Consult the radio manufacturer's service center.
- NO: Check that there is no noise.
- STEP 3. Check that the noise fades away when the vehicle harness is moved away from the radio (if the harness is not in the proper position).
Q: Does the noise fade away when the vehicle harness is moved any from the radio (If the harness is not in the proper position)?
- YES: Consult the radio manufacturer's service center.
- NO: If there is more noise than other radios, consult the radio manufacturer's service center.