Navigation, GPS Signal / Location
01-28-10, 08:35 AM
#1
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Navigation, GPS Signal / Location
Recently I noticed that my NAVI does not show my exact location and kind of slow even when vehicle moves fast and area of location with not too many tall buildings. Does anyone know if it is normal or speed sensor is acting up? May be GPS?
Anyone?
Thank you
Anyone?
Thank you
01-28-10, 11:56 AM
#2
It is quite simple. the azimuth elevation within your GPS antenna is not getting sync with the GPS signal. The following reasons could have been, Maybe you could have driven past to some high sensitive magnetic field or passed by military radio or radar station, sometimes this happens, and signal with your nav gets distorted for a moment, but they have to get back normally. if not you could try this
. Go to a high altitude open area, where there are no buildings or radio tower. Reason being higher you go, the GPS signal receptivity works optimum level.
2. In your Nav screen, get to the NAV check mode.
3. Choose the button on the screen which mentions"GPS Information"
4. Start the Diagnosis system.
5. After completion, select menu, and select NAV check,select GPS info, now check the related information on the screen.
If you have display screen throws up any stored values as an indication of "-" that mean the sensor ie gyro sensors are not receiving the signal.
6. Check the signal level it should be higher than reading of "3". Now check the position data. This determines the Lat-Long. (Latitude & Longtude). It should be displayed in sequence of degree,minute and second.
7. Now press the Navigation check Once, this resets the vehicle signal syncing with the GPRS and gets to receive the signal and stores in its memory ( NAV ECU ) . if you receive nil values, try this again, till you get the signal read on our screen.
8.Go back to the NAV check mode, select Vehicle Sensors, you will see the gyro sensors getting activated with the Speed sensors, Acceleration sensor.( This is a background function).
9. On the Display screen check the status of ACC signal, REV signal Status, SPD signal status( here it only stores based on vehicle speed if nothing shows up) that is fine, saying the vehicle is stationary position, the most important would be the gyro sensor would throw up some values in terms of voltage and angle of degree, once here the values comes up, you are good to go, then new values get stored, You can head home sweet home,
cheers.
. Go to a high altitude open area, where there are no buildings or radio tower. Reason being higher you go, the GPS signal receptivity works optimum level.
2. In your Nav screen, get to the NAV check mode.
3. Choose the button on the screen which mentions"GPS Information"
4. Start the Diagnosis system.
5. After completion, select menu, and select NAV check,select GPS info, now check the related information on the screen.
If you have display screen throws up any stored values as an indication of "-" that mean the sensor ie gyro sensors are not receiving the signal.
6. Check the signal level it should be higher than reading of "3". Now check the position data. This determines the Lat-Long. (Latitude & Longtude). It should be displayed in sequence of degree,minute and second.
7. Now press the Navigation check Once, this resets the vehicle signal syncing with the GPRS and gets to receive the signal and stores in its memory ( NAV ECU ) . if you receive nil values, try this again, till you get the signal read on our screen.
8.Go back to the NAV check mode, select Vehicle Sensors, you will see the gyro sensors getting activated with the Speed sensors, Acceleration sensor.( This is a background function).
9. On the Display screen check the status of ACC signal, REV signal Status, SPD signal status( here it only stores based on vehicle speed if nothing shows up) that is fine, saying the vehicle is stationary position, the most important would be the gyro sensor would throw up some values in terms of voltage and angle of degree, once here the values comes up, you are good to go, then new values get stored, You can head home sweet home,
cheers.
Last edited by mann777; 01-28-10 at 12:02 PM.
01-28-10, 01:12 PM
#3
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It is quite simple. the azimuth elevation within your GPS antenna is not getting sync with the GPS signal. The following reasons could have been, Maybe you could have driven past to some high sensitive magnetic field or passed by military radio or radar station, sometimes this happens, and signal with your nav gets distorted for a moment, but they have to get back normally. if not you could try this
. Go to a high altitude open area, where there are no buildings or radio tower. Reason being higher you go, the GPS signal receptivity works optimum level.
2. In your Nav screen, get to the NAV check mode.
3. Choose the button on the screen which mentions"GPS Information"
4. Start the Diagnosis system.
5. After completion, select menu, and select NAV check,select GPS info, now check the related information on the screen.
If you have display screen throws up any stored values as an indication of "-" that mean the sensor ie gyro sensors are not receiving the signal.
6. Check the signal level it should be higher than reading of "3". Now check the position data. This determines the Lat-Long. (Latitude & Longtude). It should be displayed in sequence of degree,minute and second.
7. Now press the Navigation check Once, this resets the vehicle signal syncing with the GPRS and gets to receive the signal and stores in its memory ( NAV ECU ) . if you receive nil values, try this again, till you get the signal read on our screen.
8.Go back to the NAV check mode, select Vehicle Sensors, you will see the gyro sensors getting activated with the Speed sensors, Acceleration sensor.( This is a background function).
9. On the Display screen check the status of ACC signal, REV signal Status, SPD signal status( here it only stores based on vehicle speed if nothing shows up) that is fine, saying the vehicle is stationary position, the most important would be the gyro sensor would throw up some values in terms of voltage and angle of degree, once here the values comes up, you are good to go, then new values get stored, You can head home sweet home,
cheers.
. Go to a high altitude open area, where there are no buildings or radio tower. Reason being higher you go, the GPS signal receptivity works optimum level.
2. In your Nav screen, get to the NAV check mode.
3. Choose the button on the screen which mentions"GPS Information"
4. Start the Diagnosis system.
5. After completion, select menu, and select NAV check,select GPS info, now check the related information on the screen.
If you have display screen throws up any stored values as an indication of "-" that mean the sensor ie gyro sensors are not receiving the signal.
6. Check the signal level it should be higher than reading of "3". Now check the position data. This determines the Lat-Long. (Latitude & Longtude). It should be displayed in sequence of degree,minute and second.
7. Now press the Navigation check Once, this resets the vehicle signal syncing with the GPRS and gets to receive the signal and stores in its memory ( NAV ECU ) . if you receive nil values, try this again, till you get the signal read on our screen.
8.Go back to the NAV check mode, select Vehicle Sensors, you will see the gyro sensors getting activated with the Speed sensors, Acceleration sensor.( This is a background function).
9. On the Display screen check the status of ACC signal, REV signal Status, SPD signal status( here it only stores based on vehicle speed if nothing shows up) that is fine, saying the vehicle is stationary position, the most important would be the gyro sensor would throw up some values in terms of voltage and angle of degree, once here the values comes up, you are good to go, then new values get stored, You can head home sweet home,
cheers.
Great write up. I have had this problem myself.
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