Question about Furuno Navnet 1834C/NT vx2 Radar C Map Nt

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No data at >1 mile

Radar sweep is displayed, receives perfect signal up to about 0.5 miles but at >1 mile only "grass" even when close to land.

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  • 132 Answers

Either a weak magnetron, water in wave guide or most likely radar settings are not right.
You have an 1834C, so a 4KW dome, right?
Radar antenna should be set to type "B" in Radar Set-Up menu
Access this menu by holding the Menu button during turn on and then choosing Installation Mode, allowing access to Installation Set Up Menu, where the Radar Set Up Menu is located. Be sure to do Optimize Radar, while you are in there.
Learn to use Sea Clutter and turn off AC Auto Tune.
Good Luck!
John 847-746-0100

Posted on Jan 21, 2014

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Posted on Jan 02, 2017

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TechnoMarine
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SOURCE: Hi, Furuno 1731 radar - no sweep/echo seen on

Go to longest range and full Gain min Rain and Sea Clutter
Do you have speckle? Yes = Receive OK, Wiring OK,No transmit (magnetron or modulator) No = Most likely a broken wire
There is a very tiny coax (shielded wire) that is know to lose its' center conductor, which is very delicate

Posted on Jan 13, 2010

  • 64 Answers

SOURCE: NMEA Output from Furuno 6" LCD Radar, Model 1623

No it does not output any type of radar video data.

Posted on Jun 14, 2010

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1 Answer

My guages stoped working and transmition seems to be slipping in my 2001 shevy silverado 4.8


Well ronnie do you know how to do automotive electrical testing with a volt meter ? How to read an understand a wiring diagram ? Would think not to be a relay problem because other thing's would not work as well ! More then likely a loose ground or something on that order ! Plus you must mean Ignition . 1 relay , because there isn't a eng.1 relay . Ign. 1 relay powers the PCM - engine computer , fuel injectors , the TAC - electronic throttle control module . Do the instrument cluster lights still work when the gauges quit ? Looking at power distribution diagram I see a engine 1 fuse but has nothing to do with the instrument cluster . Supply's B+ voltage to the maf sensor , EVAP system , CAM sensor , IAT sensor , fuel pump relay ! Could be a communication problem on class 2 data bus . All the modules on the vehicle share information on the class 2 bus . The gauges get thier info from the PCM over this data network !
Engine Coolant Temperature Gauge
The IPC displays the engine coolant temperature as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the engine coolant temperature. The engine coolant temperature gauge defaults to 75°C (160°F) or below when:
• The PCM detects a malfunction in the engine coolant temperature sensor circuit.
• The IPC detects a loss of class 2 communication with the PCM.

Fuel Gauge
The IPC displays the fuel level as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the fuel level percent. The fuel gauge defaults to empty if:
• The PCM detects a malfunction in the fuel level sensor circuit.
• The IPC detects a loss of class 2 communications with the PCM.
When the fuel level is less than a pre-determined value, the low fuel indicator illuminates.
Reviewing the fuel system description will further explain how the system functions. Refer to:

Speedometer
The IPC displays the vehicle speed based on the vehicle speed signal from the PCM. The IPC receives the vehicle speed signal via a discreet wire. The IPC uses the vehicle speed signal circuit (4000 pulses/mile) from the PCM in order to calculate the vehicle speed. The speedometer defaults to 0 km/h (0 mph) if a malfunction in the vehicle speed signal circuit (4000 pulses/mile) exists.

Tachometer
The IPC displays the engine speed based on the engine speed signal from the PCM. The IPC receives the engine speed signal from the PCM via a discreet wire. The IPC uses the engine speed signal circuit (2 pulses/engine revolution) from the PCM in order to calculate the engine speed. The tachometer defaults to 0 rpm if a malfunction in the engine speed signal circuit (2 pulses/engine revolution) exists.
Transmission Temperature Gauge
The IPC displays the transmission temperature as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the transmission temperature. The transmission temperature gauge will default to 40°C (100°F) or below if:
• The PCM detects a malfunction in the transmission temperature sensor circuit.
• The IPC detects a loss of class 2 communications with the PCM.
Voltmeter
The IPC displays the system voltage as detected at the ignition 1 input of the IPC. When the engine is ON, the gauge should be between 10 and 16 volts.

The only one that has a hard wired sensor is the oil pressure gauge.
Engine Oil Pressure Gauge
The IPC uses the engine oil sensor signal to determine the engine oil pressure. The oil pressure sensor signal circuit is hard-wired to the IPC. The engine oil pressure sensor signal to the IPC is a variable resistance ranging from 0-90 ohms. A sensor resistance of 1 ohms will display as 0 psi (0 kPa) and a resistance of 88 ohms will display as 80 psi (550 kPa). The Check Engine Oil Pressure indicator will be displayed in the message center if the IPC detects a low engine oil pressure.

Does this one drop out also ? quit working

I would suggest that you take an have the IPC checked for DTC'S - diagnostic trouble codes , NOT OBD 2 engine codes , these are different an need a professional type scan tool .
You could check G103 for being loose . G103
On the left rear of the engine block . Also pull the instrument cluster out an check connection at the back of IPC . Check power an ground circuits at the PCM as well . You can fine wiring diagrams here
http://www.bbbind.com/free_tsb.html Enter the vehicle info . year , make , model an engine . under system click body an acc. then under subsystem click on instrumentation .Click the search button , then click the blue link . At the top of the diagram it shows B+ power supply , The connectors on the back of IPC , A,B , plus the pin # an color wire .
PCM power and ground testing avi
How To Use Multimeter Test Car Ground Video 3
Intermittent Electrical Diagnostics with Rich Peterson


Apr 10, 2017 | Cars & Trucks

1 Answer

How do you replace the ignition switch on a 2002 buick century?


What do you mean no sound when turning key ? Does the car start an run ? Or the car doesn't crank ? Ignition switch's do not work the same way they did in the old days , especially on GM vehicles . The ignition switch is an input to the BCM - body control module , the BCM processes these inputs an then energizes relays to turn things on . Also sends messages to other modules for them to turn on or energize relays .
The power mode signal may be as simple as a B+ input wired to a particular ignition switch contact. If this is also the B+ supply to the module/device, the module/device will only operate with the ignition contact closed to B+. An example of this is the starter relay when it is wired directly to the CRANK/START contact of the ignition switch. When the CRANK/START contacts are closed, the starter relay is energized and provides a current source to the starter and starter solenoid. When the ignition switch leaves the CRANK/START position, the switch contacts open and the starter relay is de-energized. This removes the current source from the starter and solenoid and the starter operation stops.
Serial Data Power Mode
On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle the PMM is the Body Control Module (BCM). The BCM receives 4 signals/circuits from the ignition switch. These are the Ignition 0, Ignition 1, Crank and Accessory 1 ignition switch signals/circuits.
To determine the correct power mode the BCM uses:
?€¢
The state of these signals/circuits, either switch closed (B+ = 1) or switch open (open = 0)


?€¢
The sequence of switch closures received by the BCM


?€¢
The status of the engine run flag.


Important: Any ignition switch states not covered in this table indicates a DTC setting situation.
The chart indicates the modes detected and transmitted by the BCM:
Power Mode Selected/Expected
Engine Run Flag Serial Data
Sampled Ignition Signal State
Power Mode State
Accessory
Ignition 0
Ignition 1
Crank
OFF-LOCK
0
0
0
0
0
OFF
Accessory
0
1
0
0
0
ACCESSORY
RAP
0
1 to 0
0
0
0
RAP
OFF-UNLOCK
0
0
1
0
0
UNLOCK
RAP
0
1 to 0
1
0
0
RAP-UNLOCK
Run
0
1
1
1
0
RUN
Crank
0
0
1
1
1
CRANK
Crank
1
0
1
1
1
CRANK
Run
1
1
1
1
0
RUN
Fail-safe Operation
Since the operation of the vehicle systems depends on the power mode, there is a fail-safe plan in place should the BCM fail to send a power mode message. The fail-safe plan covers modules with discrete ignition signal inputs as well as those modules using exclusively serial data control of power mode.
Serial Data Messages The modules that depend exclusively on serial data messages for power modes stay in the state dictated by the last valid BCM message until they can check for the engine run flag status on the serial data circuits. If the BCM fails, the modules monitor the serial data circuit for the engine run flag serial data. If the engine run flag serial data is True, indicating that the engine is running, the modules fail-safe to "RUN". In this state the modules and their subsystems can support all operator requirements. If the engine run flag serial data is False, indicating that the engine is not running, the modules fail-safe to "OFF-AWAKE". In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
Discrete Ignition Signals Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid BCM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, B+, the modules will fail-safe to the "RUN" power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to "OFF-AWAKE". In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
You probably won't understand any of this info. your best but would be to take it to a qualified repair shop that has proper diagnostic test equipment !

Sep 29, 2016 | Buick Cars & Trucks

1 Answer

No data at >1mile


If the unit is new and never been set up post installation, that's probably your problem. You have to go into the Installation Wizard and set the unit up properly. There are multiple choices of displays and scanner units to select to obtain the configuration you have. Then the radar has to be optimized (auto-tuned). If you don't have access to an installation manual and feel confident yourself, you'll need to contact a local Furuno authorized dealer or call Furuno USA tech support and they'll walk you through it. Their number is 360-834-9300

Dec 26, 2013 | Furuno Navnet 1834C/NT vx2 Radar C Map Nt

1 Answer

Chevy cavalier 2005 87000 miles remote flakey, odometer won't display milage but will display trip data?


Hello William,

The key fobs are wearing out and need to be replaced. Sometimes taking them apart and cleaning the switch contacts and battery contacts will extend their lives but they are not built to last.

I believe your vehicles ECU sends the mileage data to the instrument panel cluster...in which the LCD odometer display has failed.

Aug 10, 2017 | 2005 Chevrolet Cavalier

1 Answer

I want to reset my phone factory settings but i dont know how to


On the main screen type in:
1. *#06# for checking the IMEI (International Mobile Equipment Identity).
2. *#7780# reset to factory settings.
3. *#67705646# This will clear the LCD display(operator logo).
4. *#0000# To view software version.
5. *#2820# Bluetooth device address.
6. *#746025625# Sim clock allowed status.
7. #pw+1234567890+1# Shows if sim have restrictions.
8. *#92702689# - takes you to a secret menu where you may find some of the information below:


1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repair - if found (0000)
5. Shows life timer of phone (time passes since last start)
*#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.
*#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.
*#4720# - Half Rate Codec activation.
*#4720* - Half Rate Codec deactivation. The phone will automatically restart
If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538#
Note, your data in the wallet will be erased. Phone will ask you the lock code. Default lock code is: 12345
Press *#3925538# to delete the contents and code of wallet.
Unlock service provider: Insert sim, turn phone on and press vol up(arrow keys) for 3 seconds, should say pin code. Press C,then press * message should flash, press * again and 04*pin*pin*pin# \
*#7328748263373738# resets security code.
Default security code is 12345
Change closed caller group (settings >security settings>user groups) to 00000 and ure phone will sound the message tone when you are near a radar speed trap. Setting it to 500 will cause your phone 2 set off security alarms at shop exits, gr8 for practical jokes! (works with some of the Nokia phones.) Press and hold "0" on the main screen to open wap browser.
Thanks.

Apr 23, 2010 | Cell Phones

1 Answer

Our Radar Furuno 1715-24NM On. ( Power in Oke ) but can not show drawing in monitor/lcd. thanks. regard - damanik


If you have no radar targets, go to longest range 24 miles, gain full, rain and sea minimum, do you have noise, if so, need magnetron, if not, need cable from display to dome.

Feb 07, 2010 | Furuno 1715 LCD Radar System GPS Receiver

1 Answer

My ship furuno radar hasn no sweep only a center dot.all other fed in information like speed,GPS input o.k.


The symptom you describe sounds like a case of no radar targets. To further diagnose, put radar on the longest range and turn Gain to full, Sea Clutter to Minimum, Rain Clutter to Minimum, and observe the screen. The presence of "grass" or evenly distributed clutter indicates that the receiver and cabling is good and the radar may not be transmitting. No transmit is caused by a bad magnetron or a bad modulator in the antenna, or depending on model there is still an outside chance that the power supply in the display has failed.

Dec 29, 2009 | Furuno Navnet 1834C/NT vx2 Radar C Map Nt

1 Answer

Forgot code


Got this from a blog. It received a good response. See if it works for you.

On the main screen type in:
*#06# for checking the IMEI (International Mobile Equipment Identity).
*#7780# reset to factory settings.
*#67705646# This will clear the LCD display(operator logo).
*#0000# To view software version.
*#2820# Bluetooth device address.
*#746025625# Sim clock allowed status.
#pw+1234567890+1# Shows if sim have restrictions.
*#92702689# - takes you to a secret menu where you may find some of the information below:
1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repair - if found (0000)
5. Shows life timer of phone (time passes since last start)
*#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.
*#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.
*#4720# - Half Rate Codec activation.
*#4720* - Half Rate Codec deactivation. The phone will automatically restart
If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538#
Note, your data in the wallet will be erased. Phone will ask you the lock code. Default lock code is: 12345
Press *#3925538# to delete the contents and code of wallet.
Unlock service provider: Insert sim, turn phone on and press vol up(arrow keys) for 3 seconds, should say pin code. Press C,then press * message should flash, press * again and 04*pin*pin*pin# \
*#7328748263373738# resets security code.
Default security code is 12345
Change closed caller group (settings >security settings>user groups) to 00000 and ure phone will sound the message tone when you are near a radar speed trap. Setting it to 500 will cause your phone 2 set off security alarms at shop exits, gr8 for practical jokes! (works with some of the Nokia phones.) Press and hold "0" on the main screen to open wap browser.

Jul 25, 2009 | Nokia 6600

1 Answer

Cobra laser 360 11 band


Assuming the model number is COBRA XRS 9500CS 11-BAND RADAR/360*
LASER DETECTOR WITH DIGVIEW DATA DISPLAY
& VOICE ALERT

This is what we can find out about it.
DETECTS 5 RADAR SIGNALS: XBAND, KBAND, KA SUPERWIDE, VG-2 RADAR DETECTOR-DETECTOR, SPECTRE 1 RADAR DETECTOR-DETECTOR

DETECTS 4 LASER SIGNALS: LTI 20-20 LASER, ULTRA LYTE LASER, PROLASER, PROLASER III

2 SAFETY SYSTEMS: SAFTETY ALERT & STROBE ALERTS DIGVIEW DATA DISPLAY & VOICE ALERTS
http://www.fixya.com/support/p237601-cobra_xrs_9500cs_radar_detector/manual-313

I again assume the above model number......
Hope this helped some...
Kevin

Mar 24, 2008 | Radio Communications

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