(ECU) Monitor - Digital Communications Technologies
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1. CAN ra Fae Mr IE ECU Vaz Bir t digitale cerb Pi cm ECU MONITOR for CAN protocols J1939 FMS or J1708 J1587 KEEP TRACK OF YOUR ASSETS SE The ECU Monitor reads several parameters from the vehicle s on board computer that can be integrated with SYRUS GPS intelligent event engine This data can be used with the SYRUS flexible and intelligent configuration to define different actions based on thresholds User defined events can be triggered to provide valuable reports with extended tag information for different analytic purposes The integrity of all data can be received processed and managed by DCT s PEGASUS GATEWAY and forwarded in real time to third party s application databases Pegasus Gateway s Analytics a 4 prgana Sgtaicomtech com za pca ba Tta me une 7 mea fe pe me a Mm een e i se ons 3 tase de tn tasn me Det a EELEE BEZIRT ESENSBREN mil Be da tn a rer VE mm tea tH nun un une Te id k s Fail ai oaa BEBBBBBBBBBBBBBBEBEBBBEESE 8 Gcoeucoa cab eR Eli CEECEE HEBBREEREE ESBS EE Be pasate ony PEEP SESE mann mau Pee eee Per eer D a a a aa a ee ee ee ee Parameters Read Instant fuel consumption liters h e Coolant liquid level e Vehicle Speed km h e DM1 diagnostic messages e Transmission liquid level e Engine s oil pressure psi e Cruise control state e2. Monitor In the vehicle this cable could have a different color but the connector will be marked correctly Please see the connector diagrams below CAN_L Negative signal of the J1939 FMS Must be connected to the vehicle s CAN_L cable This cable is twisted together with the yellow CAN_H cable on the ECU Monitor In the vehicle this cable could have a different color but the connector will be marked correctly Please see the connector diagrams below J1708A Positive signal of the J1708 bus Must be connected to the vehicle s J1708A cable This cable is twisted together with the brown J1708B cable on the ECU Monitor In the vehicle this cable could have a different color but the connector will be marked correctly Please see the connector diagrams below J1708B Negative signal of the J1708 bus Must be connected to the vehicle s J1708B cable This cable is twisted together with the violet J1708A cable on the ECU Monitor In the vehicle this cable could have a different color but the connector will be marked correctly Please see the connector diagrams below Connections to the vehicle s fuel tank level sensor FL Positive input for the fuel tank level sensor This cable is twisted together with the grey FL cable on the ECU Monitor FL Negative input for the fuel tank level sensor This cable is twisted together with the blue FL cable on the ECU Monitor WARNINGS The ECU Monitor s efficient performance depends on
3. on the rear of the connector The best option to connect the ECU Monitor to the vehicle s buses is an accessory CANGOclick which obtains the information from the buses without requiring a direct connection For more information on the CANGOclick please visit http www cango ro index php en product 10 cangoclick html 6 Pin Connector Vehicles that have a6 pin connector will only support the J1708 protocol See fig 3 2 Pinout A J1708A Positive signal of the J1708 bus B J1708B Negative signal of the J1708 bus C Vehicle s battery positive terminal Please verify that the voltage is always present and does not disappear when the engine is turned off If the voltage disappears from this terminal when the engine is turned off please connect the ECU Monitor directly to the vehicle s battery D GND Must be the same GND connected to the SYRUS Pegasus ECU Parameters View ONLINE Imei Dutbox Managed configuration greva Queue 0 Syrus 2 ECU monitor PLUS 356612022405817 at Errors 0 editable Synced Op imsi im id MxTelcelGSM 334020404234320 295202081 1210473375 ul un a Protocol Firmware Engine EGUM onitor Query 4708 19 Of Ce Vehicle s ECU Is announcing the following parameters Vehicle s speed Engine s oil pressure Transmission liquid pressure Trip odometer Total traveled distance Total fuel consumption Vehicle s throttle position Engine RPM Instant Fuel Consumption Diagnostic
4. Transmission oil temperature C Coolant liquid pressure psi PTO state e Total engine usage hours h Trip distance km e Parking break state e Service distance km Total traveled distance Odometer km e Vehicle s battery level V e Total fuel used while in idle liters Throttle pedal position e Vehicle s current fuel level e Total time while engine is in idle h Engine revolutions per minute rpm e Engine s oil level e Total fuel used liters Digital Communications Technologies 5835 Blue Lagoon Dr Suite 202 Miami FL 33126 www digitalcomtech com Technical Specifications and installation References ECU Monitor Inputs Outputs Pinout Use the ECU Monitor Inputs Outputs table to find the connectors on the vehicle s cabin Description 10 Pin Molex type connector Connections to the Syrus Main power 8V 32V Must be connected to the Syrus main power cable green pin 7 or directly to the vehicle s battery positive terminal GND Device s Electrical Ground Must be connected to the Syrus GND black pin 1 or the same GND connection used by the Syrus This is usually the vehicle s battery negative terminal 1 Wire Must be connected to the Syrus 1 Wire bus red white pin 14 Connections to the vehicle s engine CAN_H Positive signal of the J1939 FMS bus Must be connected to the vehicle s CAN_H cable This cable is twisted together with the green CAN_L cable on the ECU
5. ct these cables to the ECU Monitor s input cables Please refer to the inputs outputs Pinout table to identify the input cables In most cases the cables are located on the top of the fuel tank near the middle under a plastic cover The cables do not have a standardized color scheme therefore it is necessary to determine which is positive and which is negative To do this lift the plastic cover and use a voltme ter to measure the voltage of the cables The vehicle s engine must be turned on The measurement must be done between both cables and not referenced to ground If the voltage read is positive then the positive probe of the voltmeter is on the positive cable of the fuel tank level sensor This cable must be connected to the FL input on the ECU Monitor and the other cable must be connected to the FL input Please refer to the ECU Monitor inputs outputs Pinout table and the Total fuel used liters XAOF command on the user s manual Plastic co er d I E A e A Use a voltmeter to measure the voltage on these cables the vehicle s engine must be turned on Digital Communications Technologies 5835 Blue Lagoon Dr Suite 202 Miami FL 33126 FMS bus The Fleet Management Systems Interface FMS is a standard interface subset of the J1939 protocol used in commercial vehicles This standard was developed in 2002 by the European manufacturers Daimler AG MAN AG Scania Volvo Renault DAF Truck
6. igital Communications Technologies 5835 Blue Lagoon Drive Suite 202 Miami FL 33126 1 305 455 4610 sales digitalcomtech com www digitalcomtech com
7. message Cruise control and or PTO state availability Parking break Status Vehicle s battery Fuel Level Engine s oil level Engine s coolant level Engine s coolant temperature Engine usage Total Fuel Consumption While Idle Total time while engine in idle see ee eee eee ee eee eee The validity of a parameter s value depends on whether the parameter is supported by the vehicle s ECU Digital Communications Technologies 5835 Blue Lagoon Dr Suite 202 Miami FL 33126 9 Pin Connector There are two versions of this connector It is possible to find both protocols on vehicles that have this connector Although it is possible to connect to both protocols termi nals it is recommended to use the J1939 protocol Pinout A GND Must be the same GND connected to the Syrus B Vehicle s battery positive terminal Please verify that the voltage is always present and does not disappear when the engine is turned off If the voltage disappears from this terminal when the engine is turned off please connect the ECU Monitor directly to the vehicle s battery C CAN_H Positive signal of the J1939 bus D CAN_L Negative signal of the J1939 bus F J1708A Positive signal of the J1708 bus G J1708B Negative signal of the J1708 bus The validity of a parameter s value depends on whether the parameter is supported by the vehicle s ECU www digitalcomtech com L E KEEP TRACK OF YOUR ASSETS o D
8. proper installation A deficient installation will cause the unit to read incoherent data or vehicle malfunction Please read and follow the installation procedures carefully to ensure the unit is connected and installed properly The Cables that connect the ECU Monitor to the vehicle s engine should not be cut If the cables must be cut for any reason they must be cut to the same length and be kept twisted as the cables transmit differential voltages For this reason it is best to never cut cables Before starting the installation make sure that the vehicle is turned off The ignition switch must be in the OFF position not the accessories position 1 Wire interface connection with SYRUS GPS devices CAN bus interface connection to J1939 and FMS protocols with TVS protection circuit Interface connection to a AS wiser protocols with TVS protection circuit Analog interface for alternative connection to variable voltage sources from O to 5 VDC for fuel level readings 4 Status LEDs indicator to signal proper connection and proper protocol identification Transient DC voltage protection Support DC voltage between 8 and 32 VDC www digitalcomtech com Technical Specifications and installation References ECU MONITOR Installing the fuel level sensor Identify the two cables that connect the fuel tank level sensor and follow them to a location near the vehicle s cabin Find a convenient location to conne
9. s and IVECO According to most vehicle manufacturers the FMS Standard is regarded as a world wide standard Warning A direct connection to the internal vehicle bus system is not permitted by the vehicle s manufacturer and could cause the the vehicle s warranty to be void Most vehicles that support FMS protocols have a connector available which is intended for accessories that use the internal FMS bus of the vehicle It is highly recommended to use this connector for the ECU Monitor The FMS defines a 4 pin standard connector as shown in es ORIENTATION RIP Pin Layout Pin 1 CAN high Pin2 CAN low Pin 3 Option CAN ground Pin 4 not used by Bus FMS Standard According to DCT s experience it is also 5 common to see vehicle manufacturers providing a different connector other than the standard In order to correctly install the ECU Monitor for FMS Protocols please always consult the technical documentation provided by the manufacturer to find the CAN_H and CAN_L lines www digitalcomtech com Technical Specifications and installation References ECU MONITOR How to find the buses in the vehicle J1939 bus or J1708 bus Vehicles that support J1939 and or J1708 protocols will always have one of the connectors shown fig 3 1 The connector is typically located in the vehicles cabin under the steering wheel area Once the connector is located simply connect the ECU Monitor s cables by intercepting the connector s cables
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