ACCEL DFI 77062 Installation And Instruction Manual Download Page 38

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turbocharged engine can cause inaccurate air/fuel ratio readings and lead to
premature failure of the sensor.

Summary of Contents for 77062

Page 1: ...INSTR 77062 2007 10 25 Engine Analyzer Series Wideband Oxygen Sensor Installation and Instruction Manual For DFI part numbers 77062 77062N 77062S 77063...

Page 2: ...13 PCB Mounted DIP Switch Chart and Function List 16 Connecting an Older NTK Only System to a Bosch LSU 4 2 Sensor 17 The Engine Analyzer Integrated Data Logger 18 DataMap Software Installation 18 En...

Page 3: ...tions for each number 77062 includes electronic control module wiring harness and sensor 77062N includes electronic control module and wiring harness This kit does not contain a sensor Optional sensor...

Page 4: ...to weld this fitting in place be certain to weld all the way around the outside of the fitting to prevent any air leaks The optimum location for the oxygen sensor is in the collector of a header or e...

Page 5: ...el DFI dealer The part number for this kit is 77063S If you are connecting the control module to an Accel DFI Generation 7 system the 4 pin square male connector in the main harness will have a corres...

Page 6: ...5 Diagram A EA series module used with Accel DFI Gen 7 Engine Management System Diagram A1 EA series module shown with optional dual wideband sensors...

Page 7: ...6 Diagram B EA series module used as a standalone air fuel ratio meter Diagram C EA series module used with engine management system other than Accel DFI...

Page 8: ...s this screen is Ctrl C Once in the Controls screen set the Exhaust Feedback Sensor to UEGO Set the Wideband O2 Sensor Type to DFI Type 2 All Applications DFI Type 2 and Type 3 UEGO kits use the Type...

Page 9: ...ector labeled 0 5V output in the wideband controller harness Connect the gray wire on the gauge to the gray wire coming from pin 9 on the wideband controller The red power wire should be connected to...

Page 10: ...9 Harness Schematic and Pinout Chart 1 Channel...

Page 11: ...10 Harness Schematic and Pinout Chart 2 Channel...

Page 12: ...11 Populating Additional Wires in the Harness Header 1 Release the two tabs on the sides of the connector retainer 2 Slide the wire retainer away from the connector It does not need to be removed...

Page 13: ...Insert the wire into the proper location on the connecter The wire pin locations are marked on the back and sides of the connector 4 Push the wire retainer back down in order to lock the wires into p...

Page 14: ...ng The output can be configured to represent an average of two sensor readings in dual sensor applications or it can be configured to represent the reading from a single sensor Refer to the DIP switch...

Page 15: ...s wire to an auxiliary voltage source to retain the contents of the Data Logger memory after the Main 12 Volt input is switched off Any logged data will be preserved as long as at least 9 volts are su...

Page 16: ...ple in order to trigger data logging the input wire AuxIn1 Pin 7 Color Green with Yellow trace will be activated by switching the input wire to a ground source Similarly any output wire should be conn...

Page 17: ...are using an NTK wideband sensor Put this switch in the OFF position if you are using a Bosch wideband sensor For Engine Analyzer models with firmware version 1 0 2 and higher but less than 2 0 0 the...

Page 18: ...on NTK Connector off of the Single Channel Harness 3 Make the following wiring connections between the Single Channel Harness and the Bosch sensor Tape off or otherwise secure the unused wires 4 From...

Page 19: ...lyzer DataMap Software Installation The DataMap Engine Analyzer Interface has the following Minimum Requirements 1 IBM PC Compatible computer with Microsoft Windows 2000 or higher 2 Pentium III Proces...

Page 20: ...right side of the screen displays the vehicle speed as measured by the Engine Analyzer s VSS Input wire Values are displayed with a resolution of 1 MPH Ignition Voltage The ignition voltage measured a...

Page 21: ...e Analyzer is represented by a virtual LED on the bottom of the screen The LED is lit RED when I O line is active and shown as black when the I O state is not active Data Logger Status The number of s...

Page 22: ...Input Driveshaft Pulse Counts a function of the Engine Analyzer OSS Input Manifold Absolute Pressure Throttle Position Ignition Timing Advance Ignition Knock Retard Fuel Injector Maximum Pulse Width...

Page 23: ...logged data If multiple Runs are present in the logger the DataMap software can be configured to automatically create different files for each run Filenames are created based on the filename that was...

Page 24: ...perating Use the NTK position when connected to an NTK L1H1 or equivalent sensor Use the Bosch position when connected to a Bosch LSU 4 2 or equivalent sensor When connected to a Bosch sensor you must...

Page 25: ...y be stored in memory at a time However if the length of the recording session exceeds the capacity of the data logger data recording continues with the oldest data in the logger memory being overwrit...

Page 26: ...cording Time This field is not programmable at this time Recording time is currently determined by the amount of time that the Data Logging Enable input is activated and the sample rate at which the d...

Page 27: ...tio Engine Speed and Vehicle Speed value s along with an optional hardware enable input Single Channel models have 2 available outputs and Dual Channel models have 4 available outputs These outputs pr...

Page 28: ...o from either channel may be used as a trigger value The logic may also be reversed for each channel by setting this field to CH1_REVERSED or CH2_REVERSED Input X The selected Hardware Input must be a...

Page 29: ...be activated only when the Engine Speed ENABLE and DISABLE parameters are satisfied 3 Click in the TRIGGER column of the Vehicle Speed row Press the ENTER key repeatedly until NOT USED is displayed Th...

Page 30: ...IGGER column of the HW Input Line row Press the ENTER key repeatedly until NOT USED is displayed This will allow the output to be activated independently of the state of any hardware input line s 5 Cl...

Page 31: ...ut is independently configurable and can utilize any input line as its hardware enable switch The Dual Channel I O Configuration Screen can be accessed by pressing the CTRL I keys or selecting the Fil...

Page 32: ...utton on either of the I O configuration screens Note that this is a Pro Only feature and the curve will not be accessible unless you have a USB cable connection to your Engine Analyzer that includes...

Page 33: ...f the cursor total length of the log file current sample number and total number of samples are displayed underneath the channel data display Finally calculations are made on each data channel when th...

Page 34: ...the graph at once Set New Starting Point This will set the starting point of the logged data to the current position of the yellow graph cursor A vertical green cursor will be placed at the new start...

Page 35: ...will allow you to edit the limits for each data channel change the trace color for each channel and hide the channel if you do not want it to be displayed on the graph Changing the Minimum Maximum an...

Page 36: ...cation it is advisable to disable closed loop correction at low engine speeds As the engine speed and load increases the amount of reversion in the exhaust system will decrease Exhaust reversion has l...

Page 37: ...by or leaking turbocharger oil seals Excessive carbon buildup from rich fuel mixtures is another common cause of premature oxygen sensor failure Engine coolant in the exhaust system can also damage o...

Page 38: ...37 turbocharged engine can cause inaccurate air fuel ratio readings and lead to premature failure of the sensor...

Page 39: ...information you should monitor engine temperature listen for spark knock and read the spark plugs to determine a fuel setting that is safe and appropriate Suggested A F Ratios Engine Type Idle Cruise...

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