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MAF Translator Gen-II User Manual

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Manual Version 1.02
MAF Translator Gen-II version 1.02

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Summary of Contents for MAF Translator Gen-II

  • Page 1 Manual Version 1.02 MAF Translator Gen-II version 1.02...

  • Page 2: Table Of Contents

    Standard Connections................- 9 - Parameter setting details for all pages: ..........- 10 - Tuning with the MAF Translator Gen-II ..........- 14 - Open Loop vs. Closed Loop ..............- 15 - AFR Tracking ..................- 16 - Glossary:....................

  • Page 3: Kit Contents

    Accessory power pack (offline power supply, 120VAC) Introduction: The MAF Translator Gen-II is a powerful electronic module that allows the user to tune the engine performance of a modern fuel-injected vehicle. The unit is configurable for many different types of vehicles. Using its various operational modes, the user can adjust fuel delivery to extract more performance from their vehicles' engine.

  • Page 4: Main Airflow Modes

    The primary function of the MAF Translator Gen-II is to allow the user to adjust the air-fuel ratio of their engine. This is accomplished by adjusting the amount of airflow the Engine Computer Module (ECM) or Engine Control Unit (ECU) perceives is entering the engine. If the ECM/ECU senses less airflow is entering the engine, it will command less fuel be injected into the engine, thus making the Air/Fuel ratio "leaner".
  • Page 5 Wire Splicing and Tapping information The MAF Translator Gen-II is installed by connecting wires into the vehicle's wiring harness. Good connections are absolutely necessary for proper, reliable operation. A loose or intermittent connection could cause improper fuel delivery at full throttle resulting in engine damage.

  • Page 6: Installation

    Otherwise wire the new MAF such that the signals use the original vehicle wiring. Install the MAF Translator Gen-II wiring, splicing in to the MAF signal wire so the MAF Translator Gen-II can alter its signal. If the original MAF had extra signals, wire the analog outputs to those ECU wires so the MAF Translator Gen-II can generate those signals.

  • Page 7: Maf Translator Gen-Ii Pages

    AF Mid: Mid load AF tune vs. RPM AF Hi: High load AF tune vs. RPM. MAF Sensor Tune: User AF tune vs. MAF flow. AFR Tracking: Control how the unit uses wideband feedback at WOT Aux Trig: User AF tune that is activated when the Window Switch output is activated.

  • Page 8: Maf Translator Gen-Ii Setup

    These other sensors can be simulated by the MAF Translator Gen-II, using the V Out 1 and V Out 2 signals. Set the V out 1 and 2 mode to Use Setpoint in the Config page, and set the output voltages to normal levels in the Setup page.

  • Page 9: Standard Connections

    Standard Connections Serial port MAF Translator Gen-II User Manual - - 9 - -...

  • Page 10: Parameter Setting Details For All Pages

    Load Source: Determines the method used to determine engine load. Engine load is used to determine which of the High Mid or Low load tune settings are used. Selections are MAF/RPM (scaled in KPA), TPS (320 = 5 volts), or a MAP sensor connected to the Aux input.
  • Page 11 Hi Load Pt: Load for the Hi Load User tunes (~KPA) F Out Max: set for the maximum frequency that will be sent out the MAF output. Can be used to prevent fuel-cut, or intentionally lean out the top end.
  • Page 12 AFR Tracking The AFR Tracking page is used to control how the MAF Translator Gen-II self-adjusts to maintain a desired AFR at WOT. The MAF Translator Gen-II does not self-tune, but will correct its output while at WOT. See the separate section on AFR Tracking.
  • Page 13 Airflow from the MAF sensor (Grams/sec) Vlt In Voltage of the MAF input (Volt MAFs only) Hz In Frequency of the MAF input (Hz) (Frequency MAFs only) Hz Out Frequency of the MAF output (Hz) UserTn User Tune, the total of the tune and mainscale (+/- %) TPS V Throttle Position Sensor.

  • Page 14: Tuning With The Maf Translator Gen-Ii

    (0-2.50 sec) Tuning with the MAF Translator Gen-II Generally, once the MAF Translator Gen-II is properly configured, the engine should start and run. Then the next step is tuning. "Tuning" is the...

  • Page 15: Open Loop Vs. Closed Loop

    The AFR tuning is the sum of the Mainscale, low/mid/hi/aux User Tune, and MAF Sensor tune settings. This total can be viewed on the Sensor Monitor page as UT (User Tune). Adjust the Mainscale initially for the best compromise between idle and part throttle driving. This sets the tune "close".

  • Page 16: Afr Tracking

    AFR Tracking The MAF Translator Gen-II can control WOT AFR to a desired setting using feedback from a wideband AFR sensing device. Install the wideband sensor in the exhaust following the manufacturer s instructions. Connect the MAF Translator Gen-II wideband/O2 input to the analog output of the wideband unit.

  • Page 17: Glossary

    When the default settings have been restored, the unit will display "All data Reset!" Glossary: Air Fuel Ratio. Wide Open Throttle Engine Control Unit Engine Control Module Throttle Position Sensor Mass Airflow Sensor Revolutions Per Minute User Tune Original Equipment Manufacturer MAF Translator Gen-II User Manual - - 17 - -...

  • Page 18: Maf Translator Gen-Ii Harness Connector Details

    MAF Translator Gen-II Harness Connector Details Serial port Main (10 pin) Harness Orange -- O2/wideband input. Purple -- O2/wideband sensing ground Blue -- TPS input Green -- MAF/Frequency signal output Pink -- +12 volts ignition power Brown -- Voltage signal output #1...

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