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Honda HPD L15A7 Manual
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Honda HPD L15A7 Manual

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HPD L15A7 Electrical Systems Manual

Table of Contents

1. Safety Considerations and Warnings .......................................... Page 2
2. Overview ..................................................................................... Page 3
3. HPD Formula F ECU Engine Harness Schematic ....................... Page 4
4. HPD Formula F Dash Panel Interface ......................................... Page 5
5. System Monitoring Information .................................................... Page 7
6. LED Fault Code Table ................................................................. Page 8
1
2/2010

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Summary of Contents for Honda HPD L15A7

  • Page 1: Table Of Contents

    HPD L15A7 Electrical Systems Manual Table of Contents 1. Safety Considerations and Warnings .......... Page 2 2. Overview ..................Page 3 3. HPD Formula F ECU Engine Harness Schematic ....... Page 4 4. HPD Formula F Dash Panel Interface ......... Page 5 5.

  • Page 2: Safety Considerations And Warnings

    HPD L15A7 Electrical Systems Manual Safety Precautions The HPD E1 ECU was developed for use strictly in officially sanctioned motorsports activities. The correct and appropriate use of the hardware is the sole responsibility of the user. As with any electrical / electronic component, great care and judgment should be exercised when installing and handling the systems described in this manual.

  • Page 3: Overview

    HPD L15A7 Electrical Systems Manual Overview The HPD Formula F engine package includes a proprietary ECU (Engine Control Unit) to perform all engine control functions. The ECU has been specifically designed and setup for the Formula F engine and requires no user configuration in order to operate the engine.

  • Page 4: Hpd Formula F Ecu Engine Harness Schematic

    HPD L15A7 Electrical Systems Manual Figure 3 - HPD Formula F ECU Engine Harness Schematic ENGINE ENGINE SUB HARNESS HARNESS Optional Harness & Sensors 2/2010...

  • Page 5: Hpd Formula F Dash Panel Interface

    HPD L15A7 Electrical Systems Manual The Formula F chassis harness has provisions to interface with the essential switch panel controls and system monitoring/diagnostics. Figure 4 - HPD Formula F Dash Panel Interface Customer Supplied wiring, Formula F Chassis Loom Side...
  • Page 6 HPD L15A7 Electrical Systems Manual Figure 4 - HPD Formula F Dash Panel Interface cont’d 2/2010...

  • Page 7: System Monitoring Information

    HPD L15A7 Electrical Systems Manual SYSTEM MONITORING INFORMATION The HPD Formula F package includes 3 basic methods of providing the user/driver with information regarding the operating conditions of the engine/system and overall integrity of the package. CAN Communications: The HPD Formula F ECU adheres to the Bosch MS 4.3 Grand- Am CAN Spec.

  • Page 8: Led Fault Code Table

    HPD L15A7 Electrical Systems Manual The following table summarizes the LED fault codes, their meaning and the potential avenues for troubleshooting and resolving the issue. Fail Description Troubleshooting Fail Checking Flashes Sensor could be Manifold Air Sensor disconnected, disconnected or failed.
  • Page 9 HPD L15A7 Electrical Systems Manual The following considerations should be taken into account when troubleshooting overall system fail codes: All fails are reset on ECU boot up so it is recommended that the user take note of any codes prior to shutting off master power.