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Pinpoint Test FA Instantaneous Fuel Economy Or Average Fuel Economy Always Indicates 0 Miles/Gallon Or 99L/100 KM Or 99 Miles/Gallon Or 0 L/100 KM

  1. Checking Speedometer Operation: Determine whether speedometer operates correctly. If speedometer operate correctly, go to step 2). If speedometer does not operate correctly, go to PINPOINT TEST SF.
  2. Checking Fuel Flow Circuit: Check for continuity or shorts between instrument cluster connector C2-2, pin No. 22 (Dark Blue/Light Green wire) and EEC-IV control module pin No. 34 (Dark Blue/Light Green wire). EEC-IV module is located on left corner of firewall, near brake booster, and has a 60-pin connector.
  3. If wiring is defective, repair as necessary. If wiring is okay, proceed to step 4).
  4. Checking For Fuel Flow Pulses: Verify proper operation of EEC-IV module. See G - TEAT W/ CODES article in the ENGINE PERFORMANCE Section.
  5. If EEC-IV module operates correctly, replace instrument cluster. If EEC-IV control module does not operate correctly, repair as necessary.
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