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Entering Diagnostic Mode Without Super Monitor Display

  1. Ensure battery voltage is above 11 volts, throttle valve is fully closed, transmission in "P" or Neutral position, all accessory off, and engine is at normal operating temperature.
  2. Turn ignition switch to "ON" position, but DO NOT  start engine. Using a jumper wire, short terminals T - E1 of engine check connector. See Fig 1.
  3. Read code(s) as indicated by number of flashes of "CHECK ENGINE" warning light. See Figure. See TROUBLE CODE IDENTIFICATION  table.
  4. The "CHECK ENGINE" warning light will blink a number of times equal to the malfunction code indication with a 2.5 second delay between each indication. The diagnostic code series will be repeated as long as engine check connector terminals T - E1 are shorted.
Fig 1: Entering Diagnostic Mode at Engine Check Connector
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