Entering Diagnostic Mode Without Super Monitor Display
- 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.
- 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.
- Read code(s) as indicated by number of flashes of CHECK ENGINE warning light. See Figure. See appropriate CODE IDENTIFICATION chart.
- 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.
NOTE:
In the event a number of trouble codes are to be identified, indication will begin from the smaller value and continue to the larger in order.