CHECK ENGINE No malfunction 0.25 seconds ON OFF 0.25 seconds Code No. 21 and No. 32 0.5 seconds 4.5 seconds ON OFF 1.5 seconds 2.5 seconds 3. Read the diagnostic code as indicated by the number of flashes of the "CHECK ENGINE" warning light. Diagnostic code (a) If system is operating normally (no malfunction), the light will blink once every 0.25 seconds. (b) In event of a malfunction, the light will blink once every 0.5 seconds. The first number of blinks will equal the first digit of a 2-digit diagnostic code. After a 1.5 second pause, the 2nd number of blinks will equal the 2nd number of a 2-digit diagnostic code. If there are two or more codes, there will be a 2.5 seconds pause between each. NOTE: In event of a number of troubles codes, indication will begin from the smaller value and continue to the larger in order. 4. After the diagnosis check, remove the sub-wire from the check connector.