Without Scan Tool

OUTPUT OF DIAGNOSTIC CODES
To obtain an output of diagnostic codes, proceed as follows:

1. Initial conditions.
a. Battery voltage 11 volts or more.
b. Throttle valve fully closed (throttle position sensor IDL points closed)
c. Transmission in the neutral position.
d. Accessories switched "OFF".
e. Engine at normal operating temperature.


2. Turn the ignition switch to "ON". Do not start the engine.






3. Using a sub-wire, short terminals T and E1 of the check connector.






4. Read the diagnostic code as indicated by the number of flashes of the "CHECK ENGINE" warning light.

Diagnostic Code






a. Normal System Operation (no malfunction).
- The light will alternately blink ON and OFF for 0.25 second intervals.






b. Malfunction Code Indication.
- In the event of a malfunction, the light will blink every 0.5 seconds. The first number of blinks will equal the first digit of a 2-digit diagnostic code and, after a 1.5 second pause, the 2nd number of blinks will equal the 2nd. If there are two or more codes, there will be a 2.5 second pause between each.
- After all the codes have been output, there will be a 4.5 second pause and they will all be repeated as long as the terminals T and E1 of the check connector are shorted.

NOTE: In the event of a number of troubles codes, indication will begin from the smaller value and continue in order to the larger.






5. After the diagnosis check, remove the service wire.