Output Of Diagnostic Codes

To obtain an output of diagnostic codes, proceed as follows:

1. Initial conditions

(a) Battery voltage above 11 volts

(b) Throttle valve fully closed (throttle position sensor IDL points closed)

(c) Transmission in neutral position

(d) Accessory switches OFF

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

3. Using SST, connect terminals Tn and Et of the check connector.

SST 09843-18020

HINT: The check connector is located near the ignition coil.



"CHECK ENGINE" Warning Light


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




OFF OFF OFF 026 (Seconds)


Diagnostic code (See page FI-26)

(a) Normal System Operation (no malfunction)

• The light will alternately blink on and off for 0.26 second intervals.



(b) Malfunction Code Indication

• In the event of a malfunction, the light will blink every 0.52 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 signalled there will be a 4.5 second pause and they will all be repeated as long as the terminals To and Ei of the check connector are connected.

HINT: In the event of a number of trouble codes, indication will begin from the smaller value and continue to the larger.

Sst 09843 18020

5. After the diagnosis check, remove SST. SST 09843-18020

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