Without Scan Tool

HOW TO DISPLAY AND READ DIAGNOSTIC TROUBLE CODES WITHOUT A SCAN TOOL

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

1. Initial conditions

(a) Battery voltage approx. 1 2 V
(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 (09843-18020), connect terminals TE1 and E1 of the check connector.

NOTE: The check connector is located near the air cleaner.




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 2 times per second.

(b) Malfunction Code Indication




^ The light will blink a number of times equal to the malfunction code indication as follows:

1. Between the first digit and second digit, 1.5 seconds.
2. Between code and code 2.5 seconds.
3. Between all malfunction codes 4.5 seconds. The diagnostic code series will be repeated as long as the check connector terminals TE1 and El are connected.

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




5. After the diagnostic check, remove SST from the check connector.

TROUBLE CODE DESCRIPTIONS

1. Including "normal", the ECU is programmed with the following 13 (Federal and Canada) or 14 (California) diagnostic codes.
2. When 2 or more codes are indicated, the lowest number (code) will appear first.
3. All detected diagnostic codes, except 51, will be retained in memory by the ECU from the time of detection until cancelled out.
4. Once the malfunction is cleared, the "CHECK ENGINE" warning light on the instrument panel will go out but the diagnostic code(s) remain stored in ECU memory (except for code 51).




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