Operation CHARM: Car repair manuals for everyone.

Reading and Clearing Diagnostic Trouble Codes

Diagnostic Codes (1 Of 2):




Diagnostic Trouble Codes (2 Of 2):






Output of Diagnostic Codes
To obtain an output of diagnostic codes, follow these procedures:

1. Initial conditions.

^ Battery voltage above 11 volts.

^ Throttle valve fully closed (throttle position sensor IDL points closed).

^ Transmission in neutral position.

^ Accessory switches OFF.

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

3. Using a service wire, short circuit both terminals of the check engine connector. The check connector is located near the wiper motor.

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

^ Normal system operation. The light will blink once every 0.5 seconds.

^ Malfunction code indication.

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

- Between the first digit and second digit, 1.5 seconds.