Equus 3145 - Digital Ford Code Reader (1981 - 1995) Manual de usuario descargar pdf (Pagina 23)

About the Ford Code Reader

FUNCTIONS OF THE FORD CODE READER

Chapter 3 20

The vehicle's computer generates and assigns fault codes

whenever it detects a problem in any of the various systems

that it monitors and/or controls. Once the Code Reader is

connected to the vehicle's Test Connector(s), the user can

signal the computer to perform the Self-Tests (by pressing the

TEST/HOLD button). The computer then starts performing a

Self Test of all the components and/or circuits it controls. The

results of the tests are sent to the code reader (as numerical

codes) to help the repairperson pinpoint a particular problem

in any of the computer control systems.

This Code Reader is designed to retrieve Diagnostic Trouble

Codes from Ford EEC-IV and MCU systems only.

Code Reader Controls and Indicators

1. Code Reader Connector - Connects to the vehicle's six-

pin Test Connector (the six-pin test connector is used on

both MCU and ECC-IV systems).

2. Code Reader Connector - Connects to the vehicle's

single-pin Test Connector. (the single-pin Test Connector

is used on EEC-IV systems only; MCU systems are not

equipped with single pin test connectors).

3. LCD Display - Displays test results, Diagnostic Trouble

Codes and Code Reader functions.

4. ON/OFF Button - Turns the code reader On and Off.

5. TEST/HOLD Button: Toggles between TEST and HOLD

functions.

MEMORY ON / OFF

TEST / HOLD

FORD LINCOLN MERCURY

Domestic vehicles 1981 to 1995

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Equus 3145 - Digital Ford Code Reader (1981 - 1995) Manual de usuario Pagina 23