ECU Repair Course Study Guide ECU Basic Teaching PDF E-book PDF File For EPROM TEST Progranmming SMD Digital Central Simulator

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ECU Repair Course Study Guide

PRESENTATION………………………………………………………………………………………………………………………..3

OBJECTIVE OF THE SYSTEM………………………………………………………………………………………………………4

DIGITAL CENTRAL………………………………………………………………………………………………………………10

CENTRAL SIMULATOR………………………………………………………………………………………………………..16

ANALYZE WAVE FORMS……………………………………………………………………………………………………………16

Analog DC Voltage Signals C Ç……………………………………………………………………………..17

AC AC voltage signals…………………………………………………………………………………………..20

Frequency modulated signals………………………………………………………………………………..21

Modulated pulse width signals………………………………………………………………………………24

Serial data signals…………………………………………………………………………………………………27

INTERPRETING WAVE FORMS………………………………………………………………………………27

TESTING OF COMPONENTS………………………………………………………………………………….30

4 Zener diode or rectifier……………………………………………………………………………………….31

8 Voltage Regulator……………………………………………………………………………………………….32

5.1.1 – TEST OF RESISTORS:…………………………………………………………………………………32

DIODES TEST……………………………………………………………………………………………………….36

Rectifier Diode Test……………………………………………………………………………………………….36

Test Bipolar Transistors (NPN, PNP)………………………………………………………………………38

PROCESSOR TEST……………………………………………………………………………………………….39

EPROM TEST……………………………………………………………………………………………………………………………42

TEST SOCKET 27C512…………………………………………………………………………………………..44

SOCKET FOR PLANTS BOSCH MP9.0……………………………………………………………………46

5.1.4 EPROM REPROGRAMMING…………………………………………………………………………..47

Bi-fuel socket for Delco control units……………………………………………………………………..51

BANCADA CENTRAL TEST……………………………………………………………………………………52

POWER TEST 12v and 5v………………………………………………………………………………………52

Rework on SMD plates…………………………………………………………………………………………..56

SMD PLATE Rework………………………………………………………………………………………………56

Types of SMD components……………………………………………………………………………………56

SMD components rework station…………………………………………………………………………..58

SMD desoldering…………………………………………………………………………………………………..59

SMD welding – Step 1…………………………………………………………………………………………….60

SMD welding – Step 2…………………………………………………………………………………………….61

SMD welding – Step 3…………………………………………………………………………………………….61

SMD welding – Step 4…………………………………………………………………………………………….62