TABLE OF CONTENTS AND INDEX ***** SAMPLE *****


TABLE OF CONTENTS (Inoperative links are greyed out)

INTRODUCTION - Including notes to help with using this handbook - PLEASE READ AT LEAST ONCE
TESTS - A GOOD PLACE TO START - How to hook up and test the system and links to other diagnosis sections
CODES (2 DIGIT) (3 DIGIT) - What the codes mean
COMPONENT TESTING - If it's not in another chapter
FUEL CONTROL - Fuel injection and carburetor codes
POWER CIRCUITS AND RELAYS - Power and fuel pump relays, diagnosis, and codes
A/C AND COOLING FAN CIRCUITS - Operation, diagnosis, and codes
IGNITION SYSTEMS - Operation, diagnosis, and codes
TRANSMISSIONS - Operation and code diagnosis
SPECIAL NOTES - May save some time
TOOLS AND TECHNICALITIES - What's needed and what's good to have
GLOSSARY - What does @$#@$^ mean?
PINOUTS AND WIRE COLORS - Also shows the PCM connector
PARTS HELP - Help with finding the part number

APPENDIX A - SERVICE BULLETIN INDEX
APPENDIX B - IDLE SET PROCEDURES
APPENDIX C - SAMPLE SIGNALS

INDEX

A

A/C circuits - see A/C AND COOLING FAN CIRCUITS

Air Injection systems
   AIRD, AIRB 

B

BARO sensor

C

CODES 
   Code explanations
        2 DIGIT 
        3 DIGIT
   Code Types and Formats

Cold Start Injector (CSI)

Constant Control Relay Modules (CCRMs)
    A/C circuits
    Fan circuits
    Fuel circuits 
    VPWR circuits 

D

Diode tests

Driveability diagnosis

E

EEC System Overview

EGR - The first of 3 different systems is HERE.

Electronics for EEC

Engine ID Codes

F

Fan circuits - see A/C AND COOLING FAN CIRCUITS

Fuel systems

    Description
    Fuel injectors
    Fuel injector specifications
    Fuel pressure diagnosis
    Fuel pressure specifications
    Fuel pump circuits (see POWER CIRCUITS AND RELAYS) 

G

Gates

H

HO2S sensor
    Description
    Diagnosis

I

Idle
    Control Systems
    Problems

IGNITION SYSTEMS
    Applications - Find which type you have.
    Distributor Ignition Systems - All up to 1989 and some after.
    Electronic Ignition Systems - Low Data Rate] - 2.3L Dual Plug, 3.0L (except FF), 3.2L SHO, & 3.8L SC
    Electronic Ignition Systems - High Data Rate] - 1.9L, 3.0L Flexible Fuel, 4.0L, 4.6L
    Operation explained
    Timing

ISC motors

K

Knock Sensor(KS)

M

Mass Air Flow (MAF) Sensor
Manifold Absolute (MAP) Sensor

O

O2S sensor 
    Description
    Diagnosis

R

Reference voltage (VREF)
    Definition	
    Diagnosis	

Relays (also see CCRMs and VCRMs)
    A/C
    Fan
    Fuel Pump
    Power

S

Sensors
    Barometric (BARO)
    EGR Valve Position (EVP) #1 or #2
    Flexible Fuel (FF)
    Knock (KS)
    Manifold Absolute (MAP)
    Manual Lever Position (MLP)
    Mass Air Flow (MAF)
    Oxygen (O2S, HO2S)
        Description
        Diagnosis
    Pressure Feedback EGR
    Intake Air and Engine Coolant Temperature
    Throttle Position (TP)
    Transmission Oil Temperature
    Transmission speed
    Vane Air Flow (VAF)
    Vane Air Temp (VAT)
    Vehicle Speed


Solenoids 
    AIRB
    AIRD
    CANP - see General Purpose below
    EGR
    General Purpose
    Intake Air Control Bypass Air (IAC BPA)
    Transmission

Switches
    Brake On Off (BOO)
    Park/Neutral Position (PNP)
    Power Steering Pressure (PSP)

T

Temperature sensors
    Engine Coolant (ECT)
    Intake Air (IAT)
    Transmission Oil (TOT)
    Vane Air (VAT)

TESTS
    Cylinder Balance
    Ignition Timing
    Key On Engine Off (KOEO)
    Key On Engine Running (KOER)
    Memory Erase
    Output State
    Wiggle Test

Throttle Position sensors

Timing

Transistors

TRANSMISSIONS
    
V

Variable Control Relay Module
    Fuel Pump Codes or A/C & Fan Codes
    Fuel Circuits
    VPWR Circuits

Variable Voltage Choke (VVC) relay

Vehicle Identification

Vehicle power (VPWR)
    VPWR - Definition
    VPWR - Diagnosis

Vehicle Speed Sensor (VSS)

Vehicle Year Codes

VREF - Definition
VREF - Diagnosis

Copyright 1987-2003 Dali Design. No part of this document may be reproduced without written permission from the author.


Dali Design, Berlin, MD

Remove the brackets to email: jthorsse[@]gmail[.]com