diagram DAEWOO LACETTI 2004 Service Repair Manual

SECTION 1
HOW TO USE ELECTRICAL WIRING DIAGRAM
CONTENTS
1. HOW TO READ ELECTRICAL WIRING DIAGRAM 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. CIRCUIT IDENTIFICATION SYMBOL 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3. FUNCTION OF POWER SUPPLY LINE 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4. WIRING HARNESS COLOR IDENTIFICATION 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5. HOW TO CHECK TERMINAL NUMBER OF CONNECTOR 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1–2WHOW TO USE ELECTRICAL WIRING DIAGRAM
1. HOW TO READ ELECTRIC WIRING DIAGRAM1) CONTENTS OF ELECTRICAL WIRING DIAGRAM (CIRCUIT)
POSITION
EXPLANATION
A" Upper horizontal lines : Power supply lines
" Power supply lines : 30, 15, 15A, 15C, 58
B" Ef20 or F2 : Fuse Number
S Ef20 : Fuse No #20 in engine room fuse box
S F2 : Fuse No #2 in passenger room fuse box
C" Connector (C101~C902)
S Connector No C203 terminal No1
S Refer to Major Connector Position (Section 2)
D" S201 : Splice pack (S101~S303)
S Refer to Major Splice Pack Position (Section2)
E" Internal circuit of component (Relay)
(Component Name and Terminal Number)
F" Internal circuit of component (switch)
(Component Name, Terminal Number and Connecting Wiring Circuit)
G" Wiring Harness Color
S Refer to Wiring Harness Color Abbreviation
H" Lower horizontal line : Ground line
S Ground position(G101~G401)
S B : Body Ground
S Refer to Major Ground Position (Section2)

HOW TO USE ELECTRICAL WIRING DIAGRAMW1–3
2. CIRCUIT IDENTIFICATION SYMBOL
IDENTIFICATION
SYMBOLMEANING
CConnector
DDiode
EfFuse in engine room fuse box
FFuse in passenger room fuse box
GGround
SSplice pack(Junction connector)
3. FUNCTION OF POWER SUPPLY LINE (NUMBER)
Power supply NoPower supply condition
15Battery Voltage(B+) supply in Ignition Switch ”ON” and ”ST” (IGN 1)
15ABattery Voltage(B+) supply in Ignition Switch ”ON” (IGN 2)
15CBattery Voltage(B+) supply in Ignition Switch ”ON” and ”ACC”
30Battery Voltage(B+) supply directly regardless of Ignition Switch
31Ground connected to battery(
)
58Battery Voltage(B+) supply in Head Lamp Switch 1st and 2nd step (Illumination circuit)
4. WIRING HARNESS COLOR IDENTIFICATION
AbbreviationColorAbbreviationColor
BrBrownSbSky Blue
GGreenRRed
VVioletLBlue
PPinkYYellow
WWhiteGrGray
OrOrangeBBlack
LgLight Green
5. HOW TO CHECK TERMINAL NUMBER OF CONNECTOR
" Terminal number is given based on Female Terminal Connectorex) Terminal Number 4 of C901 connection

SECTION : 1E
ENGINE ELECTRICAL
CAUTION : Disconnect the negative battery cable before removing or installing any electrical unit or when a tool
or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable will help
prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise noted.
TABLE OF CONTENTS
SPECIFICATIONS1E–2 . . . . . . . . . . . . . . . . . . . . . . . . . .
Starter Specifications 1E–2. . . . . . . . . . . . . . . . . . . . . .
Battery Specifications 1E–2. . . . . . . . . . . . . . . . . . . . . .
Fastener Tightening Specifications 1E–3. . . . . . . . . .
SCHEMATIC AND ROUTING DIAGRAMS1E–4 . . . . .
Startimg System 1E–4. . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System 1E–5. . . . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS1E–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
No Crank 1E–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starter Motor Noise 1E–9. . . . . . . . . . . . . . . . . . . . . . .
Battery Load Test 1E–9. . . . . . . . . . . . . . . . . . . . . . . . .
Genrator Output Test 1E–10. . . . . . . . . . . . . . . . . . . . .
Generator System Check 1E–10. . . . . . . . . . . . . . . . .
MAINTENANCE AND REPAIR1E–11 . . . . . . . . . . . . . .
ON–VEHICLE SERVICE 1E–11. . . . . . . . . . . . . . . . . . . .
Generator 1E–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starter 1E–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery and Battery Tray 1E–15. . . . . . . . . . . . . . . . . . . UNIT REPAIR 1E–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starter Motor 1E–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Generator 1E–25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL DESCRIPTION AND SYSTEM
OPERATION1E–30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery 1E–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ratings 1E–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reserve Capacity 1E–30. . . . . . . . . . . . . . . . . . . . . . . . .
Cold Cranking Amperage 1E–30. . . . . . . . . . . . . . . . . .
Built–In Hydrometer 1E–30. . . . . . . . . . . . . . . . . . . . . . .
Charging Procedure 1E–30. . . . . . . . . . . . . . . . . . . . . . .
Charging Time Required 1E–31. . . . . . . . . . . . . . . . . . .
Charging a Completely Discharged Battery
(OFF the Vehicle) 1E–31. . . . . . . . . . . . . . . . . . . . . . .
Jump Starting Procedure 1E–31. . . . . . . . . . . . . . . . . .
Generator 1E–32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System 1E–32. . . . . . . . . . . . . . . . . . . . . . . . .
Starter 1E–32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting System 1E–32. . . . . . . . . . . . . . . . . . . . . . . . . .

1E – 4IENGINE ELECTRICAL
DAEWOO V–121 BL4
SCHEMATIC AND ROUTING DIAGRAMS
STARTIMG SYSTEM

SECTION : 1F
ENGINE CONTROLS
CAUTION : Disconnect the negative battery cable before removing or installing any electrical unit o r w hen a
tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable will
help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise
noted.
TABLE OF CONTENTS
SPECIFICATIONS1F–6 . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Data Display Tables 1F–6. . . . . . . . . . . . . . . . .
Engine Data Display Table Definitions 1F–7. . . . . . . .
Fastener Tightening Specifications 1F–10. . . . . . . . .
Fuel System Specifications 1F–11. . . . . . . . . . . . . . . . .
Temperature Vs Resistance 1F–11. . . . . . . . . . . . . . . .
SCHEMATIC AND ROUTING DIAGRAMS1F–12 . . . .
ECM Wiring Diagram
(1.4L/1.6L DOHC – 1 OF 6) 1F–12. . . . . . . . . . . . . .
ECM Wiring Diagram
(1.4L/1.6L DOHC – 2 OF 6) 1F–13. . . . . . . . . . . . . .
ECM Wiring Diagram
(1.4L/1.6L DOHC – 3 OF 6) 1F–14. . . . . . . . . . . . . .
ECM Wiring Diagram
(1.4L/1.6L DOHC – 4 OF 6) 1F–15. . . . . . . . . . . . . .
ECM Wiring Diagram
(1.4L/1.6L DOHC – 5 OF 6) 1F–16. . . . . . . . . . . . . .
ECM Wiring Diagram
(1.4L/1.6L DOHC – 6 OF 6) 1F–17. . . . . . . . . . . . . .
ECM Wiring Diagram (1.8L DOHC – 1 OF 6) 1F–18.
ECM Wiring Diagram (1.8L DOHC – 2 OF 6) 1F–19.
ECM Wiring Diagram (1.8L DOHC – 3 OF 6) 1F–20.
ECM Wiring Diagram (1.8L DOHC – 4 OF 6) 1F–21.
ECM Wiring Diagram (1.8L DOHC – 5 OF 6) 1F–22.
ECM Wiring Diagram (1.8L DOHC – 6 OF 6) 1F–23.
Connector End View 1F–24. . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATOR1F–28 . . . . . . . . . . . . . . . . . . .
Component Locator (1.4L/1.6L DOHC) 1F–28. . . . . .
Component Locator (1.8L DOHC) 1F–29. . . . . . . . . . .
DIAGNOSIS1F–30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYSTEM DIAGNOSIS 1F–30. . . . . . . . . . . . . . . . . . . . . .
Diagnostic Aids 1F–30. . . . . . . . . . . . . . . . . . . . . . . . . . .
Idle Learn Procedure 1F–30. . . . . . . . . . . . . . . . . . . . . .
TEC (Tooth Error Correction) Learn Procedure 1F–31ON–Board Diagnostic (EOBD) System Check
(1.4L/1.6L DOHC) 1F–32. . . . . . . . . . . . . . . . . . . . . . .
ON–Board Diagnostic (EOBD) System Check
(1.8L DOHC) 1F–34. . . . . . . . . . . . . . . . . . . . . . . . . . .
Multiple ECM Informationn Sensor Dtcs Set 1F–36. .
Engine Cranks But Will Not Run
(1.4L/1.6L DOHC) 1F–40. . . . . . . . . . . . . . . . . . . . . . .
Engine Cranks But Will Not Run (1.8L DOHC) 1F–47
No Malfunction Indicator Lamp (
1.4L/1.6L DOHC) 1F–54. . . . . . . . . . . . . . . . . . . . . . .
No Malfunction Indicator Lamp (1.8L DOHC) 1F–56.
Malfunction Indicator Lamp On Steady (1.4L/1.6L
DOHC) 1F–58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Malfunction Indicator Lamp On Steady
(1.8L DOHC) 1F–60. . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel System Diagnosis 1F–62. . . . . . . . . . . . . . . . . . . .
Fuel Pump Relay Circuit Check
(1.4L/1.6L DOHC) 1F–65. . . . . . . . . . . . . . . . . . . . . . .
Fuel Pump Relay Circuit Check (1.8L DOHC) 1F–68.
Main Relay Circuit Check (1.4L/1.6L DOHC) 1F–71.
Main Relay Circuit Check (1.8L DOHC) 1F–73. . . . . .
Manifold Absolute Pressure Check
(1.4L/1.6L DOHC) 1F–75. . . . . . . . . . . . . . . . . . . . . . .
Manifold Absolute Pressure Check
(1.8L DOHC) 1F–77. . . . . . . . . . . . . . . . . . . . . . . . . . .
Idle Air Control System Check
(1.4L/1.6L DOHC) 1F–79. . . . . . . . . . . . . . . . . . . . . . .
Idle Air Control System Check (1.8L DOHC) 1F–82. .
Ignition System Check (1.4L/1.6L DOHC) 1F–85. . . .
Ignition System Check (1.8L DOHC) 1F–88. . . . . . . .
Engine Cooling Fan Circuit Check – Dual Fan
(1.4L/1.6L DOHC) 1F–93. . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling Fan Circuit Check – Dual Fan
(1.8L DOHC) 1F–100. . . . . . . . . . . . . . . . . . . . . . . . . .
Data Link Connector Diagnosis
(1.4L/1.6L DOHC) 1F–106. . . . . . . . . . . . . . . . . . . . . .
Data Link Connector Diagnosis (1.8L DOHC) 1F–108
Fuel Injector Balance Test 1F–110. . . . . . . . . . . . . . . .

1F – 12IENGINE CONTROLS
DAEWOO V–121 BL4
SCHEMATIC AND ROUTING DIAGRAMS
ECM WIRING DIAGRAM (1.4L/1.6L DOHC – 1 OF 6)

ENGINE CONTROLS 1F – 13
DAEWOO V–121 BL4
ECM WIRING DIAGRAM (1.4L/1.6L DOHC – 2 OF 6)

1F – 14IENGINE CONTROLS
DAEWOO V–121 BL4
ECM WIRING DIAGRAM (1.4L/1.6L DOHC – 3 OF 6)

ENGINE CONTROLS 1F – 15
DAEWOO V–121 BL4
ECM WIRING DIAGRAM (1.4L/1.6L DOHC – 4 OF 6)