sensor DAEWOO LACETTI 2004 Service Workshop Manual

DAEWOO LACETTI 2004 Service Workshop Manual LACETTI 2004 DAEWOO DAEWOO https://www.carmanualsonline.info/img/54/56877/w960_56877-0.png DAEWOO LACETTI 2004 Service Workshop Manual

Page 251 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual ENGINE CONTROLS  1F – 5
DAEWOO V–121 BL4
SYMPTOM DIAGNOSIS1F–574 . . . . . . . . . . . . . . . . . . . 
Important Preliminary Checks 1F–574. . . . . . . . . . . . . 
Intermittents 1F–574. .

Page 252 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual 1F – 6IENGINE CONTROLS
DAEWOO V–121 BL4
SPECIFICATIONS
ENGINE DATA DISPLAY TABLES
Engine  Data Display
Parameter
ScalingValue
Desired Idle SpeedRPMECM idle command (varies with temperature)
Engine

Page 253 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual ENGINE CONTROLS  1F – 7
DAEWOO V–121 BL4
Parameter ValueScaling
A/C RequestYes/NoNo
A/C ClutchOn/OffOff
Fuel Pump CommandOn/OffOn
Closed LoopYes/NoYe s
Throttle At IdleYes/NoNo
O2 Ready (B1–S1)Y

Page 254 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual 1F – 8IENGINE CONTROLS
DAEWOO V–121 BL4
EGR Desired Position
The desired exhaust gas recirculation (EGR) position is
the commanded EGR position. The ECM calculates the
desired EGR position. The hi

Page 255 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual ENGINE CONTROLS  1F – 9
DAEWOO V–121 BL4
Spark Advance
This is a display of the spark advance Ignition Coil (IC) cal-
culation which the ECM is programming in the ignition sys-
tem. It computes th

Page 256 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual 1F – 10IENGINE CONTROLS
DAEWOO V–121 BL4
FASTENER TIGHTENING SPECIFICATIONS
ApplicationNSmLb–FtLb–In
Camshaft Position Sensor Bolts (1.4L/1.6L DOHC)7–62
Camshaft Position Sensor Bolts (1.8 D

Page 257 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual ENGINE CONTROLS  1F – 11
DAEWOO V–121 BL4
FUEL SYSTEM SPECIFICATIONS
Gasoline
All engines are designed to use unleaded fuel only. Un-
leaded fuel must be used for proper emission control sys-
tem

Page 272 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual 1F – 26IENGINE CONTROLS
DAEWOO V–121 BL4
T3B11F15
Front  Heated Oxygen Sensor
 (HO2S1) Connector
234 1
T3D11F47
EVAP Canister
Purge Solenoid
Connector
12

Page 274 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual 1F – 28IENGINE CONTROLS
DAEWOO V–121 BL4
COMPONENT LOCATOR
COMPONENT LOCATOR (1.4L/1.6L DOHC)
Components  on ECM Harness
11. Engine Control Module (ECM)
12. Data Link Connector (DLC)
13. Malfuncti

Page 275 of 2643

DAEWOO LACETTI 2004  Service Workshop Manual ENGINE CONTROLS  1F – 29
DAEWOO V–121 BL4
COMPONENT LOCATOR (1.8L DOHC)
Components  on ECM Harness
11. Engine Control Module (ECM)
12. Data Link Connector (DLC)
13. Malfunction Indicator Lamp (MIL