2004 DAEWOO LACETTI speed sensor

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Page 255 of 2643

DAEWOO LACETTI 2004  Service Repair 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 274 of 2643

DAEWOO LACETTI 2004  Service Repair 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 Repair 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

Page 339 of 2643

DAEWOO LACETTI 2004  Service Repair Manual ENGINE CONTROLS  1F – 93
DAEWOO V–121 BL4
ENGINE COOLING FAN CIRCUIT CHECK – DUAL FAN
(1.4L/1.6L DOHC)
Circuit Description
The engine cooling fan circuit operates the main cooling
fan and the au

Page 346 of 2643

DAEWOO LACETTI 2004  Service Repair Manual 1F – 100IENGINE CONTROLS
DAEWOO V–121 BL4
ENGINE COOLING FAN CIRCUIT CHECK – DUAL FAN
(1.8L DOHC)
Circuit Description
The engine cooling fan circuit operates the main cooling
fan and the auxilia

Page 358 of 2643

DAEWOO LACETTI 2004  Service Repair Manual 1F – 112IENGINE CONTROLS
DAEWOO V–121 BL4
DTCIlluminate  MIL Error
Type Function
P0300Multiple Cylinder Misfire (Increase Emission)EYES
P0327Knock Sensor Circuit Fault (1.4L DOHC)CnlNO
P0327Knock

Page 360 of 2643

DAEWOO LACETTI 2004  Service Repair Manual 1F – 114IENGINE CONTROLS
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0107
MANIFOLD ABSOLUTE PRESSURE SENSOR LOW
VOLTAGE
Circuit Description
The engine control module (ECM) uses the Manifold Ab

Page 363 of 2643

DAEWOO LACETTI 2004  Service Repair Manual ENGINE CONTROLS  1F – 117
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0108
MANIFOLD ABSOLUTE PRESSURE SENSOR HIGH
VOLTAGE
Circuit Description
The engine control module (ECM) uses the Manifold
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