2004 DAEWOO LACETTI oxygen sensor

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Page 256 of 2643

DAEWOO LACETTI 2004  Service Repair 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 272 of 2643

DAEWOO LACETTI 2004  Service Repair 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 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 317 of 2643

DAEWOO LACETTI 2004  Service Repair Manual ENGINE CONTROLS  1F – 71
DAEWOO V–121 BL4
MAIN RELAY CIRCUIT CHECK (1.4L/1.6L DOHC)
Circuit Description
When the ignition is turned On or to the START position,
the main relay is energized. The ma

Page 319 of 2643

DAEWOO LACETTI 2004  Service Repair Manual ENGINE CONTROLS  1F – 73
DAEWOO V–121 BL4
MAIN RELAY CIRCUIT CHECK (1.8L DOHC)
Circuit Description
When the ignition is turned On or to the START position,
the main relay is energized. The main re

Page 357 of 2643

DAEWOO LACETTI 2004  Service Repair Manual ENGINE CONTROLS  1F – 111
DAEWOO V–121 BL4
TROUBLE CODE DIAGNOSIS
(1.4L/1.6L DOHC)
CLEARING TROUBLE CODES
Notice : To prevent Engine Control Module (ECM) dam-
age, the key must be OFF when disconn

Page 383 of 2643

DAEWOO LACETTI 2004  Service Repair Manual ENGINE CONTROLS  1F – 137
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0131
FRONT HEATED OXYGEN SENSOR LOW VOLTAGE
Circuit Description
The engine control module (ECM) supplies a voltage of
abou
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