2004 DAEWOO LACETTI engine controls

ENGINE CONTROLS 1F – 615
DAEWOO V–121 BL4
Installation Procedure
1. Insert the canister into the track and slide it into
position.
2. Connect the canister fuel vapor hoses.
Tighten
Tighten the evaporative emission canister flange bolt
to 4 NSm (35 lb–in).
3. Install the canister flange bolt.
EVAPORATIVE EMISSION CANISTER
PURGE SOLENOID VALVE
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the evaporative (EVAP) emission canis-
ter purge solenoid connector.
3. Disconnect the vacuum hoses from the EVAP can-
ister purge solenoid.
4. Remove the EVAP canister purge solenoid bracket
bolt from the intake manifold.
5. Unclip the EVAP canister purge solenoid from the
mounting bracket.
Installation Procedure
1. Attach the EVAP canister purge solenoid to the
mounting bracket.
2. Install the EVAP canister purge solenoid and the
mounting bracket to the intake manifold with the
bracket bolt.
Tighten
Tighten the evaporative emission canister purge sole-
noid bracket bolt to 5 NSm (44 lb–in).
3. Connect the vacuum hoses to the EVAP canister
purge solenoid.
4. Connect the EVAP canister purge solenoid connec-
tor.
5. Connect the negative battery cable.
CRANKSHAFT POSITION (CKP)
SENSOR (1.4L/1.6L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the crankshaft position sensor (CKP)
electrical connector.

1F – 616IENGINE CONTROLS
DAEWOO V–121 BL4
3. Remove the crankshaft position sensor (CKP) bolt.
4. Remove the CKP sensor.
Installation Procedure
1. Install the CKP sensor with the bolt.
Tighten
Tighten the crankshaft position sensor (CKP) bolt to
6.5 NSm (57 lb–in).
2. Connect the CKP sensor electrical connector.
3. Connect the negative battery cable.
CRANKSHAFT POSITION (CKP)
SENSOR (1.8L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the power steering pump, if equipped. Re-
fer to Section 6B, Power Steering Pump.
3. Remove the A/C compressor. Refer to Section 7D,
Automatic Temperature Control Heating, Ventilation
and Air Conditioning System.
4. Remove the rear A/C compressor mounting bracket
bolts and the rear A/C compressor mounting brack-
et.

ENGINE CONTROLS 1F – 617
DAEWOO V–121 BL4
5. Remove the accessory mounting bracket by remov-
ing the bolts.
6. Disconnect the crankshaft position (CKP) sensor
connector.
7. Remove the CKP sensor retaining bolt.
8. Gently rotate and remove the CKP sensor from the
engine block.
Installation Procedure
1. Insert the CKP sensor into the engine block.
2. Install the CKP sensor retaining bolt.
Tighten
Tighten the crankshaft position sensor retaining bolt
to 8 NSm (71 lb–in).
3. Connect the CKP sensor connector.
4. Install the accessory mounting bracket with the
bolts.
Tighten
Tighten the accessory mounting bracket bolts to 27
NSm (37 lb–ft).
5. Install the rear A/C mounting bracket.
Tighten
Tighten the rear A/C mounting bracket bolts to 35
NSm (26 lb–ft).
6. Install the A/C compressor. Refer to Section 7D,
Automatic Temperature Control Heating, Ventilation
and Air Conditioning System.
7. Install the power steering pump. Refer to Section
6B, Power Steering Pump.
8. Connect the negative battery cable.

1F – 618IENGINE CONTROLS
DAEWOO V–121 BL4
CAMSHAFT POSITION SENSOR
(1.4L/1.6L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the engine cover bolts and the nuts.
3. Remove the engine cover.
4. Disconnect the CMP sensor electrical connector.
5. Remove the timing belt front cover. Refer to Sec-
tion 1C, DOHC Engine Mechanical.
6. Remvoe the CMP sensor bolts.
7. Remvoe the CMP sensor from the top.
Installation Procedure
1. Install the camshaft position sensor and bolt.
Tighten
Tighten the camshaft position sensor bolts to 7 NSm
(62 lb–in).
2. Install the timing bolt front cover. Refer to Section
1C, DOHC Engine Mechanical.
3. Connect the CMP sensor electrical connector.
4. Install the engine cover.
5. Connect the negative battery cable.

ENGINE CONTROLS 1F – 619
DAEWOO V–121 BL4
CAMSHAFT POSITION SENSOR
(1.8L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the engine cover.
3. Disconnect the sensor electrical connector.
4. Remove the timing belt front cover. Refer to Sec-
tion 1C, DOHC Engine Mechanical.
5. Remove the camshaft position sensor bolts.
6. Remove the camshaft position sensor from the top.
Installation Procedure
1. Install the camshaft position sensor and bolts.
Tighten
Tighten the camshaft position bolts to 8 NSm (71 lb–
in).
2. Install the timing belt front cover, the crankshaft
pulley, the accessory drive belt, and the air filter.
Refer to Section 1C, DOHC Engine Mechanical.
3. Connect the sensor electrical connector.
4. Install the engine cover.
5. Connect the negative battery cable.

1F – 620IENGINE CONTROLS
DAEWOO V–121 BL4
ENGINE CONTROL MODULE
(1.4L/1.6L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the engine control module (ECM) wiring
harness connector.
3. Remove the nuts from the engine control module
(ECM) mounting bracket.
4. Remove the engine control module (ECM) mount-
ing bracket with the bolt and the nut.
Installation Procedure
1. Install the engine control module (ECM) mounting
bracket with the bolt and the nut.
Tighten
Tighten the ECM mounting bracket bolt and the nut to
12 NSm (9 lb–ft).
2. Install the engine control module (ECM) with the
nuts.
Tighten
Tighten the engine control module (ECM) nut to 12
NSm (9 lb–ft).

ENGINE CONTROLS 1F – 621
DAEWOO V–121 BL4
ENGINE CONTROL MODULE
(1.8L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the air intake tube and resonator.
3. Disconnect the ECM connectors from the ECM.
4. Remove the engine Control module.
Installation Procedure
1. Connect the ECM connectors to the ECM.
2. Align the ECM into the mounting base.
3. Snap the ECM into its mounting base.
4. Install the ECM trim locks.
5. Install the passenger side kick panel. Refer to Sec-
tion 9G, Interior Trim.
6. Connect the negative battery cable.
7. Perform a crankshaft position system variation
learning procedure. Refer to ”DTC P1336” in this
section.
ELECTRONIC IGNITION SYSTEM
IGNITION COIL (1.4L/1.6L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the electronic ignition (EI) system igni-
tion coil connector.
3. Note the ignition wire location and remove the igni-
tion wire.
4. Remvoe the EI system ignition coil retaining nuts.
5. Remove the EI system ignition coil.
Installation Procedure
1. Install the EI system ignition coil into the mounting
location and install the retaining nuts.
Tighten
Tighten the EI system ignition coil retaining nuts to 10
NSm (89 lb–in).
2. Connect the EI system ignition coil connector.
3. Connect the negative battery cable.

1F – 622IENGINE CONTROLS
DAEWOO V–121 BL4
ELECTRONIC IGNITION SYSTEM
IGNITION COIL (1.8L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the electronic ignition (EI) system igni-
tion coil connector.
3. Note the ignition wire location and remove the igni-
tion wires.
4. Remove the EI system ignition coil retaining bolts.
5. Remove the EI system ignition coil.
Installation Procedure
1. Install the EI system ignition coil into the mounting
location and install the retaining bolts.
Tighten
Tighten the electronic ignition system ignition coil re-
taining bolts to 10 NSm (89 lb–in).
2. Connect the EI system ignition coil connector.
3. Install the ignition wires.
4. Connect the negative battery cable.