2004 DAEWOO LACETTI heater

night vision fuse deactivate passenger airbag open gas tank carplay service indicator

Page 879 of 2643

DAEWOO LACETTI 2004 Service Repair Manual ENGINE CONTROLS 1F – 633
DAEWOO V–121 BL4
Failed This Ig. (Failed This Ignition)
This message display indicates that the diagnostic test
has failed at least once during the current ignition cycle

ENGINE CONTROLS 1F – 633
DAEWOO V–121 BL4
Failed This Ig. (Failed This Ignition)
This message display indicates that the diagnostic test
has failed at least once during the current ignition cycle.
This message will clear when DTCs are cleared or the igni-
tion is cycled.
History
This message display indicates that the DTC has been
stored in memory as a valid fault. A DTC displayed as a
History fault may not mean that the fault is no longer pres-
ent. The history description means that all the conditions
necessary for reporting a fault have been met (maybe
even currently), and the information was stored in the con-
trol module memory.
MIL Requested
This message display indicates that the DTC is currently
causing the MIL to be turned ON. Remember that only
type A and type B DTCs can request the MIL. The MIL re-
quest cannot be used to determine if the DTC fault condi-
tions are currently being experienced. This is because the
diagnostic executive will require up to three trips during
which the diagnostic test passes to turn OFF the MIL.
Not Run Since CI (Not Run Since Cleared)
This message display indicates that the selected diagnos-
tic test has not run since the last time DTCs were cleared.
Therefore, the diagnostic test status (passing or failing) is
unknown. After DTCs are cleared, this message will con-
tinue to be displayed until the diagnostic test runs.
Not Run This Ig. (Not Run This Ignition)
This message display indicates that the selected diagnos-
tic test has not run during this ignition cycle.
Test Ran and Passed
This message display indicates that the selected diagnos-
tic test has done the following:
S Passed the last test.
S Run and passed during this ignition cycle.
S Run and passed since DTCs were last cleared.
If the indicated status of the vehicle is ”Test Ran and
Passed” after a repair verification, the vehicle is ready to
be released to the customer.
If the indicated status of the vehicle is ”Failed This Ignition”
after a repair verification, then the repair is incomplete and
further diagnosis is required.
Prior to repairing a vehicle, status information can be used
to evaluate the state of the diagnostic test, and to help
identify an intermittent problem. The technician can con-
clude that although the MIL is illuminated, the fault condi-
tion that caused the code to set is not present. An intermit-
tent condition must be the cause.
PRIMARY SYSTEM – BASED
DIAGNOSTICS
There are primary system–based diagnostics which eval-
uate system operation and its effect on vehicle emissions.
The primary system–based diagnostics are listed below
with a brief description of the diagnostic function:
Oxygen Sensor Diagnosis
The fuel control Front Heated Oxygen Sensor (HO2S1) is
diagnosed for the following conditions:
S Slow response.
S Response time (time to switch R/L or L/R).
S Inactive signal (output steady at bias voltage
approx. 450 mv).
S Signal fixed high.
S Signal fixed low.
The catalyst monitor Rear Heated Oxygen Sensor
(HO2S2) is diagnosed for the following conditions:
S Heater performance (time to activity on cold start).
S Signal fixed low during steady state conditions or
power enrichment (hard acceleration when a rich-
mixture should be indicated).
S Signal fixed high during steady state conditions or
deceleration mode (deceleration when a lean mix-
ture should be indicated).
S Inactive sensor (output steady at approximately 438
mv).
If the oxygen sensor pigtail wiring, connector or terminal
are damaged, the entire oxygen sensor assembly must be
replaced. Do not attempt to repair the wiring, connector or
terminals. In order for the sensor to function properly, it
must have clean reference air provided to it. This clean air
reference is obtained by way of the oxygen sensor wire(s).
Any attempt to repair the wires, connector or terminals
could result in the obstruction of the reference air and de-
grade oxygen sensor performance.
Misfire Monitor Diagnostic Operation
The misfire monitor diagnostic is based on crankshaft
rotational velocity (reference period) variations. The en-
gine control module (ECM) determines crankshaft rota-
tional velocity using the Crankshaft Position (CKP) sensor
and the Camshaft Position (CMP) sensor. When a cylinder
misfires, the crankshaft slows down momentarily. By mon-
itoring the CKP and CMP sensor signals, the ECM can cal-
culate when a misfire occurs.
For a non–catalyst damaging misfire, the diagnostic will be
required to monitor a misfire present for between
1000–3200 engine revolutions.
For catalyst–damaging misfire, the diagnostic will respond
to misfire within 200 engine revolutions.
Rough roads may cause false misfire detection. A rough
road will cause torque to be applied to the drive wheels and
drive train. This torque can intermittently decrease the
crankshaft rotational velocity. This may be falsely de-
tected as a misfire.

Page 892 of 2643

DAEWOO LACETTI 2004 Service Repair Manual POSITION OF CONNECTORS AND GROUNDSW2–3
2) CONNECTOR INFORMATION
Connector
Number
Te r m i n a l
NumberColorConnecting Wiring
HarnessConnector Position
C10121 PinWhiteBody Engine Fuse BlockEngine F

POSITION OF CONNECTORS AND GROUNDSW2–3
2) CONNECTOR INFORMATION
Connector
Number
Te r m i n a l
NumberColorConnecting Wiring
HarnessConnector Position
C10121 PinWhiteBody Engine Fuse BlockEngine Fuse Block
C10211 P i nWhiteBody Engine Fuse BlockEngine Fuse Block
C10310 PinWhiteEngine Engine Fuse BlockEngine Fuse Block
C10424 PinWhiteFront Engine Fuse BlockEngine Fuse Block
C1054 PinWhiteBody Engine Fuse BlockEngine Fuse Block
C10620 PinWhiteEngine Engine Fuse BlockEngine Fuse Block
C1072 PinWhiteABS Engine Fuse BlockEngine Fuse Block
C10824 PinBlackBody EngineLeft Engine Fuse Block
C1094 PinWhiteEngine FrontUnder Engine Fuse Block
C11012 PinWhiteABS BodyBelow Engine Fuse Block
C 1112 PinBlackABS FrontBelow Engine Fuse Block
C1122 PinBlackFront – HornCenter Cross Member Panel
C11316 PinBlackBody FrontBehind ECM Bracket
C20176 PinBlackI.P I.P Fuse BlockI.P Fuse Block
C20289 PinWhiteI.P BodyLeft CO–Driver Leg Room
C2048 PinWhiteRoof Body (W/O Rain Sensor)Left CO–Driver Leg Room
C20414 PinWhiteRoof Body(W/ Rain Sensor)Left CO–Driver Leg Room
C20622 PinWhiteI.P TCMUpper Driver Leg Room
C2076 PinWhiteAir Bag I.PUpper Left Driver Leg Room
C20815 PinWhiteI.P FAT CBehind Glove Box
C20920 PinBlackFAT C FAT C . A u xBetween Heater Core and
Evaporator Core
C2106 PinWhiteI.P ConsoleBelow Console Box
C3018 PinWhiteAir Bag BodyFront SDM
C3024 PinBlackRR. ABS BodyCenter Rear Cross Member
C35133 PinGrayBody Front Light DoorUnder CO–Driver A Pillar
C36133 PinGrayBody Front Right DoorUnder Driver A Pillar
C37112 PinWhiteBody Rear Light DoorUnder Left B Pillar
C38112 PinWhiteBody Rear Right DoorUnder Right B Pillar
C401 (N/B)8 PinWhiteTrunk BodyInside Right Trunk Side Cover
C401 (H/B)6 PinWhiteTrunk BodyInside Right Trunk Side Cover
C4026 PinWhiteTrunk LID BodyInside Right Trunk Side Cover
C4036 PinWhiteT/Gate. EXT. – BodyInside Left C Pillar
C4048 PinWhiteT/Gate. EXT. – BodyInside Left C Pillar
C4058 PinWhiteT/Gate. EXT. – T/GateBeside Left Rear Wiper Motor
C4066 PinWhiteT/Gate. EXT. – T/GateBeside Left Rear Wiper Motor
3) GROUND INFORMATION
Ground Number
Wiring HarnessGround Position
G101FrontBehind Left Head Lamp
G102FrontBehind Right Head Lamp
G103BatteryLeft Battery
G104EngineUnder Start Motor
G105BatteryUnder Start Motor
G106ABSBelow EBCM
G107Engine(MR–140/HV–240)Under Start Motor
G201I.PLeft I/P Fuse Block
G202Air BagBehind Left Audio Bracket
G203I.PBehind Left Audio Bracket
G205RoofUpper Driver Leg Room
G301BodyBelow Driver Cross Member Floor Panel
G302BodyBelow Left C Pillar
G303BodyBelow Left CO–Driver Leg Room
G401TrunkCenter Trunk Lower Back Panel
G402T/Gate. EXT.Inside Driver C Pillar
4) SPLICE PACK INFORMATION
Splice Pack Number
ColorWiring HarnessGround Position
S101BlackEngine(MR–140/HV–240)Upper Transmission
S202BlackI.PBehind Cluster
S203RedI.PBehind Audio Mounting
S204MagentaI.PBehind Audio Mounting
S205OrangeTCM (MR–140/HV–240)Upper Driver Leg Room
S301BlueBodyLeft CO–Driver Leg Room
S302BrownBodyLeft CO–Driver Leg Room

Page 1178 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5–18WELECTRICAL WIRING DIAGRAMS
5) CLUSTER, FUEL PUMP & TCM CIRCUITa. CONNECTOR INFORMATION
CONNECTOR(NO.)
(PIN NO. COLOR)
CONNECTING, WIRING HARNESSCONNECTOR POSITION
C101 (21 Pin, White)Body Eng

Page 1190 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5–30WELECTRICAL WIRING DIAGRAMS
5) CLUSTER, FUEL PUMP & TCM CIRCUITa. CONNECTOR INFORMATION
CONNECTOR(NO.)
(PIN NO. COLOR)
CONNECTING, WIRING HARNESSCONNECTOR POSITION
C102 (11 Pin, White)Body Eng

Page 1196 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5–36WELECTRICAL WIRING DIAGRAMS
2) FUEL PUMP, INJECTOR, FUEL CONNECTOR & CMP SENSOR CIRCUITa. CONNECTOR INFORMATION
CONNECTOR(NO.)
(PIN NO. COLOR)
CONNECTING, WIRING HARNESSCONNECTOR POSITION
C101 (

Page 1228 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5–68WELECTRICAL WIRING DIAGRAMS
8. FATC (FULL AUTOMATIC TEMPERATURE CONTROL)
1) BLOWER MOTOR, INTAKE MOTOR, MODE MOTOR, MAX HIGH RELAY & POWER TR CIRCUIT
a. CONNECTOR INFORMATION
CONNECTOR(NO.)
(PIN

Page 1230 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5–70WELECTRICAL WIRING DIAGRAMS
2) SENSOR (AMBIENT, INCAR, SUN & WATER), AIR MIX DOOR MOTOR, A/C COMPRESSOR &
ECM CIRCUIT
2–1) MR–140/HV–240
a. CONNECTOR INFORMATION
CONNECTOR(NO.)
(PIN NO. CO

Page 1232 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5–72WELECTRICAL WIRING DIAGRAMS
2–2) SIRIUS D4a. CONNECTOR INFORMATION
CONNECTOR(NO.)
(PIN NO. COLOR)
CONNECTING, WIRING HARNESSCONNECTOR POSITION
C101 (21 Pin, White)Body Engine Fuse BlockEngin

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