2004 DAEWOO LACETTI ignition

SECTION : 9E
INSTRUMENTATION/DRIVER INFORMATION
CAUTION : Disconnect the negative battery cable before removing or installing any electrical unit or when a tool
or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable will help
prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise noted.
TABLE OF CONTENTS
SPECIFICATIONS9E–2 . . . . . . . . . . . . . . . . . . . . . . . . . .
Fastener Tightening Specifications 9E–2. . . . . . . . . . .
Instrument Cluster Indicator Lamps
Specifications 9E–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
SCHEMATIC AND ROUTING DIAGRAMS9E–3 . . . . .
Instrument Cluster Circuit (1 of 2) 9E–3. . . . . . . . . . . .
Instrument Cluster Circuit (2 of 2) 9E–4. . . . . . . . . . . .
Cigar Lighter And Extra Power Jack Circuit 9E–5. . . .
DIAGNOSIS9E–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigar Lighter 9E–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital Clock 9E–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel Illumination 9E–9. . . . . . . . . . . . . . . .
Speedometer 9E–10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Gauge 9E–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Gauge 9E–11. . . . . . . . . . . . . . . . . . . . . . .
Instrument Cluster Indicator Lamps 9E–12. . . . . . . . .
Chime Module 9E–13. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chime Module 9E–14. . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE AND REPAIR9E–18 . . . . . . . . . . . . . .
ON–VEHICLE SERVICE 9E–18. . . . . . . . . . . . . . . . . . . .
Center Molding 9E–18. . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Cluster Trim Panel 9E–18. . . . . . . . . . . . . .
Garnish Molding 9E–19. . . . . . . . . . . . . . . . . . . . . . . . . .
Ashtray 9E–19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cigar Lighter 9E–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glove Box 9E–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notchback Deposit Box 9E–21. . . . . . . . . . . . . . . . . . . .
Notchback Digital Clock 9E–21. . . . . . . . . . . . . . . . . . .
Hatchback Digital Clock 9E–22. . . . . . . . . . . . . . . . . . .
Instrument Cluster 9E–23. . . . . . . . . . . . . . . . . . . . . . . .
Instrument Cluster Dimmer/Headlamp
Leveling Switch 9E–23. . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Cluster Indicator Lamps 9E–24. . . . . . . . .
Instrument Panel 9E–24. . . . . . . . . . . . . . . . . . . . . . . . .
Chime Module 9E–28. . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL DESCRIPTION AND SYSTEM
OPERATION9E–30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigar Lighter 9E–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ashtray 9E–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel Vents 9E–30. . . . . . . . . . . . . . . . . . . .
Glove Box 9E–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital Clock 9E–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Cluster 9E–30. . . . . . . . . . . . . . . . . . . . . . . .
Speedometer/Odometer/Trip Odometer 9E–30. . . . . .
Fuel Gauge 9E–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Gauge 9E–30. . . . . . . . . . . . . . . . . . . . . . .
Instrument Cluster Indicator Lamps 9E–30. . . . . . . . .
Chime Module 9E–30. . . . . . . . . . . . . . . . . . . . . . . . . . . .

9E – 6IINSTRUMENTATION/DRIVER INFORMATION
DAEWOO V–121 BL4
DIAGNOSIS
CIGAR LIGHTER
Cigar Lighter Inoperative
StepActionValue(s)YesNo
1Check fuse F19.
Is the fuse blown?–Go to Step 2Go to Step 3
21. Check for a short circuit and repair it, if neces-
sary.
2. Replace the fuse.
Is the repair complete?–System OK–
31. Turn the ignition key to ACC.
2. Use a voltmeter to check for voltage at fuse
F19.
Does the battery voltage available at the fuse F19
match the value specified?11–14 vGo to Step 5Go to Step 4
4Repair the open power supply circuit for fuse F19.
Is the repair complete?–System OK–
51. Remove the electrical connector from the back
of the cigar lighter.
2. Turn the ignition key to ACC.
3. Use a voltmeter to check the voltage at the
ORN wire.
Does the battery voltage available at the YEL wire
match the value specified?11–14 vGo to Step 7Go to Step 6
6Repair the open circuit between fuse F19 and the ci-
gar lighter.
Is the repair complete?–System OK–
7With the ignition key still in the ACC position, con-
nect the voltmeter between the YEL and the BLK
wires at the cigar lighter connector.
Does the battery voltage match the value specified?11–14 vGo to Step 9Go to Step 8
8Repair the open ground circuit.
Is the repair complete?–System OK–
9Replace the cigar lighter.
Is the repair complete?–System OK–

INSTRUMENTATION/DRIVER INFORMATION 9E – 7
DAEWOO V–121 BL4
DIGITAL CLOCK
Digital Clock Inoperative
StepActionValue(s)YesNo
1Check fuses F17, Ef28 and F22.
Is either fuse F17, Ef28 and F22 blown?–Go to Step 2Go to Step 3
21. Check for a short circuit and repair it, if neces-
sary.
2. Replace the blown fuses.
Is the repair complete?–System OK–
31. Turn the ignition ON.
2. Use a voltmeter to check battery voltage avail-
able at fuses F17, Ef28 and F22.
Does the voltmeter indicate the value specified?11–14 vGo to Step 5Go to Step 4
4Repair the open power supply circuit for the fuse.
Is the repair complete?–System OK–
5Use a voltmeter to check the battery voltage avail-
able at the clock connector terminal 6.
Does the voltmeter indicate the value specified?11–14 vGo to Step 7Go to Step 6
6Repair the open circuit between the clock connector
terminal 2 and the fuse F22.
Is the repair complete?–System OK–
7Turn the ignition ON.
Is battery voltage available at the clock connector
terminal 5?–Go to Step 9Go to Step 8

9E – 10IINSTRUMENTATION/DRIVER INFORMATION
DAEWOO V–121 BL4
SPEEDOMETER
Speedometer Inoperative, Other Gauges and Warning Lamps Are
OK
StepActionValue(s)YesNo
11. Connect a scan tool.
2. Check for engine control diagnostic trouble
codes (DTCs).
Is the vehicle speed sensor DTC set?–Go to
Section 1F, En-
gine ControlsGo to Step 2
21. Turn the ignition OFF.
2. Disconnect the engine control module (ECM)
connector.
3. Remove the instrument cluster.
4. Check continuity between ECM terminal K6
(B23 ; HV–240, 51 ; SIRIUS D4) and the in-
strument cluster connector terminal B5.
Does the ohmmeter indicate the specified value?0 WGo to Step 4Go to Step 3
3Repair the open circuit between the instrument clus-
ter connector terminal B5 and the ECM.
Is the repair complete?–System OK–
4Replace the speedometer.
Is the repair complete?–System OK–
FUEL GAUGE
Fuel Gauge Inoperative, Other Gauges and Warning Lamps are OK
StepActionValue(s)YesNo
11. Connect a scan tool.
2. Check for engine control diagnostic trouble
codes (DTCs).
Is the vehicle speed sensor DTC set?–Go to
Section 1F, En-
gine ControlsGo to Step 2
21. Turn the ignition OFF.
2. Disconnect engine control module (ECM) con-
nector.
3. Remove the instrument cluster.
4. Check continuity between ECM terminal K30
(B31 ; HV–240, 40 ; SIRIUS D4) and the in-
strument cluster terminal B3.
Does the ohmmeter indicate the specified value?0 WGo to Step 4Go to Step 3
3Repair the open circuit between the instrument clus-
ter connector terminal B3 and the ECM terminal K30
(B31; HV–240, 40 ; SIRIUS D4).
Is the repair complete?–System OK–
4Replace the fuel gauge.
Is the repair complete?–System OK–

INSTRUMENTATION/DRIVER INFORMATION 9E – 11
DAEWOO V–121 BL4
TEMPERATURE GAUGE
Temperature Gauge Inoperative, Other Gauges and Warning
Lamps are OK
StepActionValue(s)YesNo
1Allow the engine to cool to room temperature.
With the ignition ON, does the temperature gauge al-
ways read at the high end of the scale?–Go to Step 7Go to Step 2
2Disconnect ECM electrical connector.
Does the temperature gauge indicator drop to the
low end of the scale?–Go to
Section 1F, En-
gine ControlsGo to Step 3
3Check for a short to ground between the ECM and
the temperature gauge.
Is there a short to ground?–Go to Step 4Go to Step 5
4Repair the short to ground.
Is the repair complete?–System OK–
5Replace the temperature gauge.
Is the repair complete?–System OK–
61. Disconnect the ECM.
2. Turn the ignition ON.
3. Check the voltage at the ECM.
Does the the voltage equal the value specified?11–14 vGo to Step 9Go to Step 7
7Check for an open circuit between the ECM and the
temperature gauge.
Is there an open circuit?–Go to Step 8Go to Step 5
8Repair the open circuit between the ECM and the
temperature gauge.
Is the repair complete?–System OK–
91. Disconnect the ECM.
2. Connect a jumper wire between the ECM con-
nector and ground.
3. Turn the ignition ON.
Does the temperature gauge move to the high end
of the scale?–Go to
Section 1F, En-
gine ControlsGo to Step 5

9E – 12IINSTRUMENTATION/DRIVER INFORMATION
DAEWOO V–121 BL4
INSTRUMENT CLUSTER INDICATOR LAMPS
Instrument Panel Indicator Lamps Do Not Operate
StepActionValue(s)YesNo
1Check fuse F4.
Is fuse F4 blown?–Go to Step 2Go to Step 3
21. Check for a short circuit and repair it, if neces-
sary.
2. Replace the blown fuse.
Is the repair complete?–System OK–
31. Turn the ignition ON.
2. Check the voltage at fuse F4.
Does the battery voltage match the value specified?11–14 vGo to Step 5Go to Step 4
4Repair the open power supply circuit to fuse F4.
Is the repair complete?–System OKGo to Step 3
51. Remove the instrument cluster.
2. Disconnect the instrument cluster connector.
3. Turn the ignition ON.
4. Check the voltage at terminal B15 and A19.
Does the battery voltage match the value specified?11–14 vGo to Step 7Go to Step 6
6Repair the open circuit between fuse F4 and the in-
strument cluster connector B15 and A19.
Is the repair complete?–System OK–
7Check the instrument cluster indicator lamp bulbs.
Are the bulbs OK?–Go to Step 9Go to Step 8
81. Replace any bulbs that are defective.
2. Check the charging system to make sure the
alternator is not overcharging.
3. Repair the charging system, if necessary.
Is the repair complete?–System OK–
9Replace the instrument cluster.
Is the repair complete?–System OK–

9E – 14IINSTRUMENTATION/DRIVER INFORMATION
DAEWOO V–121 BL4
CHIME MODULE
Seat Belt Warning Chime Inoperative
StepActionValue(s)YesNo
1Check the chime module connector to make sure it
is connected properly.
Is the connector disconnected or partially discon-
nected?–Go to Step 2Go to Step 3
2Connect the electrical connector for the chime mod-
ule.
Is the repair complete?–System OK–
3Check fuse F4.
Is fuse F4 blown?–Go to Step 4Go to Step 5
41. Check for a short circuit and repair it, if neces-
sary.
2. Replace the fuse.
Is the repair complete?–System OK–
51. Turn the ignition ON.
2. Check the voltage at fuse F4.
Is the specified voltage available at fuse F4?11–14 vGo to Step 7Go to Step 6
6Repair the power supply circuit for fuse F4.
Is the repair complete?–System OK–
71. Disconnect the chime module.
2. Turn the ignition ON.
3. Check the voltage at terminal 8 of the chime
module connector.
Does the voltage equal the specified value?11–14 vGo to Step 9Go to Step 8
8Repair the open circuit between fuse F4 and the
chime module connector.
Is the repair complete?–System OK–
9With the chime module disconnected, use an ohm-
meter to check continuity between terminal 5 of the
chime module connector and ground.
Does the ohmmeter indicate the specified value?
0 WGo to Step 11Go to Step 10
10Repair the open circuit between terminal 5 of the
chime module connector and ground.
Is the repair complete?–System OK–
111. Disconnect the chime module connector.
2. Make sure the driver’s side seat belt is unfas-
tened.
3. Use an ohmmeter to check the continuity be-
tween terminal 1 of the chime module and
ground.
Does the ohmmeter indicate the specified value?
0 WGo to Step 12Go to Step 13
12Replace the chime module.
Is the repair complete?–System OK–

INSTRUMENTATION/DRIVER INFORMATION 9E – 15
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
131. Disconnect the seat belt switch.
2. Make sure the driver’s side seat belt is unfas-
tened.
3. Use an ohmmeter to check the continuity of the
switch.
Does the ohmmeter indicate the specified value?
0 ΩGo to Step 15Go to Step 14
14Replace the seat belt switch.
Is the repair complete?–System OK–
15Use an ohmmeter to check the continuity of the wire
between terminal 1 of the chime module and the seat
belt switch.
Does the ohmmeter indicate the specified value?
0 WGo to Step 17Go to Step 16
16Repair the open circuit between terminal 1 of the
chime module and the seat belt switch.
Is the repair complete?–System OK–
17Repair the open circuit between the seat belt switch
connector and ground.
Is the repair complete?–System OK–
Door–Open Warning Chime Inoperative
StepActionValue(s)YesNo
1Check the chime module connector to make sure it
is connected properly.
Is the connector disconnected or partially discon-
nected?–Go to Step 2Go to Step 3
2Connect the electrical connector for the chime mod-
ule.
Is the repair complete?–System OK–
3Check fuse F4.
Is fuse F4 blown?–Go to Step 4Go to Step 5
41. Check for a short circuit and repair it, if neces-
sary.
2. Replace the fuse.
Is the repair complete?–System OK–
51. Turn the ignition ON.
2. Check the voltage at fuse F4.
Is the specified voltage available at fuse F4?11–14 vGo to Step 7Go to Step 6
6Repair the power supply circuit for fuse F4.
Is the repair complete?–System OK–
71. Disconnect the chime module.
2. Turn the ignition ON.
3. Check the voltage at terminal 8 of the chime
module connector.
Does the voltage equal the specified value?11–14 vGo to Step 9Go to Step 8
8Repair the open circuit between fuse F4 and the
chime module connector.
Is the repair complete?–System OK–