2004 DAEWOO LACETTI Lamp

5A2 – 38IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC P0562 System Voltage Low
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. Turn the ignition ON, with the engine OFF.
4. Run the engine to 600 rpm or greater.
5. Record then clear DTC(s).
6. Select system voltage on the scan tool.
7. Drive the vehicle and observe the scan tool for
either of the flowing conditions:
Is the voltage within the values shown?9–16vGo to Step 4Go to Step 2
21. Disconnect the battery cable.
2. Measure the battery voltage.
Is the voltage within the values shown?9–16vGo to Step 4Go to Step 3
31. Replace the battery.
Is the replacement completed?–System OK–
41. Turn the headlamp ON.
2. Turn the air conditioner ON.
3. Run the engine to 600 rpm or greater.
4. Observe the scan tool for system voltage.
Is the voltage within the values shown?9–16vGo to Step 6Go to Step 5
51. Turn the ignition LOCK.
2. Repair the alternator circuit if necessary.
Is the action completed?–System OK–
6Inspect the EF1,F2 fuse for an open.
Was a problem found?–Go to Step 7Go to Step 8
7Inspect the EF1,F2 fuse for short. Replace the fuse
if necessary.
Is the replacement complete?–System OK–
81. Turn the ignition ON.
2. Measure the voltage of EF1, F2.
Is the voltage within the values shown?9–16vGo to Step 10Go to Step 9
9Repair the fuse voltage supply lines for open.
Is the action completed?–System OK–
101. Turn the ignition LOCK.
2. Disconnect the TCM wiring connector.
3. Measure the resistance between EF1 fuse and
terminal A24 of the TCM wiring connector.
Is the resistance within the values shown?0ΩGo to Step 12Go to Step 11
11Repair the circuit (between EF1 and terminal A24)
for short to ground and open.
Is the repair completed?–System OK–
121. Disconnect the C105 connector and TCM con-
nector.
2. Turn the ignition ON.
3. Measure the voltage of the terminal A24.
Is the voltage within the values shown?9–16vGo to Step 13Go to Step 14
13Repair the circuit from EF1 to terminal A24 of the
TCM for short to battery.
Is the repair completed?–System OK–

AISIN AUTOMATIC TRANSAXLE 5A2 – 41
DAEWOO V–121 BL4
DTC P0563 System Voltage High
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. Turn the ignition ON, with the engine OFF.
4. Run the engine to 600 rpm or greater.
5. Record then clear DTC(s).
6. Select system voltage on the scan tool.
7. Drive the vehicle and observe the scan tool for
either of the flowing conditions:
Is the voltage within the values shown?9–16vGo to Step 4Go to Step 2
21. Disconnect the battery cable.
2. Measure the battery voltage.
Is the voltage within the values shown?9–16vGo to Step 4Go to Step 3
31. Replace the battery.
Is the replacement completed?–System OK–
41. Turn the headlamp ON.
2. Turn the air conditioner ON.
3. Run the engine to 600 rpm or greater.
4. Observe the scan tool for system voltage.
Is the voltage within the values shown?9–16vGo to Step 6Go to Step 5
51. Turn the ignition LOCK.
2. Repair the alternator circuit if necessary.
Is the action completed?–System OK–
6Inspect the EF1,F2 fuse for an open.
Was a problem found?–Go to Step 7Go to Step 8
7Inspect the EF1,F2 fuse for short. Replace the fuse
if necessary.
Is the replacement complete?–System OK–
81. Turn the ignition ON.
2. Measure the voltage of EF1,F2.
Is the voltage within the values shown?9–16vGo to Step 10Go to Step 9
9Repair the fuse voltage supply lines for open.
Is the action completed?–System OK–
101. Turn the ignition LOCK.
2. Disconnect the TCM wiring connector.
3. Measure the resistance between EF1 fuse and
terminal A24 of the TCM wiring connector.
Is the resistance within the values shown?0ΩGo to Step 12Go to Step 11
11Repair the circuit (between EF1 and terminal A24)
for short to ground and open.
Is the repair completed?–System OK–
121. Disconnect the C105 connector and TCM con-
nector.
2. Turn the ignition ON.
3. Measure the voltage of the terminal A24.
Is the voltage within the values shown?9–16vGo to Step 13Go to Step 14
13Repair the circuit from EF1 to terminal A24 of the
TCM for short to battery.
Is the repair completed?–System OK–

5A2 – 44IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC P0601 Internal Control Module Memory Checksum Error
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. With the engine OFF, turn the ignition switch to
the ON position.
4. Select Store Freeze Frame/Failure Records
from the Diagnostic Trouble Codes Information
menu.
5. Store Freeze Frame/Failure Records.
6. Select Clear DTC Information from the Diag-
nostic Trouble Codes Information menu.
7. Clear DTC Information.
8. Perform one vehicle drive cycle.
Is the Malfunction Indicator Lamp (MIL) ON?–Go to Step 2Inspect Trans-
mission Control
Module (TCM)
wiring harness
and connector
for signs of an
intermittent
condition. Re-
pair as neces-
sary.
21. Select Request DTC by Status from the Diag-
nostic Trouble Codes Information menu.
2. Request DTC by Status.
Is DTC P0601 displayed?–Replace the
Transmission
Control Module
(TCM)Inspect Trans-
mission Control
Module (TCM)
wiring harness
and connector
for signs of an
intermittent
condition. Re-
pair as neces-
sary.

5A2 – 46IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC P0604 Internal Transmission Control Module (TCM) Random
Access Memory (RAM) Error
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. With the engine OFF, turn the ignition switch to
the ON position.
4. Select Store Freeze Frame/Failure Records
from the Diagnostic Trouble Codes Information
menu.
5. Store Freeze Frame/Failure Records.
6. Select Clear DTC Information from the Diag-
nostic Trouble Codes Information menu.
7. Clear DTC Information.
8. Perform two vehicle drive cycles.
Is the Malfunction Indicator Lamp (MIL) ON?–Go to Step 2Inspect Trans-
mission Control
Module (TCM)
wiring harness
and connector
for signs of an
intermittent
condition. Re-
pair as neces-
sary.
21. Select Request DTC by Status from the Diag-
nostic Trouble Codes Information menu.
2. Request DTC by Status.
Is DTC P0604 displayed?–Replace the
Transmission
Control module
(TCM)Inspect Trans-
mission Control
Module (TCM)
wiring harness
and connector
for signs of an
intermittent
condition. Re-
pair as neces-
sary.

5A2 – 48IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC P0705 Transmission Range (TR) Switch Circuit Malfunction
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. With the engine OFF, turn the ignition switch to
the ON position.
4. Select Store Freeze Frame/Failure Records
from the Diagnostic Trouble Codes Information
menu.
5. Store Freeze Frame/Failure Records.
6. Select Clear DTC Information from the Diag-
nostic Trouble Codes Information menu.
7. Clear DTC Information.
8. Perform two vehicle drive cycles.
Is the Malfunction Indicator Lamp (MIL) ON?–Go to Step 2Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector In-
spection” in this
section.)
21. Select Request DTC by Status from the Diag-
nostic Trouble Codes Information menu.
2. Request DTC by Status.
Is DTC P0705 displayed?–Go to Step 3Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector In-
spection” in this
section.)
31. Turn the ignition OFF.
2. Inspect the continuity between the vehicle har-
ness and the Transmission Range (TR) Switch.
3. Disconnect the TCM connector (X–1) of the
vehicle harness and inspect the continuity for
the each terminal according to the position of
the select lever.
P : B20
R : B1
N : B8
D : B7
2 : B19
1 : B18
Does the inspection OK?–Go to Step 4Go to Step 5
41. Estimate the failure of between the vehicle wir-
ing harness connector and TCM.
2. Inspect the connector. Refer to ”Wiring Har-
ness and Connector Inspection” in this section.
3. Inspect the connection condition between the
TCM connectors (C–1).
Is the connection condition OK?–Go to Step 6Repair the wir-
ing harness
connectors.
51. Estimate the failure of between the vehicle har-
ness and TR switch.
2. Disconnect the connector (X–2) of the vehicle
harness and inspect the continuity between the
terminals. Refer to ”Wiring Harness and Con-
nector Inspection” in this section.
Is the condition of TR switch OK?–Go to Step 7Replace the TR
switch.

AISIN AUTOMATIC TRANSAXLE 5A2 – 51
DAEWOO V–121 BL4
DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit
Low Input
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. With the engine OFF, turn the ignition switch to
the ON position.
4. Select Store Freeze Frame/Failure Records
from the Diagnostic Trouble Codes Information
menu.
5. Store Freeze Frame/Failure Records.
6. Select Clear DTC Information from the Diag-
nostic Trouble Codes Information menu.
7. Clear DTC Information.
8. Perform one vehicle drive cycle.
Is the Malfunction Indicator Lamp (MIL) ON?–Go to Step 2Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector In-
spection” in this
section.)
21. Select Request DTC by Status from the Diag-
nostic Trouble Codes Information menu.
2. Request DTC by Status.
Is DTC P0712 displayed?–Go to Step 3Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector In-
spection” in this
section.)
31. Turn the ignition OFF.
2. Inspect the resistance between the vehicle har-
ness and Transmission Fluid Temperature
(TFT) sensor. Refer to ”Unit Inspection” in this
section.
3. Disconnect the TCM connector (X–1) and in-
spect the resistance between the terminal A11
and A12.
Is the measurement within the specified value?10°C (50°F):
5.80–7.09 kW
11 0°C (230°F):
0.231–0.263
kWGo to Step 4Go to Step 5
41. Estimate the failure of between the vehicle wir-
ing harness connector and TCM.
2. Inspect the connector. Refer to ”Wiring Har-
ness and Connector Inspection” in this section.
3. Inspect the connection condition between the
connectors (C–1).
Is the connection condition OK?–Go to Step 6Repair the wir-
ing harness
connectors.
51. Estimate the failure of between the vehicle har-
ness and TFT sensor.
2. Disconnect the connector (X–3) of T/M wire
and inspect the resistance between TFT sen-
sor connector terminal 1 and 6.
Is the measurement within the specified value?10°C (50°F):
5.80–7.09 kW
11 0°C (230°F):
0.231–0.263
kWGo to Step 7Go to Step 8

5A2 – 54IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit
High Input
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. With the engine OFF, turn the ignition switch to
the ON position.
4. Select Store Freeze Frame/Failure Records
from the Diagnostic Trouble Codes Information
menu.
5. Store Freeze Frame/Failure Records.
6. Select Clear DTC Information from the Diag-
nostic Trouble Codes Information menu.
7. Clear DTC Information.
8. Perform one vehicle drive cycle.
Is the Malfunction Indicator Lamp (MIL) ON?–Go to Step 2Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector In-
spection” in this
section.)
21. Select Request DTC by Status from the Diag-
nostic Trouble Codes Information menu.
2. Request DTC by Status.
Is DTC P0713 displayed?–Go to Step 3Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector In-
spection” in this
section.)
31. Turn the ignition OFF.
2. Inspect the resistance between the vehicle har-
ness and Transmission Fluid Temperature
(TFT) sensor. Refer to ”Unit Inspection” in this
section.
3. Disconnect the TCM connector (X–1) and in-
spect the resistance between the terminal A11
and A12.
Is the measurement within the specified value?10°C (50°F):
5.80–7.09 kW
11 0°C (230°F):
0.231–0.263
kWGo to Step 4Go to Step 5
41. Estimate the failure of between the vehicle wir-
ing harness connector and TCM.
2. Inspect the connector. Refer to ”Wiring Har-
ness and Connector Inspection” in this section.
3. Inspect the connection condition between the
connectors (C–1).
Is the connection condition OK?–Go to Step 6Repair the wir-
ing harness
connectors.
51. Estimate the failure of between the vehicle har-
ness and TFT sensor.
2. Disconnect the connector (X–3) of T/M wire
and inspect the resistance between TFT sen-
sor connector terminal 1 and 6.
Is the measurement within the specified value?10°C (50°F):
5.80–7.09 kW
11 0°C (230°F):
0.231–0.263
kWGo to Step 7Go to Step 8

AISIN AUTOMATIC TRANSAXLE 5A2 – 57
DAEWOO V–121 BL4
DTC P0717 Input Shaft Speed (ISS) Sensor Circuit No Signal
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. With the engine OFF, turn the ignition switch to
the ON position.
4. Select Store Freeze Frame/Failure Records
from the Diagnostic Trouble Codes Information
menu.
5. Store Freeze Frame/Failure Records.
6. Select Clear DTC Information from the Diag-
nostic Trouble Codes Information menu.
7. Clear DTC Information.
8. Perform one vehicle drive cycle.
Is the Malfunction Indicator Lamp (MIL) ON?–Go to Step 2Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector” in
this section.)
21. Select Request DTC by Status from the Diag-
nostic Trouble Codes Information menu.
2. Request DTC by Status.
Is DTC P0717 displayed?–Go to Step 3Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector” in
this section.)
31. Turn the ignition OFF.
2. Inspect the resistance between the vehicle har-
ness and Input Shaft Speed (ISS) sensor. Re-
fer to”Unit Inspection” in this section.
3. Disconnect the TCM connector (X–1) and in-
spect the resistance between the terminal B6
and B16.
Is the measurement within the specified value?20°C (68°F):
560–680 WGo to Step 4Go to Step 5
41. Estimate the failure of between the vehicle wir-
ing harness connector and TCM.
2. Inspect the connector. Refer to ”Wiring Har-
ness and Connector Inspection” in this section.
3. Inspect the connection condition between the
connectors (C–1).
Is the connection condition OK?–Go to Step 6Repair the wir-
ing harness
connectors.
51. Estimate the failure of T/M wire or between the
connectors of ISS sensor.
2. Disconnect the ISS sensor connector (X–5)
and inspect the resistance between terminals 1
and 2.
Is the measurement within the specified value?20°C (68°F):
560–680WGo to Step 7Replace the
ISS sensor