2004 DAEWOO NUBIRA Service Repair Manual

warning lights tailgate maintenance reset coolant reservoir oil filter air filter

Page 1681 of 2643

DAEWOO NUBIRA 2004 Service Repair Manual AISIN AUTOMATIC TRANSAXLE 5A2 – 91
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P1791
THROTTLE POSITION SIGNAL ERROR
Conditions for Setting the DTC
S TCM detects that malfunction of throttle

Page 1682 of 2643

DAEWOO NUBIRA 2004 Service Repair Manual 5A2 – 92IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC 1791 Throttle Position Signal Error
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. With the engine OFF,

5A2 – 92IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC 1791 Throttle Position Signal 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 2Repair the tem-
porary connec-
tion failure of
connector.
21. Select Request DTC by Status from the Diag-
nostic Trouble Codes Information menu.
2. Request DTC by Status.
Is DTC P1791 displayed?–Go to Step 3Repair the tem-
porary connec-
tion failure of
connector.
31. Turn the ignition OFF.
2. Disconnect the TCM wiring connector and
ECM wiring connector.
3. Measure the resistance between terminal A17
of the TCM wiring connector and terminal 88 of
the ECM wiring connector.
4. Measure the resistance between terminal A7 of
the TCM wiring connector and terminal 57 of
the ECM wiring connector.
Is the resistance within the values shown?0 WGo to Step 5Go to Step 4
4Repair the malfunctioning terminals as necessary.
Is the action complete?–System OK–
51. Turn the ignition ON.
2. Measure the voltage of terminal A17.
3. Measure the voltage of terminal A7.
Is the voltage within the values shown?11–14 vGo to Step 6Go to Step 7
6Repair the malfunctioning terminals as necessary.
Is the action complete?–System OK–
71. Replace the TCM.
2. Turn the ignition OFF.
3. Turn the ignition ON.
4. Check if P1791 DTC is set.
Is the DTC set?–Go to Step 8Go to Step 9
8Replace the ECM.
Is the action complete?–Go to Step 9–
91. After the repair, use a scan tool ”clear info”
function and road test the vehicle.
2. Review the ”DTC info”.
Has the last test failed or is the current DTC dis-
played?–Begin diagno-
sis againRepair verified
exit DTC chart

Page 1683 of 2643

DAEWOO NUBIRA 2004 Service Repair Manual AISIN AUTOMATIC TRANSAXLE 5A2 – 93
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P1792
ENGINE COOLANT TEMPERATURE (ECT) SIGNAL
ERROR
Conditions for Setting the DTC
S TCM detects malfunction of

Page 1684 of 2643

DAEWOO NUBIRA 2004 Service Repair Manual 5A2 – 94IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC P1792 Engine Coolant Temperature (ECT) Signal Error
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. With

Page 1685 of 2643

DAEWOO NUBIRA 2004 Service Repair Manual AISIN AUTOMATIC TRANSAXLE 5A2 – 95
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) U2105
CAN ERROR
Conditions for Setting the DTC
S TCM detects that the BUS OFF signal. This detec-
tion is conti

Page 1686 of 2643

DAEWOO NUBIRA 2004 Service Repair Manual 5A2 – 96IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC U2105 CAN Error
StepActionValue(s)YesNo
11. Turn the ignition OFF.
2. Install the Scan tool.
3. With the engine OFF, turn the ignition sw

5A2 – 96IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC U2105 CAN 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 2Repair the tem-
porary connec-
tion failure of
connector.
21. Select Request DTC by Status from the Diag-
nostic Trouble Codes Information menu.
2. Request DTC by Status.
Is DTC U2105 displayed?–Go to Step 3Repair the tem-
porary connec-
tion failure of
connector.
31. Turn the ignition OFF.
2. Disconnect the TCM wiring connector and
ECM wiring connector.
3. Measure the resistance between terminal A17
of the TCM wiring connector and terminal 88 of
the ECM wiring connector.
4. Measure the resistance between terminal A7 of
the TCM wiring connector and terminal 57 of
the ECM wiring connector.
Is the resistance within the values shown?0 WGo to Step 5Go to Step 4
4Repair the malfunctioning terminals as necessary.
Is the action complete?–System OK–
51. Turn the ignition ON.
2. Measure the voltage of terminal A17.
3. Measure the voltage of terminal A7.
Is the voltage within the values shown?11–14 vGo to Step 6Go to Step 7
6Repair the malfunctioning terminals as necessary.
Is the action complete?–System OK–
71. Replace the TCM.
2. Turn the ignition OFF.
3. Turn the ignition ON.
4. Check if U2105 DTC is set.
Is the DTC set?–Go to Step 8Go to Step 9
8Replace the ECM.
Is the action complete?–Go to Step 9–
91. After the repair, use a scan tool ”clear info”
function and road test the vehicle.
2. Review the ”DTC info”.
Has the last test failed or is the current DTC dis-
played?–Begin diagno-
sis againRepair verified
exit DTC chart

Page 1687 of 2643

DAEWOO NUBIRA 2004 Service Repair Manual AISIN AUTOMATIC TRANSAXLE 5A2 – 97
DAEWOO V–121 BL4
MAINTENANCE AND REPAIR
ON–VEHICLE SERVICE
TRANSAXLE FLUID LEVEL
CHECKING PROCEDURE
Notice : Check the fluid level when the transaxle tempera-

Page 1688 of 2643

DAEWOO NUBIRA 2004 Service Repair Manual 5A2 – 98IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Filling Procedure
1. Remove the drainage container and lower the ve-
hicle.
2. Add three–fourths of the recommended amount of
ISU DEXRON III

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