2004 DAEWOO NUBIRA section 9G

AISIN AUTOMATIC TRANSAXLE 5A2 – 71
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
71. Estimate the failure of the vehicle wiring har-
ness or between connectors.
2. Inspect continuity and short circuit for the ve-
hicle wiring harness and inspect the connection
condition between connectors (C–3). Refer to
”Wiring Harness and Connector Inspection” in
this section.
Is the condition OK?–Repair the tem-
porary connec-
tion failure of
connectorReplace the ve-
hicle harness
or adjustment
between con-
nectors
81. Estimate the failure of T/M wire or between
connectors of lockup solenoid.
2. Inspect the lockup solenoid. Refer to ”Unit In-
spection” in this section.
Is the problem found?–Replace the
lockup solenoidGo to Step 9
91. Estimate the failure of T/M wire.
Inspect continuity and short circuit for the T/M wire
and inspect the connection condition between con-
nectors (C–6). Refer to ”Wiring Harness and Con-
nector Inspection” in this section.
Is the condition OK?–Repair the tem-
porary connec-
tion failure of
connectorReplace the
T/M wire or ad-
justment be-
tween connec-
tors

AISIN AUTOMATIC TRANSAXLE 5A2 – 73
DAEWOO V–121 BL4
DTC P0748 Pressure Control Solenoid (PCS) Electrical
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 P0748 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 Pressure Control Solenoid (PCS).
Refer to ”Unit Inspection” in this section.
3. Disconnect the TCM connector (X–1) and in-
spect the resistance between the terminal A4
and A2.
Is the measurement within the specified value?20°C (68°F)
5.0–5.6 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” 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 PCS.
2. Disconnect the connector (X–3) of T/M wire
and inspect the resistance between PCS con-
nector terminal 3 and 8.
Is the measurement within the specified value?20°C (68°F)
5.0–5.6 WGo to Step 7Go to Step 8
61. Replace the master TCM.
2. Perform the reproducing test under user condi-
tion after confirming no DTC.
Is DTC displayed?–Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector” in
this section.)Replace the
TCM

5A2 – 74IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
71. Estimate the failure of the vehicle wiring har-
ness or between connectors.
2. Inspect continuity and short circuit for the ve-
hicle wiring harness and inspect the connection
condition between connectors (C–3). Refer to
”Wiring Harness and Connector” in this section.
Is the condition OK?–Repair the tem-
porary connec-
tion failure of
connectorReplace the ve-
hicle harness
or adjustment
between con-
nectors
81. Estimate the failure of T/M wire or between
connectors of PCS.
2. Inspect the PCS. Refer to ”Unit Inspection” in
this section.
Is the problem found?–Replace the
valve body as-
sembly.(No re-
placement PCS
by itself)Go to Step 9
91. Estimate the failure of T/M wire.
Inspect continuity and short circuit for the T/M wire
and inspect the connection condition between con-
nectors (C–6). Refer to ”Wiring Harness and Con-
nector” in this section.
Is the condition OK?–Repair the tem-
porary connec-
tion failure of
connectorReplace the
T/M wire or ad-
justment be-
tween connec-
tors

5A2 – 76IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC P0751 Shift Solenoid 1 (SS1) Stuck Off
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
this section.)
21. Select Request DTC by Status from the Diag-
nostic Trouble Codes Information menu.
2. Request DTC by Status.
Is DTC P0751 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. Replace the master TCM and perform simula-
tion test again under user condition.
Is DTC P0751 reappeared?–Go to Step 4Replace the
TCM.
41. Estimate the failure of Shift Solenoid 1 or inter-
nal valve body.
2. Inspect the SS1. Refer to ”Unit Inspection” in
this section.
Is the condition of SS1 OK?–Replace the
valve body as-
sembly.Replace Shift
Solenoid 1
(SS1).

5A2 – 78IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Cause of Failure
S Wiring harness or connector between Shift Sole-noid 1 (SS1) and TCM
S SS1
S TCM
DTC P0753 Shift Solenoid 1 (SS1) Electrical
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 P0753 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 Shift Solenoid 1 (SS1). Refer to ”Unit
Inspection” in this section.
3. Disconnect the TCM connector (X–1) and in-
spect the resistance between the terminal A16
and A23.
Is the measurement within the specified value?20°C (68°F)
11–16 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 between the vehicle har-
ness and SS1.
2. Disconnect the connector (X–3) of T/M wire
and inspect the resistance between SS1 con-
nector terminal 5 and ground.
Is the measurement within the specified value?20°C (68°F)
11–16 WGo to Step 7Go to Step 8

AISIN AUTOMATIC TRANSAXLE 5A2 – 79
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
61. Replace the master TCM.
2. Perform the reproducing test under user condi-
tion after confirming no DTC.
Is DTC displayed?–Repair the tem-
porary connec-
tion failure of
connector (Re-
fer to ”Wiring
Harness and
Connector In-
spection” in this
section.)Replace the
TCM
71. Estimate the failure of the vehicle wiring har-
ness or between connectors.
2. Inspect continuity and short circuit for the ve-
hicle wiring harness and inspect the connection
condition between connectors (C–3). Refer to
”Wiring Harness and Connector Inspection” in
this section.
Is the condition OK?–Repair the tem-
porary connec-
tion failure of
connectorReplace the ve-
hicle harness
or adjustment
between con-
nectors
81. Estimate the failure of T/M wire or between
connectors of SS1.
2. Inspect the SS1. Refer to ”Unit Inspection” in
this section.
Is the problem found?–Replace the
SS1 solenoidGo to Step 9
91. Estimate the failure of T/M wire.
3. Inspect continuity and short circuit for the T/M
wire and inspect the connection condition be-
tween connectors (C–6). Refer to ”Wiring Har-
ness and Connector Inspection” in this section.
Is the condition OK?–Repair the tem-
porary connec-
tion failure of
connectorReplace the
T/M wire or ad-
justment be-
tween connec-
tors

AISIN AUTOMATIC TRANSAXLE 5A2 – 81
DAEWOO V–121 BL4
DTC P0756 Shift Solenoid 2 (SS2) Stuck Off
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 P0756 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. Replace the master TCM and perform simula-
tion test again under user condition.
Is DTC P0756 reappeared?–Go to Step 4Replace the
TCM.
41. Estimate the failure of Shift Solenoid 2 or inter-
nal valve body.
2. Inspect the SS2. Refer to ”Unit Inspection” in
this section.
Is the condition of SS2 OK?–Replace the
valve body as-
sembly.Replace Shift
Solenoid 2
(SS2).

AISIN AUTOMATIC TRANSAXLE 5A2 – 83
DAEWOO V–121 BL4
Cause of Failure
S Wiring harness or connector between Shift Sole-noid 2 (SS2) and TCM
S SS2
S TCM
DTC P0758 Shift Solenoid 2 (SS2) Electrical
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 P0758 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 Shift Solenoid 2 (SS2). Refer to ”Unit
Inspection” in this section.
3. Disconnect the TCM connector (X–1) and in-
spect the resistance between the terminal A15
and A23.
Is the measurement within the specified value?20°C (68°F)
11–16 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 between the vehicle har-
ness and SS2.
2. Disconnect the connector (X–3) of T/M wire
and inspect the resistance between SS2 con-
nector terminal 10 and ground.
Is the measurement within the specified value?20°C (68°F)
11–16 WGo to Step 7Go to Step 8