2004 DAEWOO LACETTI Gear

AISIN AUTOMATIC TRANSAXLE 5A2 – 53
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0713
TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR
CIRCUIT HIGH INPUT
Conditions for Setting the DTC
S TCM detects that A/D value of Transmission Fluid
Temperature sensor (TFT) signal is less than 15
and the minimum A/D value is more than 943,
when it is past 15 minutes after ignition ON.(A/D
value 943 : 4.7 v)
S After 1 time of above detection.
S Gear selector position is except P and N.
S Engine revolution is 400 rpm or greater.
Action Taken When the DTC Sets
S TCM will request the illumination of MIL and store
DTC when TCM detects a failure on the first ignition
cycle.
S TCM judges the temperature of the transmission
fluid is 200°C (392°F).
S No lockup control
S No 4th gear
S No self–learning controlS No timing solenoid control N–D
Conditions for Clearing the DTC
S The TCM turns off the MIL when no further failures
detected for three consecutive ignition cycles.
S The scan tool can clear the DTC from the TCM his-
tory.
S The TCM clears the DTC from the TCM history
memory after forty consecutive warm up cycles
without fault.
S TCM detects the temperature of the transmission
fluid is between 0°C (32°F) and 150°C (302°F) for
10 seconds continuously.
Cause of Failure
S Wiring harness or connector between Transmission
Fluid Temperature (TFT) sensor and TCM
S TFT sensor
S TCM

5A2 – 56IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0717
INPUT SHAFT SPEED (ISS) SENSOR CIRCUIT NO
SIGNAL
Conditions for Setting the DTC
S This DTC detects no signal of Input Shaft Speed
(ISS) sensor circuit for a long period of time. ( Rev-
olution : 0 rpm
10000 rpm).
S TCM detects no pulse of ISS sensor while TCM
detects 4 pulses of Output Speed Sensor. This
detection 1000 times continuously.
S D,2,L range selected
S Engine revolution is 400 rpm or greater.
S DTCs P0751, P0753, P0756, P0758, and P0705
are not set.
S Output revolution is 775 rpm or greater.
S 25 seconds later after Neutral to Drive shift.
S 10 seconds later after changing the gear.
Action Taken When the DTC Sets
S TCM will request the illumination of MIL and store
DTC when TCM detects a failure on the first ignition
cycle.
S No lockup control
S No engine torque reduction controlS No engagement pressure control
S No 4th gear
S No self–learning control
S No timing solenoid control N–D
Conditions for Clearing the DTC
S The TCM turns off the MIL when no further failures
detected for three consecutive ignition cycles.
S The scan tool can clear the DTC from the TCM his-
tory.
S The TCM clears the DTC from the TCM history
memory after forty consecutive warm up cycles
without fault.
S TCM detects 250 pulses of ISS while failure detec-
tion is not achieved.
Cause of Failure
S Wiring harness or connector between Input Shaft
Speed (ISS) sensor and TCM
S ISS sensor
S TCM

AISIN AUTOMATIC TRANSAXLE 5A2 – 59
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0722
OUPUT SHAFT SPEED (OSS) SENSOR CIRCUIT NO
SIGNAL
Conditions for Setting the DTC
S This DTC detects no signal of Output Shaft Speed
(OSS) sensor circuit for a long period of time. (
Revolution : 0 rpm
10000 rpm).
S TCM detects no pulse of Output Shaft Speed
(OSS) sensor while TCM detects 178 pulses of In-
put Shaft Speed sensor. This detection 500 times
continuously.
S D,2,L range selected
S Input speed is 5 km/h (3 mph) or greater.
S DTCs P0751, P0753, P0756, P0758, P0717 and
P0705 are not set.
S 25 seconds later after Neutral to Drive shift.
Action Taken When the DTC Sets
S TCM will request the illumination of MIL and store
DTC when TCM detects a failure on the first ignition
cycle.
S No lockup control
S No engine torque reduction control
S No engagement pressure controlS No 4th gear
S No self–learning control
S No prevent reverse gear control
Conditions for Clearing the DTC
S The TCM turns off the MIL when no further failures
detected for three consecutive ignition cycles.
S The scan tool can clear the DTC from the TCM his-
tory.
S The TCM clears the DTC from the TCM history
memory after forty consecutive warm up cycles
without fault.
S TCM detects 250 pulses of Output Shaft Speed
(OSS) sensor while failure detection is not
achieved.
Cause of Failure
S Wiring harness or connector between Output Shaft
Speed (OSS) sensor and TCM
S OSS sensor
S TCM

5A2 – 62IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0727
ENGINE SPEED INPUT CIRCUIT NO SIGNAL
Conditions for Setting the DTC
S TCM detects that malfunction of engine speed sig-
nal for 2 seconds.
S No DTCs U2105
Action Taken When the DTC Sets
S TCM will request the illumination of MIL and store
DTC when TCM detects a failure on the first ignition
cycle.
S No engine torque reduction control
S No lock–up
S No engagement pressure control
S No 4th gear
S No self–learning control
S No timing solenoid control for N–DS TCM judges the engine revolution is 0 rpm.
Conditions for Clearing the DTC
S The TCM turns off the MIL when no further failures
detected for three consecutive ignition cycles.
S The scan tool can clear the DTC from the TCM his-
tory.
S The TCM clears the DTC from the TCM history
memory after forty consecutive warm up cycles
without fault.
Cause of Failure
S Wiring harness or connector between ECM and
TCM
S ECM
S TCM

AISIN AUTOMATIC TRANSAXLE 5A2 – 69
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0743
TORQUE CONVERTER CLUTCH (TCC) ELECTRICAL
Conditions for Setting the DTC
S TCM detects that the ON signal of the lockup sole-
noid monitor during 0.5 seconds when lockup sole-
noid driver outputs the OFF signal.(When the TCC
circuit is open or short to battery).
S The above detection 2 times at shifting continuous-
ly.(When the Tcc circuit is open or short to battery).
S TCM detects that the OFF signal of the lockup sole-
noid monitor during 0.3 seconds when lockup sole-
noid driver outputs the ON signal.(When the TCC
circuit is short to ground).
S The above detection 1 time at shifting continuous-
ly.(When the TCC circuit is short to ground).
Action Taken When the DTC Sets
S TCM will request the illumination of MIL and store
DTC when TCM detects failures on two consecu-
tive ignition cycles.
S No TCC lockup solenoid
S 1st gear fixed under the 10km/hConditions for Clearing the DTC
S The TCM turns off the MIL when no further failures
detected for three consecutive ignition cycles.
S The scan tool can clear the DTC from the TCM his-
tory.
S The TCM clears the DTC from the TCM history
memory after forty consecutive warm up cycles
without fault.
S TCM detects the ON signal of the lockup solenoid
monitor during 160 ms when lockup solenoid driver
outputs the ON signal and TCM detects the OFF
signal of the lockup solenoid monitor during 160 ms
when lockup solenoid driver outputs the OFF sig-
nal.
Cause of Failure
S Wiring harness or connector between lockup sole-
noid and TCM
S Lockup solenoid
S TCM

5A2 – 72IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0748
PRESSURE CONTROL SOLENOID (PCS) ELECTRICAL
Conditions for Setting the DTC
S TCM detects that the feed back voltage is greater
than 4.9 volts and detects the detection 500 milli-
seconds continuously.(When the PCS circuit is
short to battery).
S TCM detects that the feed back voltage is less than
70.mV for 70 milliseconds and detects the 12.5
seconds continuously.(When the PCS circuit is
short to ground or open).
Action Taken When the DTC Sets
S TCM will request the illumination of MIL and store
DTC when TCM detects a failure on the first ignition
cycle.
S No lockup control
S No engine torque reduction control
S No engagement pressure control
S No 4th gearS No self–learning control
S After failure decision : emergency mode
Conditions for Clearing the DTC
S The TCM turns off the MIL when no further failures
detected for three consecutive ignition cycles.
S The scan tool can clear the DTC from the TCM his-
tory.
S The TCM clears the DTC from the TCM history
memory after forty consecutive warm up cycles
without fault.
S TCM detects the feed back voltage is between
70mV and 4.9 v for 12.5 seconds continuously.
Cause of Failure
S Wiring harness or connector between Pressure
Control Solenoid (PCS) and TCM
S PCS
S TCM

AISIN AUTOMATIC TRANSAXLE 5A2 – 77
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0753
SHIFT SOLENOID 1 (SS1) ELECTRICAL
Conditions for Setting the DTC
S TCM detects that the ON signal of the Shift Sole-
noid 1 (SS1) monitor during 0.5 seconds when SS1
driver outputs the OFF signal.(When the SS1 circuit
is open or short to battery).
S TCM detects that the OFF signal of the Shift Sole-
noid 1 (SS1) monitor during 0.3 seconds when SS1
driver outputs the ON signal.(When the SS1 circuit
is short to ground).
S The above detection 2 times at shifting continuous-
ly.
Action Taken When the DTC Sets
S TCM will request the illumination of MIL and store
DTC when TCM detects a failure on the first ignition
cycle.
S No lockup control
S No engine torque reduction control
S No engagement pressure control
S No timing solenoid control for N–D
S No self–learning control
S After failure decision : emergency modeTCM Shifting Pattern (Range : D)
Normal
SS1 FAIL
GearSS1SS2GearSS1SS2
1 stONON3 rdFAILOFF
2 ndONOFF3 rdFAILOFF
3 rdOFFOFF3 rdFAILOFF
4 thOFFON4 thFAILON
Conditions for Clearing the DTC
S The TCM turns off the MIL when no further failures
detected for three consecutive ignition cycles.
S The scan tool can clear the DTC from the TCM his-
tory.
S The TCM clears the DTC from the TCM history
memory after forty consecutive warm up cycles
without fault.
S TCM detects the ON signal of the SS1 monitor dur-
ing 160 ms when SS1 driver outputs the ON signal
and TCM detects the OFF signal of the SS1 moni-
tor during 160 ms when SS1 driver outputs the
OFF signal.

5A2 – 82IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P0758
SHIFT SOLENOID 2 (SS2) ELECTRICAL
Conditions for Setting the DTC
S TCM detects that the ON signal of the Shift Sole-
noid 2 (SS2) monitor during 0.5 seconds when SS2
driver outputs the OFF signal.(When the SS2 circuit
is open or short to battery).
S TCM detects that the OFF signal of the Shift Sole-
noid 2 (SS2) monitor during 0.3 seconds when SS2
driver outputs the ON signal.(When the SS2 circuit
is short to ground).
S The above detection 2 times at shifting continuous-
ly.
Action Taken When the DTC Sets
S TCM will request the illumination of MIL and store
DTC when TCM detects a failure on the first ignition
cycle.
S No lockup control
S No engine torque reduction control
S No engagement pressure control
S No timing solenoid control for N–D
S No self–learning control
S After failure decision : emergency modeTCM Shifting Pattern (Range : D)
Normal
SS2 FAIL
GearSS1SS2GearSS1SS2
1 stONON2 ndONFAIL
2 ndONOFF2 ndONFAIL
3 rdOFFOFF3 rdOFFFAIL
4 thOFFON3 rdOFFFAIL
Conditions for Clearing the DTC
S The TCM turns off the MIL when no further failures
detected for three consecutive ignition cycles.
S The scan tool can clear the DTC from the TCM his-
tory.
S The TCM clears the DTC from the TCM history
memory after forty consecutive warm up cycles
without fault.
S TCM detects the ON signal of the SS2 monitor dur-
ing 160 ms when SS2 driver outputs the ON signal
and TCM detects the OFF signal of the SS2 moni-
tor during 160 ms when SS2 driver outputs the
OFF signal.