2004 DAEWOO LACETTI Service Repair Manual

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Page 1457 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5A1 – 108IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC P0722 – Output Speed Sensor(OSS) Circuit No Signal
StepActionValue(s)YesNo
1Perform an On–Board Diagnostic (EOBD) System
Check.
Is

5A1 – 108IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DTC P0722 – Output Speed Sensor(OSS) Circuit No Signal
StepActionValue(s)YesNo
1Perform an On–Board Diagnostic (EOBD) System
Check.
Is the check completed?–Go to Step 2Go to ”On–
Board Diagnos-
tic System
Check”
21. Install the scan tool.
2. Turn the ignition ON and record then clear
DTC(s), then turn the ignition OFF.
3. Raise and support the drive wheels, then start
the engine.
4. Gear position is D and observe the output
speed on the scan tool.
Is the speed within the values shown?190~9,762rpmGo to ”Diag-
nostic Aids”Go to Step 3
31. Turn the ignition LOCK.
2. Disconnect the transaxle wiring connector.
3. Measure the resistance between terminals 1
and 2 of the transaxle wiring connector.
Is the resistance within the values shown?Go to Step 9Go to Step 4
41. Remove the oil pan.
2. Disconnect the output speed sensor wiring
connector.
3. Measure the resistance between terminal 1 of
the output speed sensor wiring connector and
terminal 1 of the transaxle wiring connector.
4. Measure the resistance between terminal 2 of
the output speed sensor wiring connector and
terminal 2 of the transaxle wiring connector.
Is the resistance within the values shown?0ΩGo to Step 6Go to Step 5
5Repair the malfunctioning terminals as necessary.
Is the action complete?–System OK–
61. Turn the ignition ON.
2. Measure the voltage of terminal 1.
3. Measure the voltage of terminal 2.
Is the voltage within the values shown?11–14VGo to Step 7Go to Step 8
7Repair the malfunctioning terminals as necessary.
Is the action complete?–System OK–
8Replace the output speed sensor.
Is the action complete?–System OK–
91. Disconnect the transaxle wiring connector and
TCM connector.
2. Measure the resistance between terminal 1 of
the transaxle wiring connector and terminal
B10 of the TCM wiring connector.
3. Measure the resistance between terminal 2 of
the transaxle wiring connector and terminal B5
of the TCM wiring connector.
Is the resistance within the values shown?0ΩGo to Step 11Go to Step 10
10Repair the malfunctioning terminals as necessary.
Is the action complete?–System OK–

Page 1458 of 2643

DAEWOO LACETTI 2004 Service Repair Manual ZF 4 HP 16 AUTOMATIC TRANSAXLE 5A1 – 109
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
111. Turn the ignition ON.
2. Measure the voltage of terminal 1.
3. Measure the voltage of terminal 2.
Is t

Page 1459 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5A1 – 110IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE(DTC) P0725
ENGINE SPEED INPUT CIRCUIT MALFUNCTION
Circuit Description
The transaxle control module(TCM) is an elec

Page 1460 of 2643

DAEWOO LACETTI 2004 Service Repair Manual ZF 4 HP 16 AUTOMATIC TRANSAXLE 5A1 – 111
DAEWOO V–121 BL4
DTC P0725 – Engine Speed Input Circuit Malfunction
StepActionValue(s)YesNo
1Perform an On–Board Diagnostic (EOBD) System
Check.
Is th

Page 1461 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5A1 – 112IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE(DTC) P0726
ENGINE SPEED INPUT CIRCUIT RANGE/PERFORMANCE
Circuit Description
The transaxle control module(TCM) is a

Page 1462 of 2643

DAEWOO LACETTI 2004 Service Repair Manual ZF 4 HP 16 AUTOMATIC TRANSAXLE 5A1 – 113
DAEWOO V–121 BL4
DTC P0726 – Engine Speed Input Circuit Range/Performance
StepActionValue(s)YesNo
1Perform an On–Board Diagnostic (EOBD) System
Check.

Page 1463 of 2643

DAEWOO LACETTI 2004 Service Repair Manual 5A1 – 114IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE(DTC) P0727
ENGINE SPEED INPUT CIRCUIT NO SIGNAL
Circuit Description
The transaxle control module(TCM) is an electr

Page 1464 of 2643

DAEWOO LACETTI 2004 Service Repair Manual ZF 4 HP 16 AUTOMATIC TRANSAXLE 5A1 – 115
DAEWOO V–121 BL4
DTC P0727 – Engine Speed Input Circuit No Signal
StepActionValue(s)YesNo
1Perform an On–Board Diagnostic (EOBD) System
Check.
Is the

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