Page 65 of 128

AUTOMATIC TRANSMISSION
Fault finding – Conformity check23A
23A - 65V4 MR-372-J84-23A050$462.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
SUB-FUNCTION: CHANGING GEAR
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(no present or stored faults).
Application conditions: engine stopped, ignition on.
The values indicated in this conformity check are given as examples.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Gear lever
positionET012:Gear lever positionP if selector is in
position P
N if selector is in
position N.
R if selector is in
position R.
D if selector is in
position D.
M if selector is in
position M.
M+ if selector is in
position M+.
M- if selector is in
position M-. In the event of a
fault, refer to the
interpretation of this
status.
2GearET013:Gear engaged"N" for neutral
"1" for 1
st unlocked
"2" for 2
nd unlocked
"R" for reverseIn the event of a
fault, refer to the
interpretation of this
status.
3Engine speedPR006:Engine speed0 rpmIn the event of a
fault, consult the
interpretation of this
parameter.
4Oil pressurePR003:Oil pressureX < 0.2 bar In the event of a
fault, consult the
interpretation of this
parameter.
Page 66 of 128

AUTOMATIC TRANSMISSION
Fault finding – Conformity check23A
23A - 66V4 MR-372-J84-23A050$462.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
SUB-FUNCTION: GEAR CHANGE (CONTINUED 1)
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(no present or stored faults).
Application conditions: engine stopped, ignition on.
The values indicated in this conformity check are given as examples.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
5Solenoid valve
controlET021:Sequence solenoid 1
controlInactive
In the event of a
fault, refer to the
interpretation of this
status. ET022:Sequence solenoid 2
controlInactive
ET023:Sequence solenoid
valve 3 controlInactive
ET024:Sequence solenoid
valve 4 controlInactive
ET025:Sequence solenoid
valve 5 controlInactive
ET026:Sequence solenoid
valve 6 controlInactive
AC024:Sequential actuator
controlMeans of controlling
all the solenoid
valvesIn the event of a
fault, refer to the
interpretation of this
command.
6Multifunction
switchLever in position P
In the event of a
fault, refer to the
interpretation of this
status. ET123:Multifunction
switch S2CLOSED
ET124:Multifunction
switch S3OPEN
ET125:Multifunction
switch S4OPEN
7FeedsET001: Solenoid valve
supplyPRESENTIn the event of a
fault, refer to the
interpretation of this
status.
Page 67 of 128
AUTOMATIC TRANSMISSION
Fault finding – Conformity check23A
23A - 67V4 MR-372-J84-23A050$462.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
SUB-FUNCTION: GEAR CHANGE (CONTINUED 2)
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(no present or stored faults).
Application conditions: engine stopped, ignition on.
The values indicated in this conformity check are given as examples.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
8Selection modeET097:Manual
ModeINACTIVE
ACTIVE, if lever is in
position MIn the event of a
fault, refer to the
interpretation of this
status.
9Sequential lever
switchET127:Lower sequential
lever switchOPEN
CLOSED, if selector
lever in position M-
In the event of a
fault, refer to the
interpretation of this
status. ET128:Upper sequential
lever switchINACTIVE
CLOSED, if selector
lever in position M+
ET155:Third gear hold
contactOPEN
Page 68 of 128

AUTOMATIC TRANSMISSION
Fault finding – Conformity check23A
23A - 68V4 MR-372-J84-23A050$462.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
SUB-FUNCTION: PRESSURE CONTROL
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(no present or stored faults).
Application conditions: engine stopped, ignition on.
The values indicated in this conformity check are given as examples.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Gearbox ratioET013: Gear engagedN for neutral position
1 for 1
st unlocked
2 for 2nd unlocked
R for reverse gear
positionIn the event of a
fault, refer to the
interpretation of this
status.
2Engine speedPR006:Engine speed0 rpmIn the event of a
fault, consult the
interpretation of
fault DF115.
3Oil pressurePR003: Oil pressureX < 0.2 barIn the event of a
fault, consult the
interpretation of this
parameter.
PR138:Reference pressure21 bar None.
PR146:Difference between
reference and oil
pressureX = PR138 - PR003 None.
4Oil temperaturePR004:Gearbox oil
temperature- 40 < X < 140 ˚CIn the event of a
fault, consult the
interpretation of this
parameter.
Page 69 of 128

AUTOMATIC TRANSMISSION
Fault finding – Conformity check23A
23A - 69V4 MR-372-J84-23A050$462.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
SUB-FUNCTION: LEVER LOCK
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(no present or stored faults).
Application conditions: engine stopped, ignition on.
The values indicated in this conformity check are given as examples.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Gear lever
positionET012:Gear lever positionP if selector is in
position P
N if selector is in
position N.
R if selector is in
position R.
D if selector is in
position D.
M if selector is in
position M.
M+ if selector is in
position M+.
M- if selector is in
position M-.In the event of a
fault, refer to the
interpretation of this
status.
2Brake pedalET142:Brake pedal pressedYES, if brake pedal is
pressed
NO, if brake pedal is
not pressed In the event of a
fault, refer to the
interpretation of this
status.
ET003:Brake light switch
(open)ACTIVE, if brake
pedal is not pressed
INACTIVE, if brake
pedal is pressed In the event of a
fault, refer to the
interpretation of this
status.
ET004:Brake light switch
(closure)ACTIVE, if brake
pedal is not pressed
INACTIVE, if brake
pedal is pressedIn the event of a
fault, refer to the
interpretation of this
status.
3Selector lever
lockingET157:Gear lever unlockingYES, if brake pedal is
pressed
NO, if brake pedal is
not pressed
Page 70 of 128

AUTOMATIC TRANSMISSION
Fault finding – Conformity check23A
23A - 70V4 MR-372-J84-23A050$462.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
SUB-FUNCTION: GEAR LEVER (CONTINUED)
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(no present or stored faults).
Application conditions: engine stopped, ignition on.
The values indicated in this conformity check are given as examples.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
4Multifunction
switchIn position P
In the event of a
fault, refer to the
interpretation of this
status. ET123:Multifunction
switch S2OPEN
ET124:Multifunction
switch S3OPEN
ET125:Multifunction
switch S4OPEN
5Gear change
modeET097:Manual modeACTIVE, if selector
lever is in position M,
M+ or M-
INACTIVE, if selector
lever is in position P,
R, N or DIn the event of a
fault, refer to the
interpretation of this
status.
6Push-button
shiftCLOSED, if lever in
position M
In the event of a
fault, refer to the
interpretation of this
status. ET127:Lower sequential
lever switchOPEN, if lever is in
any position other
than M-
ET128:Upper sequential
lever switchCLOSED, if lever in
position M+
OPEN, if lever is in
any position other
than M+
Page 71 of 128

AUTOMATIC TRANSMISSION
Fault finding – Conformity check23A
23A - 71V4 MR-372-J84-23A050$462.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
SUB-FUNCTION: LOCKUP/UNLOCKING
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(no present or stored faults).
Application conditions: engine stopped, ignition on.
The values indicated in this conformity check are given as examples.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Rotation speedsPR006:Engine speed 0 rpmIn the event of a
fault, consult the
interpretation of this
parameter.
PR007: Turbine speed0 rpmIn the event of a
fault, consult the
interpretation of this
parameter.
PR128:Engine/turbine speed
difference0 rpmIn the event of a
fault, consult the
interpretation of this
parameter.
2Oil pressure PR003:Oil pressure X < 0.2 barIn the event of a
fault, consult the
interpretation of this
parameter.
PR138:Reference pressure21 bar None.
PR146:Difference between
reference and oil
pressureX = PR138 - PR003 None.
3Torque
converterET071:Torque converterINACTIVEIn the event of a
fault, refer to the
interpretation of this
status.
4Oil temperaturePR004:Gearbox oil
temperature - 10 < X < 150 ˚C
- 40 < X < 140 ˚C
ET010:Oil too hot signalYES/NOYES, if the oil
temperature is
> 140 ˚C
5Driving modeET079:Economy modeYES, if driving is
economical
NO, if driving is
'sporty'None.
Page 72 of 128

AUTOMATIC TRANSMISSION
Fault finding – Conformity check23A
23A - 72V4 MR-372-J84-23A050$462.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
SUB-FUNCTION: STATIONARY DECLUTCHING
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(no present or stored faults).
Application conditions: engine stopped, ignition on.
The values indicated in this conformity check are given as examples.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Engine speedPR006:Engine speed0 rpmIn the event of a
fault, consult the
interpretation of this
parameter.
2Gear lever
positionET012:Gear lever
positionP if selector is in
position P
N if selector is in
position N.
R if selector is in
position R.
D if selector is in
position D.
M if selector is in
position M.
M+ if selector is in
position M+.
M- if selector is in
position M-.In the event of a
fault, refer to the
interpretation of this
status.
3Gear engagedET013:Gear engagedR for reverse.
1P for 1
st locked.
2P for 2nd locked.
3P for 3rd locked.
4P for 4th locked.
1G for 1st slipping.
2G for 2nd slipping.
3G for 3rd slipping.
4G for 4th slipping.
1 for 1st unlocked.
2 for 2nd unlocked.
3 for 3rd unlocked.
4 for 4th unlocked.In the event of a
fault, refer to the
interpretation of this
status.