AUTOMATIC TRANSMISSION
Fault finding - Interpretation of statuses
23A
23A-99V5 MR-372-J84-23A100$580.mif
SIEMENS TA2005
Vdiag No.: 14-18
ET023
SEQUENCE SOLENOID VALVE 3 CONTROL
NOTESThere must be no present or stored faults.
This status displays "ACTIVE" when the gear engaged is "P" or "N" or "1" and "INACTIVE" when other gears
are engaged.
Disconnect the computer. Check the cleanliness and condition of the connectors.
Check the continuity of the following connections:
●connection code 5AX, between components 119 and 754.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Measure the resistance of component 754 between the following connections:
●connection code 5AX,
●connection code 5AU.
The value should be 40 Ω ± 2 at approximately 23 ˚C.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the resistance is greater than 50 Ω, check the wiring harness, the computer connector and the modular
connector.
If the status does not function as specified, use the interpretation of fault DF087 "EVS3 Sequence solenoid valve
circuit".
AFTER REPAIRRepeat the conformity check from the start.
Make sure that shifting up and down through each gear works properly.
DP0TA2005_V14_ET023/DP0TA2005_V18_ET023
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of statuses
23A
23A -100V5 MR-372-J84-23A100$580.mif
SIEMENS TA2005
Vdiag No.: 14-18
ET024
SEQUENCE SOLENOID VALVE 4 CONTROL
NOTESThere must be no present or stored faults.
This status displays "ACTIVE" when the gear engaged is "1" or "2" and "INACTIVE" when other gears are
engaged.
Disconnect the computer. Check the cleanliness and condition of the connectors.
Check the continuity of the following connections:
●connection code 5AY, between components 119 and 754.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Measure the resistance of component 754 between the following connections:
●connection code 5AU,
●connection code 5AY.
The value should be 40 Ω ± 2 at approximately 23 ˚C.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the resistance is greater than 50 Ω, check the wiring harness, computer connector and modular connector.
If the status does not function as specified, use the interpretation of fault DF089 "EVS4 Sequence solenoid valve
circuit".
AFTER REPAIRRepeat the conformity check from the start.
Make sure that shifting up and down through each gear works properly.
DP0TA2005_V14_ET024/DP0TA2005_V18_ET024
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of statuses
23A
23A -101V5 MR-372-J84-23A100$580.mif
SIEMENS TA2005
Vdiag No.: 14-18
ET025
SEQUENCE SOLENOID VALVE 5 CONTROL
NOTESThere must be no present or stored faults.
This status displays "ACTIVE" when the gear engaged is "1" and "INACTIVE" when other gears are engaged.
Disconnect the computer. Check the cleanliness and condition of the connectors.
Check the continuity of the following connections:
●connection code 5DL, between components 119 and 754.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Measure the resistance of component 754 between the following connections:
●connection code 5AU,
●connection code 5DL.
The value should be 40 Ω ± 2 at approximately 23 ˚C.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the resistance is greater than 50 Ω, check the wiring harness, computer connector and modular connector.
If the status is still not correct, use the interpretation of fault DF088 "EVS5 Sequence solenoid valve circuit".
AFTER REPAIRRepeat the conformity check from the start.
Make sure that shifting up and down through each gear works properly.
DP0TA2005_V14_ET025/DP0TA2005_V18_ET025
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of statuses
23A
23A -102V5 MR-372-J84-23A100$580.mif
SIEMENS TA2005
Vdiag No.: 14-18
ET026
SEQUENCE SOLENOID VALVE 6 CONTROL
NOTESThere must be no present or stored faults.
This status displays "INACTIVE" with any gear engaged.
Disconnect the computer. Check the cleanliness and condition of the connectors.
Check the continuity of the following connections:
●connection code 5DM, between components 119 and 754.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Measure the resistance of component 754 between the following connections:
The value should be 40 Ω ± 2 at approximately 23 ˚C.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the resistance is greater than 50 Ω, check the wiring harness, computer connector and modular connector.
If the status is still not correct, use the interpretation of fault DF112 "EVS6 Sequence solenoid valve circuit".
AFTER REPAIRRepeat the conformity check from the start.
Make sure that shifting up and down through each gear works properly.
DP0TA2005_V14_ET026/DP0TA2005_V18_ET026
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of parameters23A
23A - 114V5 MR-372-J84-23A100$696.mif
SIEMENS TA2005
Vdiag No.: 14-18
PR008
COMPUTER SUPPLY VOLTAGE
NOTESThere must be no present or stored faults.
All electrical consumers switched off.
Carry out a full battery and charging circuit check (see Technical Note 6014A, Charging circuit fault finding).
Disconnect the computer.
Check the cleanliness and condition of the connector.
Check for earth on connection N of component 119.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check the computer's 30A fuse.
Check the computer's 5A after ignition feed fuse.
With the ignition on, check for + 12 V on the following connections:
●connection code BP42, between components 119 and 1337,
●connection code AP4, between components 119 and 1337.
If any of the connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check for earth on the following connections:
●connection code N of component 119,
●connection code M of component 119.
Check the Protection and Switching Unit if necessary.
AFTER REPAIRRepeat the conformity check from the start.
DP0TA2005_V14_PR008/DP0TA2005_V18_PR008
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of parameters23A
23A - 119V5 MR-372-J84-23A100$696.mif
SIEMENS TA2005
Vdiag No.: 14-18
PR126
CURRENT TURBINE SPEED
NOTESThere must be no present or stored faults.
Check the cleanliness and condition of the turbine speed sensor and its connections.
Check the insulation, continuity and the absence of interference resistance to earth, to + 12 V and the
following connections:
●connection code 5DA, between components 119 and 1017,
●connection code 5DB, between components 119 and 1017.
If any of the connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check the turbine speed on the diagnostic tool:
Gear lever position at N or P.
Oil temperature 43 ˚C: turbine speed ~ 681 rpm and engine speed: ~ 743 rpm.
Oil temperature 45 ˚C: turbine speed ~ 654 rpm and engine speed: ~ 743 rpm.
AFTER REPAIRRepeat the conformity check from the start.
DP0TA2005_V14_PR126/DP0TA2005_V18_PR126
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of parameters23A
23A - 120V5 MR-372-J84-23A100$696.mif
SIEMENS TA2005
Vdiag No.: 14-18
PR128
ENGINE/TURBINE SPEED DIFFERENCE
NOTESThere must be no present or stored faults.
Check the cleanliness and condition of the engine speed sensor and its connections.
Run a multiplex network test (see 88B, Multiplex).
After these checks, if parameter PR006 Engine speed is absent, refer to the interpretation of the parameter
(see 17B, Petrol injection or 13B, Diesel injection).
Check the cleanliness and condition of the turbine speed sensor and its connections.
This parameter is the difference between parameter PR006 Engine speed and parameter PR007 Turbine speed.
Check the engine/turbine speed difference with the diagnostic tool:
Engine idling:
Engine speed: ~ 743 rpm and turbine speed: ~ 654 rpmdifference = ~ 89 rpm.
AFTER REPAIRRepeat the conformity check from the start.
DP0TA2005_V14_PR128/DP0TA2005_V18_PR128
Fault finding - Interpretation of commands23A
23A - 126V5 MR-372-J84-23A100$812.mif
SIEMENS TA2005
Vdiag No.: 14-18AUTOMATIC TRANSMISSION
Fault finding - Interpretation of commands
AC024
ACTUATOR SEQUENTIAL CONTROL
NOTESCheck the 30 A permanent computer supply fuse in the Protection and Switching Unit.
Check the 5 A computer after ignition feed fuse in the Protection and Switching Unit.
Replace the fuses if necessary.
Check the cleanliness and condition of the connections.
Engine speed zero and gear lever in position P or N.
This command enables all the automatic transmission solenoid valve actuators to be operated.
Check the insulation, continuity and absence of interference resistance on the following connections:
●connection code 5DN, between components 119 and 1019,
●connection code 5BA, between components 119 and 754,
●connection code 5AU, between components 119 and 754.
If any of the connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Control of solenoid valve EVS1:
●connection code 5AV, between components 119 and 754.
Control of solenoid valve EVS2:
●connection code 5AW, between components 119 and 754.
Control of solenoid valve EVS3:
●connection code 5AX, between components 119 and 754.
Control of solenoid valve EVS4:
●connection code 5AY, between components 119 and 754.
Control of solenoid valve EVS5:
●connection code 5DL, between components 119 and 754.
Control of solenoid valve EVS6:
●connection code 5DM, between components 119 and 754.
If any of the connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Test the solenoid valves then check for faults on the computer.
AFTER REPAIRRepeat the conformity check from the start.
DP0TA2005_V14_AC024/DP0TA2005_V18_AC024
MR-372-J84-23A100$812.mif