Page 79 of 128

AUTOMATIC TRANSMISSION
Fault finding – Interpretation of statuses23A
23A-79V4 MR-372-J84-23A050$594.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
ET004
STOP LIGHT SWITCH (CLOSURE)
NOTESThere must be no present or stored faults.
The status displays CLOSED with the pedal released and changes to OPEN with the brake pedal depressed.
Check the cleanliness and the condition of the brake light switch connections.
Check the positioning, setting and correct operation of the brake light switch (Pay attention to the floor carpet
which can block the switch).
Disconnect the battery.
Disconnect the computer. Check the cleanliness and condition of the connections.
Use the Universal bornier Elé. 1681 to check the insulation, continuity and the absence of interference
resistance on the following connection:
●Connection code 5A, between components 119 and 160.
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.
Repair if necessary.
If the correct status is not displayed, replace the switch.
AFTER REPAIRRepeat the conformity check from the start.
DP0TA2000_V10_ET004/DP0TA2000_V11_ET004/DP0TA2000_V15_ET004
Page 91 of 128
AUTOMATIC TRANSMISSION
Fault finding – Interpretation of statuses23A
23A-91V4 MR-372-J84-23A050$594.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
ET071
TORQUE CONVERTER
NOTESThere must be no present or stored faults.
This indicates the status of the torque converter.
The status should be ACTIVE when the vehicle is driven with a gear engaged.
The status should be INACTIVE when starting, changing gears, or if the vehicle is stopped.
If the status does not function as specified, apply the interpretation of fault DF016 Converter lockup solenoid
valve circuit.
If the fault is still present, contact your Techline.
AFTER REPAIRRepeat the conformity check from the start.
Make sure that shifting up and down through each gear works properly.
DP0TA2000_V10_ET071/DP0TA2000_V11_ET071/DP0TA2000_V15_ET071
Page 103 of 128

AUTOMATIC TRANSMISSION
Fault finding – Parameter interpretation23A
23A - 103V4 MR-372-J84-23A050$726.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
PR003
CONTINUED
See the Taking line pressure section of the Workshop Repair Manual.
Set up the pressure gauge for a line pressure reading.
With a warm engine and the gearbox oil temperature between 60 and 80 ˚C, check the difference between the line
pressure sensor (PR003) and the pressure gauge under the following conditions:
–with the engine stopped, the pressure gauge should indicate a residual pressure of about 0.2 bar.
If the sensor reading differs by more than 0.2 bar, replace the sensor.
–with the engine running at about 1200 rpm the pressure gauge reading should reach 7 bar.
If the sensor reading differs by more than 0.8 bar, replace the sensor.
Warm engine with gearbox oil temperature between 60 and 80 ˚C.
Take the line pressure readings under the following conditions:
–with the gear lever in P or N and engine speed at 2000 rpm the pressure should be between 2.6 and 3.2 bar.
–with the gear lever at R and engine speed at 2000 rpm, the pressure should be above 4 bar.
–with the gear lever at D and engine speed at 2000 rpm, the pressure in first gear should be greater than 7 bar.
If the values are not correct, there is a fault inside the gearbox.
AFTER REPAIRRepeat the conformity check from the start.
Page 117 of 128

AUTOMATIC TRANSMISSION
Fault finding – Fault Finding Chart23A
23A-117V4 MR-372-J84-23A050$924.mif
SIEMENS TA2000
Vdiag No.: 10-11-15
Start with the ALP1 cycle
ALP3 Automatic transmission operating faults
NOTESOnly refer to Customer complaints after carrying out a complete fault finding
procedure with the diagnostic tool and the conformity check.
If the engine races when shifting from 1/2 when cold (automatic transmission oil
temperature lower than 15˚C), replace the pressure modulating solenoid valve
(EVM).
Use the diagnostic tool to check the
consistency between the display and the gear
lever positions (ignition on and engine
stopped).Adjust the control settings following the instructions
provided (see MR 370, Mechanical, 23 A,
Automatic Transmission, Automatic
transmission control unit (for Mégane II and
Scénic II)).
Are they consistent?
Check the oil level and the condition of the oil
(colour, odour, etc.).Replace the automatic transmission (see MR 364,
Mechanical, 23A, Automatic transmission,
Removal-Refitting (for Mégane II) and MR 370,
Mechanical, 23A, Automatic transmission,
Removal-Refitting (for Scénic II)). Does the condition of the oil suggest there
is an internal fault in the automatic
transmission?
With the engine stopped, check the line
pressure information provided by the pressure
sensor (PR003 Oil pressure).Replace the pressure sensor (see MR 364,
Mechanical, 23A, Automatic transmission,
Pressure sensor (for Mégane II) and MR 370,
Mechanical, 23A, Automatic transmission,
Pressure sensor (for Scénic II)). Is the value higher than 0.2 bar?
NO
YES
YES
NO
YES
NO
A
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
DP0TA2000_V10_ALP3/DP0TA2000_V11_ALP3/DP0TA2000_V15_ALP3