Page 25 of 138

21B-25
MR-413-X44-21B000$413.mif
V2
SEQUENTIAL GEARBOX
Fault finding - Interpretation of faults
Vdiag No.: 04
21B
DF039
PRESENT
OR
STOREDENGINE SPEED SIGNAL
1.DEF: Signal incoherent
2.DEF: No signal
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after the engine starts.
Special note:
Fault warning light comes on.
Use the Wiring Diagrams Technical Note for New TWINGO.
1.DEF
NOTESNone.
Engine running at idle speed and vehicle stopped, check the gearbox input engine speed sensor and the engine
speed sensor are operating correctly using the following parameters:
●PR006 Engine speed,
●PR014 "Gearbox input speed".
Check the mechanical condition of the clutch.
2.DEF
NOTESNone.
Check the connection and condition of the connectors of components 119 and 120.
If the connector(s) are faulty and if there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the connectors; otherwise, replace the wiring.
Check the insulation, continuity and absence of interference resistance on the following connection:
●Connection code H7 between components 119 and 120.
If the connection is faulty and if there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Check the injection system (see 17B, Petrol injection) and deal with any faults.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
BVRJH1_V04_DF039
Page 26 of 138

21B-26
MR-413-X44-21B000$413.mif
V2
SEQUENTIAL GEARBOX
Fault finding - Interpretation of faults
Vdiag No.: 04
21B
DF043
PRESENT
OR
STOREDGEAR CHANGE CONSISTENCY
DEF: Inconsistency between gear read and gear engaged
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after the engine starts.
Special note:
If the fault is present:●Fault warning light comes on.
●Impossible to start the engine.
●Impossible to change gear.
Use the Wiring Diagrams Technical Note for New TWINGO.
Check the condition and connection of the connectors of the gearbox computer, component code 119, of the
engagement position sensor, component code 1055 and of the selection position sensor, component code 1056
as well as the intermediate connector.
If the connector(s) are faulty and if there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the connectors; otherwise, replace the wiring.
The connector check must be accurately carried out before moving on to the next step.
Start the engine.
–Engage first gear and wait for the solenoid valves to be deactivated.
–Engage neutral, display the value of the parameters PR017 Engagement position and PR016 Selection
position and wait 10 seconds, checking that the values do not change.
–Switch off the engine and wait 15 seconds.
If, after waiting 15 seconds, it is impossible to push the vehicle, replace the engagement position sensor
(see MR 411 Mechanical, 21B, Sequential gearbox, Engagement sensor: Removal - Refitting).
–Start the engine.
–Engage second gear and wait for the solenoid valves to be deactivated.
–Engage neutral, display the value of the parameters PR017 and PR016 and wait 10 seconds, checking that
the values do not change.
–Switch off the engine and wait 15 seconds.
If, after waiting 15 seconds, it is impossible to push the vehicle, replace the engagement position sensor
(see MR 411 Mechanical, 21B, Sequential gearbox, Engagement sensor: Removal - Refitting).
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
BVRJH1_V04_DF043
Page 27 of 138

21B-27
MR-413-X44-21B000$413.mif
V2
SEQUENTIAL GEARBOX
Fault finding - Interpretation of faults
Vdiag No.: 04
21B
DF046
PRESENT
OR
STOREDIDLING SETPOINT MULTIPLEX SIGNAL
1.DEF: Communication disrupted
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after the computer fault memory has been cleared, the
ignition has been switched off and on again and the engine has been started.
If one of the gears engaged, accelerator pedal position or engine speed signals are
not available, a default value is used:
–Engine idle speed = 816 rpm.
Use the Wiring Diagrams Technical Note, New TWINGO.
Perform a multiplex network test (see 88B, Multiplex).
Check the connection and condition of the connectors of components 120 and 119.
If the connector(s) are faulty and if there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the connectors; otherwise, replace the wiring.
Check the insulation to + 12 V and to earth and check the continuity of the following connections:
●Connection code 3MT,
●Connection code 3MS,
between components 120 and 119.
If the connection(s) are faulty and there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, check the injection system (see 17B, Petrol injection).
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
BVRJH1_V04_DF046
Page 28 of 138

21B-28
MR-413-X44-21B000$413.mif
V2
SEQUENTIAL GEARBOX
Fault finding - Interpretation of faults
Vdiag No.: 04
21B
DF048
PRESENT
OR
STOREDVEHICLE SPEED SIGNAL
1.DEF: Signal incoherent
2.DEF: No signal
NOTESPriorities when dealing with a number of faults:
If fault DF062 Multiplex line fault is present or stored, deal with it first.
Conditions for applying fault finding procedures to stored faults:
The fault is declared present after a road test.
Use the Wiring Diagrams Technical Note for New TWINGO.
Carry out a road test.
Check the concordance between the speed indicated on the speedometer and parameter PR105 Vehicle speed.
Check the connection and condition of the connectors of components 119, 120 and 1094.
If the connector(s) are faulty and if there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the connectors; otherwise, replace the wiring.
Run a multiplex network test (see 88B, Multiplexing, Introduction).
If the fault is still present, run fault finding on the ABS/ESP system (see 38C, Anti-lock braking system).
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
BVRJH1_V04_DF048
Page 29 of 138

21B-29
MR-413-X44-21B000$413.mif
V2
SEQUENTIAL GEARBOX
Fault finding - Interpretation of faults
Vdiag No.: 04
21B
DF059
PRESENT
OR
STOREDINJECTION → AUTOMATIC TRANSMISSION CONNECTION (CAN
SIGNALS)
1.DEF: No signal
NOTESPriorities when dealing with a number of faults:
In the event of a number of faults, deal with DF062 Multiplex line fault first.
Conditions for applying the fault finding procedure to stored faults:
The fault is declared present after a road test.
Use the Wiring Diagrams Technical Note for New TWINGO.
Check the connection and condition of the connectors of components 120 and 119.
If the connectors are faulty and if there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the connectors; otherwise, replace the wiring.
Run fault finding on the injection system (see 17B, Petrol Injection).
Check the insulation to + 12 V and to earth and check the continuity of the following connections:
●Connection code 3MT,
●Connection code 3MS,
between components 120 and 119.
If the connection(s) are faulty and there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the wiring, otherwise replace it.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
BVRJH1_V04_DF059
Page 30 of 138

21B-30
MR-413-X44-21B000$413.mif
V2
SEQUENTIAL GEARBOX
Fault finding - Interpretation of faults
Vdiag No.: 04
21B
DF062
PRESENT
OR
STOREDMULTIPLEX LINE FAULT
1.DEF: Multiplex line connection fault
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
The computer fault memory is cleared, the ignition is switched off and on again and
the engine is started.
Use the Wiring Diagrams Technical Note for New TWINGO.
Perform a multiplex network test (see 88B, Multiplex).
Run fault finding on the injection system (see 17B, Petrol Injection).
Check the connection and condition of the connectors of components 120 and 119.
If the connectors are faulty and if there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the connectors; otherwise, replace the wiring.
Check the insulation to + 12 V and to earth and check the continuity of the following connections:
●Connection code 3MT,
●Connection code 3MS,
between components 120 and 119.
If the connection(s) are faulty and there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the wiring, otherwise replace it.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
BVRJH1_V04_DF062
Page 31 of 138

21B-31
MR-413-X44-21B000$413.mif
V2
SEQUENTIAL GEARBOX
Fault finding - Interpretation of faults
Vdiag No.: 04
21B
DF065
PRESENT
OR
STOREDPUMP RELAY CIRCUIT
CC.0: Short circuit to earth
CO.1: Open circuit or short circuit to + 12 V
NOTESPriorities when dealing with a number of faults:
Deal with fault DF166 Pressure sensor circuit first.
Conditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
–switching on the ignition again and starting the engine.
Special note:
–Fault warning light comes on.
–Any gear changes and automatic mode are inhibited.
Use the Wiring Diagrams Technical Note for New TWINGO.
Check the presence and conformity of component 762 in the engine fuse box.
Check for the earth on connection MAS of component 792.
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 connection and condition of the connectors of components 762 and 120.
If the connectors are faulty and if there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the connectors; otherwise, replace the wiring.
Check for + before ignition on connection BP36 of component 762.
If there is no + before ignition, check fuse F1 (30A) on component 597.
If the fuse is correct, check the continuity of connection BP36 between components 762 and 597.
If the fuse is not correct, check the insulation to earth of connection BP36 between components 762 and 597.
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 continuity and insulation to earth and to + 12 V of the following connections:
●Connection code 5AF between components 762 and 119.
●Connection code 5AE between components 762 and 724.
If the connections are faulty, check the connection and condition of intermediate connector R235 located on the
hydraulic unit.
If the connection(s) are faulty and there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the wiring, otherwise replace it.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
BVRJH1_V04_DF065
Page 32 of 138

21B-32
MR-413-X44-21B000$413.mif
V2
SEQUENTIAL GEARBOX
Fault finding - Interpretation of faults
Vdiag No.: 04
21B
DF065
CONTINUED
Check the insulation between the following connections:
●Connection code MAS of component 762,
●Connection code BP36 between components 762 and 597,
●Connection code 5AF between components 762 and 119,
●Connection code 5AE between components 762 and 724,
●Connection code M of component 724.
If the connections are faulty, check the connection and condition of intermediate connector R235 located on the
hydraulic unit.
If the connection(s) are faulty and there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the pump supply relay (component code 762).
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.