2005 CITROEN C6 manual transmission

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AM6 GEARBOX CONTROLSThe gear selector is guided by the shape of the stepped gate and by a retaining spring which
pulls it to the left hand side.
The gear control has 5 positions:
- Position "P": parking (locking and immobilisation of the vehicle).
- Position "R": reverse gear.
- Position "N": neutral.
- Position "D": drive (for use of the 6 gearsin autoadaptive automatic operation).
- Position "M": manual (this position allows the driver to select his gears in one-touch mode by
pulling "M -"or pushing "M +"on the gear selector).
NOTE:Only positions "P"or "N"authorise starting of the engine.
In position "M", the selection is enabled by an electronic sensor located close to the gear
selector:
- The variation of flux necessary to affect the sensor cells is obtained by a magnet on the lever
opposite the cells, provoking the changes of status.
- The information on this is transmitted to the gearbox ECU.
B2CP430D
Engines: ES9A - DT17BTED4
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AM6 GEARBOX CONTROLSNOTE:The vehicle is equipped with «shift lock». It is necessary to switch on the ignition and
press the brake pedal to release the selection lever from position "P".
The switch "a"positioned on the gear control panel allows the driver to choose one of the
following 3 driving programmes:
- Normal programme:The normal programme operates in the absence of any other selection
being made (auto-adaptive mode ; eco law).
- Sport programme:The sport programme permits a more dynamic driving style, with greater
performances and acceleration.
- Snow programme:The snow programme facilitates moving off and traction on ground that
has limited adhesion.
To revert to the normalprogramme, you have to press a second timeon the sportor snow
switch.
B2CP430D
Engines: ES9A - DT17BTED4
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AM6 GEARBOX CONTROLSGearbox end.
The automatic gearbox is controlled by a cable.
“b”Push-button in pushed-in position
(1)Sleeve stop
(2) Control lever with ball-joint
(3)Automatic adjustment
Automatic adjustment:
- Pull out button “b”to adjust the control.
- Push in button “b”to lock the adjustment of the control.
B2CP431C
Engines: ES9A - DT17BTED4
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AM6 GEARBOX CONTROLS: «SHIFT LOCK» FUNCTIONIMPERATIVE: Respect the safety and cleanliness requirements, with reference to the brochure:
«Recommendations-Precautions».
The «shift lock»is a system that locks the gear selection lever in position «P».
Unlocking the «SHIFT LOCK»(normal operation).
Switch on the ignition.
Press the brake pedal and keep it pressed.
Move the gear selection lever out of position «P».
Unlocking the «SHIFT LOCK» (with an operating fault).
Should it be impossible to unlock the «shift lock»with the «Normal operation»method.
The fault may originate from one of the following components:
- «Shift lock».
- Gear lever position switch.
- Automatic gearbox ECU.
- Electrical harness.
- Battery voltage.
Operations to be performed.
Unclip the cover (1).
Unlock the «shift lock»by pressing at "a"with the aid of a screwdriver (screwdriver with a minimum length of
150 mm).
Move the gear selection lever out of position "P".
C5FP0RCD
Engines: ES9A - DT17BTED4
C5FP0RBC
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PROCEDURE FOR INITIALISATION OF THE AUTOMATIC GEARBOX ECU
NOTE:For all these operations, follow the procedure in the diagnostic tool.
Replacement of the automatic gearbox without replacement of the ECU.
Carry out the following operations:
- Initialisation of the neutral position of the gear selection lever position sensor.
- Initialisation of the adaptation of the oil pressure regulators and electrovalves.
- Initialisation of the autoadaptatives.
- Resetting the oil usage counter to zero.
Replacement of the automatic gearbox ECU.
Carry out the following operations:
- Read the value of the gearbox oil usage counter from the old ECU.
- Write the value of the oil usage counter into the new ECU.
- Initialisation of the neutral position of the gear selection lever position sensor.
- Initialisation of the adaptation of the oil pressure regulators and electrovalves.
- Initialisation of the autoadaptatives.
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PROCEDURE FOR INITIALISATION OF THE AUTOMATIC GEARBOX ECU
Replacement of the automatic gearbox and of the automatic gearbox ECU.
Carry out the following operations:
- Initialisation of the autoadaptatives.
- Resetting the oil usage counter to zero.
- Initialisation of the adaptation of the oil pressure regulators and electrovalves.
Draining of the automatic gearbox oil.
Carry out the following operations:
- Initialisation of the adaptation of the oil pressure regulators and electrovalves.
- Resetting the oil usage counter to zero.
NOTE:If downloading the automatic gearbox ECU, there is no specific operation, follow the procedure in the diagnostic tool.
IMPERATIVE: For a certain time, having carried out an ECU initialisation procedure, one may obtain gear changing quality that is more
or less good (adaptation of the ECU parameters to the gearbox). To improve the quality, it is necessary to perform a road test with
frequent changing through the gears (auto-adaptive laws).
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DRAINING, FILLING AND TOPPING UP THE AM6 AUTOMATIC GEARBOX
Tool.
[1] Filling cylinder: (-).0340
Respect the safety and cleanliness requirements.
Draining.
IMPERATIVE: Draining of the gearbox must be done with the oil hot (60°C minimum), in order to
ensure that the impurities in suspension in the oil are eliminated.
NOTE:Drainage is only partial, as the torque converter cannot be drained totally.
Raise the vehicle.
Remove:
- The oil level plug (2)by means of the Torx spanner.
- The drain plug (1)using a hexagonalspanner.
NOTE :Around 3 litresof oil should flow out.
Filling.
Fit the drain plug (1)(with a new seal).
Tighten the plug (1)to: 5 ± 1 mdaN.
Remove:
- The air filter housing.
- The oil filler plug (3).
Use tool [1].
B2CP3WZCB1BP317C
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DRAINING, FILLING AND TOPPING UP THE AM6 AUTOMATIC GEARBOX
WARNING: Do not take account of the information mentioned on tool [1].
Oil capacity for a dry gearbox: 7 litres (approx.).
Type of oil: JWS 3309 ESSO(red in colour).
Volume of oil remaining after draining: 4 litres (approx.).
Quantity of oil to be added: 3 litres (approx.).
Refit the filler plug (3)(with a new seal).
Tighten the plug (3)to: 4 ± 1 mdaN.
Initialise the oil usage counter (follow the procedure in the diagnostic tool).
Checking the oil level.
Prior conditions:
- Vehicle in a horizontal position.
- Check that the gearbox is not in back-up mode.
Remove the filler plug (3).
Add 0.5 litreof extra oil into the gearbox.
Press the brake, change through all the gears.
Gear lever in position "P".
Engine running, at idle:
- Oil temperature 60°C (+ 8 ; - 2)(parameter measures with a diagnostic tool).
- Remove the level plug (2).
B2CP3WZCB1BP317C
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