Overview - Transmission Control Component Location

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Fig 1: Locating Data Link Connector

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Component location: The DLC for the Vehicle Diagnostic Tester in inside the footwell on the driver side.
Before servicing the transmission, determine as best as possible the cause of the fault using the Vehicle Diagnostic Tester in Guided Fault Finding , Vehicle Self-Diagnosis and Test Instruments .

DSG Transmission Mechatronic -J743-, Valves, Sensor and Transmission Input RPM Sensor

Fig 2: Identifying Mechatronic, Tightening Sequence

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Component location: The DSG Transmission Mechatronic -J743- is attached to the transmission housing at the bottom and covered by the transmission fluid pan.

NOTE:

The Mechatronic unit incorporates the hydraulic control, the Transmission Control Module (TCM), the multifunction transmission range switch and the sensors and actuators as a complete synchronized unit.

On Board Diagnostics (OBD) checks all the components named.

MECHATRONIC, REMOVING AND INSTALLING .

Gear Selector, Mechatronic Temperature Sensor in the Overview

Fig 3: Gear Selector, Mechatronic Temperature Sensor In Overview

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Circuit Board 1 --
Gear selector module
Gear Position Distance Sensor 1 -G487- for gear position 2-R
Gear Position Distance Sensor 2 -G488- for gear position 1-3
Gear Position Distance Sensor 3 -G489- for gear position 7-5
Gear Position Distance Sensor 4 -G490- for gear position 4-6
Clutch Oil Temperature Sensor -G509-
Transmission Input Speed Sensor 3 -G641- for the clutch input speed sensor
Circuit Board 2 --
Electro-hydraulic control module

The Circuit Board 1 -- and Circuit Board 2 -- can be individually removed and installed, for a description of the procedure. Refer to "S tronic Transmission Internal Components". Refer to OVERVIEW - MECHATRONIC .

Mechatronic Connectors and Sensor Module

Fig 4: Mechatronic Connectors And Sensor Module Overview

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Mechatronic connectors:

Transmission control module to circuit board 1
Transmission control module to circuit board 2
Circuit Board 2
Sensor Module -- connector at the wiring set
Drive Position Sensor -G676-
Circuit board 3 in the sensor module
Transmission Input Speed Sensor 1 -G632-
Transmission Input Speed Sensor 2 -G612-
Wire set with wiring channel
Transmission control module to vehicle wiring harness
Transmission control module to sensor module
Transmission control module

The components -4 through 8- are marked as Sensor Module --.

Fig 5: Identifying Bolt & Sensor Module

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The Sensor Module -- -2- is installed in the transmission intermediate housing.

The following components are integrated on the Sensor Module -- :

Drive Position Sensor -G676-
Transmission Input Speed Sensor 1 -G632-
Transmission Input Speed Sensor 2 -G612-
Circuit board 3

-- Sensor Module -- removing and installing. Refer to the service information "S tronic Transmission Internal Components". Refer to Sensor Module --, WITH INTEGRATED TRANSMITTERS AND SENSORS -G612-, -G632-, -G676 - AND Circuit Board 3 --, REMOVING AND INSTALLING .

Transmission Range Display -Y6-

Fig 6: Identifying Transmission Range Display -Y6-

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Component location: The Transmission Range Display -Y6- is integrated in the instrument cluster.

NOTE:

Replace the instrument cluster if one of the transmission range displays is faulty. Refer to Instrument Cluster -KX2-, REMOVING AND INSTALLING .

Fig 7: Selector Lever Sensor System Control Module -J587-

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Component location: The Selector Lever Sensor System Control Module -J587- -2- is clipped to the gearshift mechanism function unit -arrows-.

Selector Lever Sensor System Control Module -J587-, REMOVING AND INSTALLING .

Fig 8: Identifying Shift Lock Solenoid N110

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Component location: The Shift Lock Solenoid -N110- -1- is clipped to the selector mechanism.

Refer to Shift Lock Solenoid -N110-, REMOVING AND INSTALLING .

Fig 9: Identifying Transmission Park Selector Switch F305

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Component location: The Transmission Park Selector Switch -F305-, which consists of two reed contacts -1- and -2-, is installed on the circuit board -B- on the Shift Lock Solenoid -N110- -item A-.

NOTE:

The Transmission Park Selector Switch -F305- can only be replaced together with the Shift Lock Solenoid -N110-.

Refer to Shift Lock Solenoid -N110-, REMOVING AND INSTALLING .

There are different versions and component locations depending on the date of manufacture

Transmission Fluid Temperature Sensor 2 -G754-

Fig 10: Identifying Transmission Fluid Temperature Sensor

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The 7-speed S tronic transmission 0B5 (S tronic) has an additional Transmission Fluid Temperature Sensor 2 -G754- to monitor the transmission fluid temperature of the wheel set on certain engine versions.

Component location: Transmission Fluid Temperature Sensor 2 -G754- is installed in the transmission near the transmission fluid pan.
Depending on the date of manufacture there are different versions and component locations. Refer to the service information "S tronic Transmission Internal Components". Refer to "S tronic Transmission Internal Components". Refer to Transmission Fluid Temperature Sensor 2 -G754-, REMOVING AND INSTALLING .

Fig 11: Removing Selector Lever Transmission Range Position Display Unit

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Component location: The Selector Lever Transmission Range Position Display Unit -Y26- -1- is clipped to the center console.

Selector Lever Transmission Range Position Display Unit -Y26-, REMOVING AND INSTALLING .

Fig 12: Component Location Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185

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A specific value from the Accelerator Pedal Position Sensor -G79- and the Accelerator Pedal Position Sensor 2 -G185- is stored in the engine control module.

Component location: The accelerator pedal position sensors are integrated inside the accelerator pedal module -arrow-.

NOTE:

The accelerator pedal module must be replaced if the accelerator pedal position sensor is faulty. Refer to ACCELERATOR PEDAL POSITION SENSORS -G79- / -G185-, REMOVING AND INSTALLING .