Audi A8 2019 - Page 40

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Data exchange –Function diagram
Transmission Control Module J217 communicates over the FlexRay data bus system. Data Bus on Board Diagnostic Interface
J533 and the Instrument Cluster CAN data bus are used for communicating with Selector Lever Sensor System Control
Module J587.
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Functional diagram of the 8-speed automatic transmission 0D5 in the AudiA8
Key:
Ground cable
Positive cable
Signal line
LIN bus
Transmitted signal
Received signal
FlexRay line
G93 Transmission Fluid Temperature Sensor
G182 Transmission Input Speed Sensor
G195 Transmission Output Speed Sensor
G510 Temperature Sensor in Control Module
G747 Parking Lock Sensor
J217 Transmission Control Module
J500 Power Steering Control Module
J533 Data Bus on Board Diagnostic Interface (gateway)
J623 Engine Control Module
N88 Solenoid Valve 1
N215 Automatic Transmission Pressure Regulating Valve 1
N216 Automatic Transmission Pressure Regulating Valve 2
N217 Automatic Transmission Pressure Regulating Valve 3
N218 Automatic Transmission Pressure Regulating Valve 4
N233 Automatic Transmission Pressure Regulating Valve 5
N371 Automatic Transmission Pressure Regulating Valve 6
N433 Sub-Transmission 1 Valve 1
N486 Parking Lock Solenoid
N509 Transmission Fluid Cooling Valve
V475 Transmission Fluid Auxiliary Hydraulic Pump 1
FlexRay, to J500
FlexRay, to J500
FlexRay, to J533
FlexRay, to J533
P/N signal, start enable signal to J623
Ground activation N509