Electrical/Electronic Components And Component Locations: Notes

1. All Wheel Drive Control Module -J492-
   • Installed location A4 Sedan, A5 Coupe and A5 Cabriolet. Refer to Fig 3
   • Installed location A4 Avant. Refer to Fig 4
   • Installed location A5 Sportback. Refer to Fig 5
   • Installed location A6 and A7. Refer to Fig 6
   • Installed location A8. Refer to Fig 7
   • Removing and installing. Refer to All Wheel Drive Control Module -J492-, REMOVING AND INSTALLING .
   • Additional work after replacing the control module. Refer to All Wheel Drive Control Module -J492-, ADDITIONAL WORK AFTER REPLACING .
   • Important signals from engine control module and ABS Control Module -J104- are transmitted via the Data bus to the All Wheel Drive Control Module -J492-.
2. ABS Control Module -J104-
   • Installation location, removing and installing. Refer to ABS Control Module -J104- /ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING (As of 01.2014) .
3. Diagnostic Connection
   • Installed location: Driver side footwell. Refer to Fig 2
   • Connect the Vehicle Diagnostic Tester and select the function. Refer to All Wheel Drive Control Module -J492-, REMOVING AND INSTALLING .
4. Hydraulic Control Unit
   • Component location: on rear final drive
   • Removing and installing. Refer to HYDRAULIC CONTROL UNIT, REMOVING AND INSTALLING .
   • Disassembling and assembling. Refer to HYDRAULIC CONTROL UNIT, DISASSEMBLING AND ASSEMBLING .
   • Hydraulic control unit with:
     • All Wheel Drive Pump -V415-
     • Oil Pressure/Temperature Sensor 2 -G640-
     • Oil Pressure/Temperature Sensor -G437-
     • All Wheel Drive Clutch Valve 2 -N446-
     • All Wheel Drive Clutch Valve -N445-
5. Display in Instrument Cluster

Component location: The data link connector for the Vehicle Diagnostic Tester is located in the driver side footwell.

Component location: The All Wheel Drive Control Module -J492- -A- is located in the spare wheel well in front of the battery.

Component location: The All Wheel Drive Control Module -J492- -1- is in the luggage compartment on the right in front of the spare wheel well.

Component location: the All Wheel Drive Control Module -J492- -1- is located on the right wheel housing behind the luggage compartment side trim panel. Refer to COMPONENT LOCATION OVERVIEW - LUGGAGE COMPARTMENT TRIM PANELS .

Component location: The All Wheel Drive Control Module -J492- -A- is located on the right in the spare wheel well.

Component location: The All Wheel Drive Control Module -J492- -A- is located on the left in the spare wheel well.