Electrical/electronic components and locations: Notes

Fig 1: View Of Electrical/Electronic Components

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - All-Wheel Drive Control Module -J492-

• Component location: All-Wheel Drive Control Module -J492- 
• Forms a unit together with Oil Pressure Actuator -V184- and Hydraulic Temperature Sensor -G271-.
• Overview of control modules
• Removing and installing

2 - Engine Control Module (ECM)

• Component location: Engine Control Module (ECM), removing and installing 
• Following signals are transmitted to All-Wheel Drive Control Module -J492- via data-BUS:
• Engine speed (RPM)
• Accelerator pedal position

• Engine torque
• Removing and installing → 24 - MULTIPORT FUEL INJECTION (MFI)

3 - ABS Control Module -J104-

• Component location: At hydraulic unit on left side of engine compartment
• Following signals are transmitted to All-Wheel Drive Control Module J492 via data-BUS:
• Wheel speeds
• Longitudinal acceleration

• Brake operation
• Removing and installing → 45 ANTI-LOCK BRAKE SYSTEM

4 - Haldex Clutch Pump -V181-

• Component location: Haldex Clutch Pump -V181- 
• Can be tested in "Guided Fault Finding" using Vehicle Diagnosis, Testing and Information system VAS 5051
• Removing and installing → Haldex Clutch Pump -V181- , removing and installing 

5 - Data Link Connector (DLC)

• Component location: Under instrument panel to left of steering column

6 - Brake light switch -F-

• Component location: At brake pedal
• Can be tested in "Guided Fault Finding" using Vehicle Diagnosis, Testing and Information system VAS 5051
• Removing and installing → 46 BRAKES - MECHANICAL COMPONENTS

7 - Parking brake warning light switch -F9-

• Component location: Parking Brake Warning Light Switch -F9- , removing and installing 
• Can be checked in "Guided Fault Finding" using VAS 5051
• Removing and installing → 46 BRAKES - MECHANICAL COMPONENTS