Differential Assembly: Locations
Electrical and Electronic Components and Locations
1 All wheel drive control module (J492)
• Comprises a unit together with the Haldex clutch control valve.
• A pressure sensor is also located in the control module.
• Removing and installing, refer to => [ All Wheel Drive Control Module ] .
• Important signals from the Engine Control Module (ECM) and the Anti-lock Brake System (ABS) control module are transmitted via data BUS to the all wheel drive control module.
2 Haldex clutch pump (V181)
• Can be tested in "Guided Fault Finding" with the vehicle diagnostic, testing and information system (VAS 5051).
• Removing and installing, refer to => [ Haldex Clutch Pump ] Service and Repair.
3 Data Link Connector (DLC)
• Location: Left front footwell
4 Electromechanical parking brake button (E538)
• With electromechanical parking brake indicator lamp.
• Location: in instrument panel, near light switch.
5 Brake light switch (F)
• Can be tested in "Guided Fault Finding" with the vehicle diagnostic, testing and information system (VAS 5051).
All Wheel Drive Control Module (J492)
Location: Control module - A - is located on the rear final drive in the left front area.
Haldex Clutch Pump (V181)
Location: Haldex clutch pump - arrow - is located on the rear final drive in the right front area.
Brake Light Switch (F)
Location: Brake light switch - arrow - is located on the brake master cylinder.