ABS/ASC/DSC - Various Codes Stored

ABS/ASC/DSC - Various Codes Stored

SI M 34 01 04

Brakes

April 2002-2006

Technical Services

Advance Information

SUBJECT

Various Faults Stored in ABS/ASC/DSC

MODEL

R50/R53

SITUATION

Check Engine, Anti-lock Braking System (ABS), Automatic Stability Control (ASC), Dynamic Stability Control (DSC), or Flat Tire Monitor Lights

turned on. Various faults may be stored in ABS/ASC/DSC fault memory.

CAUSE

2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 117

Moisture penetrates the ABS/ASC/DSC control unit and wheel speed sensor connector causing corrosion on the pin contacts.

CORRECTION

1. Check for any indication that the moisture has penetrated the ABS/ASC/DSC control unit or the connectors for the wheel speed sensors.

2. Replace the following parts if moisture is present in the connectors or if the connectors are corroded.

a. Control unit:

^ Please refer to the BPC for correct control unit part numbers.

^ Please follow Repair Instructions 34 52 515 for Replacing ABS/ASC Control Unit or 34 52 516 for Replacing DSC Control Unit.

b. Connector housing

^ 47 - pin connector housing at the wiring harness for the ABS/ASC/DSC control unit, part number 61 13 0 306 846.

^ Female socket contacts (1.5 x 0.63 mm), part number 61 13 0 306 845 with sealing sleeve, part number 61 13 0 306 844.

^ Female socket contacts (5.2 x 0.63 mm), part number 61 13 0 146 396 with sealing sleeve, part number 61 13 0 146 397.

c. Wheel speed sensors (replace only if corroded)

^ 2-pin female socket housing at the wiring harness for the left and right wheel speed sensors, part number 61 13 0 390 476.

^ Female socket contacts (0.2 - 0.5 mm), part number 61 13 0 030 855.

^ Front left and right wheel speed sensors, part number 34 52 6 756 384.

^ Repair the wheel speed sensors by following Repair Instructions RA 34 52 525.

d. Terminal ring on the ABS ground pin

^ Important note:

When disconnecting the 47-pin and 2-pin connector from the wiring harness, make sure that the female socket contacts are not

removed from the housing. In addition, 1 cm of cable should remain on the female socket contacts and on the ground cable

terminal ring. Replaced parts will be requested through the warranty system for analysis. Therefore, take care not to damage

replaced parts during removal.

3. Apply di-electric contact grease, part number 83 23 0 149 149, to the contact areas of the new connector to prevent future moisture