Defect Code 12

Defect Code 12:

Defect symptom:

The ASC multifunction lamp does not light alter ignition on.

Possible causes:

ASC multifunction lamp defective

Fault in voltage supply to multifunction lamp

ABS/ASC control unit not connected and poor connection at control unit connector

Troubleshooting:

Switch ignition off and on

Check plug connection at ABS/ASC control unit and repair if necessary Switch off ignition and disconnect ABS/ASC control unit

Apply ground to ABS/ASC control unit Pin 51 (short-circuit jumper) and observe ASC multi-function lamp

The ASC multifunction lamp does not light:

Remove instrument cluster, check ASC multifunction lamp and renew if necessary

Check voltage supply at the socket of the multifunction lamp and repair defective wire it necessary.

The ASC multifunction lamp lights:

Replace ABS/ASC control unit