Defect Code 03

Defect Code 03:

Explanation:

Ignition fade-out function faulty

Possible causes:

Short or break on the wire to the DME control units

Ignition fade-out malfunctioning in the DME control unit cylinder 1...6

ABS/ASC control unit defective

Troubleshooting:

Switch off ignition and disconnect both DME control units

Check wire from ABS/ASC control unit Pin 45 to the DME control units for a short to ground; repair wire if necessary

If wire is OK.:

Switch oft ignition and reconnect both DME control units

Start engine and set engine speed to approx. 2000 rpm

Bypass Pin 1 and Pin 45 at the ABS/ASC control unit. The engine speed must drop temporarily

Engine speed drops:

Replace ABS/ASC control unit and repeat test

Engine speed remains constant:

Check wire from ABS/ASC control unit Pin 45 to the DME control units for a short to plus or a break; repair wire if necessary.

If wire is OK, replace DME control unit cylinder 1 ...6 and repeat test.