Defect Code 90

Defect Code 90:

Malfunction: Malfunction in EDC:

Effect of defect: Partial/total failure of the EDC

Troubleshooting: The following causes are possible and should be investigated:

- Fuse No 32
- Fault in 12-Volt supply to control unit:

Terminal 15: Check wire and repair if necessary: From control unit connector X 263 Pin 4 to EDC relay K 67 and further to the connector chassis X 306 8.

Terminal 30: From connector X 945 Pin 26 to connector X 18134. If defect is not rectified, check wire from connector X 945 Pin 11 to connector X 18134 and
renew if necessary.

- Ground connection of control unit defective: Check wire and repair if necessary: From connector X 263 Pin 6 to EDC relay K 67 and from connector X 945 Pin 20 to ground.