DME Main Relay

DME Main Relay:

Check function:

•D• 2 - With ignition ON or during engine operation, the main relay is actuated with ground potential at terminal 85 (display: ON). The relay switches on and supplies voltage to the control units DME, EGS, EML and ABS.

Possible cause:

- Wire to the DME control unit Pin 27 defective

- Relay or voltage supply not OK.

- Voltage supply for DME control unit not OK.

- The control unit is defective if no ground potential is output at control unit Pin 27 (display: OFF) although the above points are OK.