Test Point 21 - Fuel pump relay

TEST POINT 21 - Fuel pump relay - Digital Motor Electronics (DME) relay (V) - Fault code 1_42

Possible Cause, Elimination, Remarks
- Start engine - the fuel pump must operate during engine starting.

If not:




- Switch off ignition. Disconnect control unit plug. Use a test lead to connect terminal 36 and terminal 24 of the control unit plug. Using an additional test lead, connect terminal 3 of DME plug to ground (e.g. door stop). The pump must run.

If not: Check in accordance with wiring diagram