194003952 - 5505AE ENGINE MANAGEMENT CONTROL UNIT POWER SUPPLY FUSE CIRCUIT CHECK (AUTOMATIC TRANSMISSION)
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Turn the ignition key OFF.Turn off all the electrical consumers.Reinsert fuse F18 in the engine compartment junction unit baseTurn the ignition key ON and check the fuse blows | A temporary current overload has occurred in the system behind fuse F18. |
| 2 | Disconnect the cable loom connector from the engine management control unit connector A.Refit fuse F18 in the control unit base See B001 ENGINE COMPARTMENT JUNCTION UNITand check it cuts in. | Replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R |
| 3 | Turn the ignition key OFF.Disconnect the connector for the cable loom from the automatic transmission gear selection control unit.Refit fuse F18 in the control unit base See B001 ENGINE COMPARTMENT JUNCTION UNITTurn the ignition key ON and check that in intervenes. | Move on to Step 5 |
| 4 | If faults occur, repair or if necessary replace the wiring between the gearbox control unit and the engine compartment junction unit See E7050 AUTOMATIC TRANSMISSIONThe test can be considered over | Replace the engine compartment junction unit Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R. |
| 5 | Replace the control unit Op. 2130B48 GEAR SELECTOR ON AUTOMATIC TRANSMISSION - R R | |
| 6 | Turn the ignition key OFF.Disconnect the connector for the cable loom from the automatic transmission control unit.Refit fuse F18 in the control unit base See B001 ENGINE COMPARTMENT JUNCTION UNITTurn the ignition key ON and check that in intervenes.move on to Step 8 | Move on to Step 7 |
| 7 | If faults occur, repair or if necessary replace the wiring between the gearbox control unit and the engine compartment junction unit See E7050 AUTOMATIC TRANSMISSIONThe test can be considered over | Replace the engine compartment junction unit Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R. |
| 8 | Replace the automatic transmission control unit Op. 2135B52 ELECTRONIC AUTOMATIC TRANSMISSION ELECTRIC CIRCUIT -ECU MOUNT R R |