194003953 - 5505AB CHECK DIESEL PREHEATING RELAY PROTECTION FUSE

STEPCHECK TO BE PERFORMEDRESOLUTION IF THE CHECK IS NOT OK
1Turn the ignition key OFF.Reconnect all the disconnected components and disconnect all the consumers.Fit a new 20 A fuse and then check it is operating correctlyRestore the connections or replace relay T19 if necessaryOp. 1060G88 DIESEL INJECTION SYSTEM RELAYS - R R
2Turn the ignition key ON.Check that fuse F20 cuts inA temporary current overload has occurred in the system behind fuse F20.Restore the connections or, if necessary, replace the junction unit in the engine compartment    Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R.
3Turn the ignition key OFF.In the engine compartment junction unit    See B001 ENGINE COMPARTMENT JUNCTION UNITremove relay T19 from the base unit (it is the first on the right in the bottom row).Connect a shunt connection cable with a fuse between the base unit of relay T19 and the battery positive.Turn the ignition key ON.Check that the shunt connection fuse does not cut inRestore the connections or replace relay T19 if necessaryOp. 1060G88 DIESEL INJECTION SYSTEM RELAYS - R R
4Replace relay T19Op. 1060G88 DIESEL INJECTION SYSTEM RELAYS - R R