Warning! Do not turn on the glow plugs in the removed state, because there is a risk of injury (burn) and fire.
Do not measure the current strength at the glow plugs of the engine.
Carry out a glow plug test with a BMW multimeter or tester «Beru», according to the manual for these devices. Replace damaged glow plugs and assemble engine.
Note. If during the test one of the glow plugs turned out to be faulty, the following items must be checked:
- wire from the relay to the glow plug;
- connector on the glow plug; activate the glow plug relay;
- check the fuse for 100 A.
In the future, refer to the Electrical/Electronics Diagnostic Manual, Section 1360, «Digital electronic diesel engine management system».
Read and erase information from the fault memory of the ECU system «DDE». Check the functioning of the DDE system.