7.20.9 Diagnostic features of EIM
Diagnostic lamp
A diagnostic lamp (LED DILA, green) is integrated in the housing of the Engine Interface Module.
It indicates the operating status of the EIM.
The DILA has the following functions:
• Diagnostic lamp lit:Engine Interface Module is OK
• Diagnostic lamp dark:Engine Interface Module supply voltage missing or diagnostic lamp activation is
faulty
• Diagnostic lamp flashes:Hardware or software fault in the Engine Interface Module
The diagnostic lamp (DILA) signals the following states:
1 Time in seconds
2 Timing: 1/8 s
3 Ready for operation
4 Application loader active
5 External RAM faulty
6 External FLASH faulty
7 No firmware
8 Application crashed
Fuse lamp
A second indicator is the fuse lamp SILA
This is also integrated in the housing of the Engine Interface Module. It indicates the status of the fuses.
An orange LED is provided to allow diagnosis of a “tripped fuse” fault directly at the unit as it is often
difficult to pinpoint a fault in the field without cabling diagrams.
This LED is activated by the controller.
Brief description of SILA:
• SILA darkNorma operating state
• SILA flashes orangeOne or more fuses have tripped
The fuse lamp (SILA) signals the following states:
MS150066/02E 2013-02 | Task Description | 225
TIM-ID: 0000038009 - 001
