Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-436B

Condition




The engine control module (ECM) checks power consumption on the leak diagnostic unit pump.
A diagnostic trouble code is stored if the current consumption of the pump in the leak diagnostic unit varies too much during the reference phase.
The diagnostic trouble code (DTC) can be diagnosed when the leak diagnostic system is run.
For further information about leak diagnostics, see VIDA Design and Function.

Substitute value
The leak diagnostic is disabled.

Possible source
- Contact resistance in the terminals
- Blocked hose between the filter and the leak diagnostic unit
- Damaged leak diagnostic unit.

Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.