Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-436C

Condition




The engine control module (ECM) monitors the power consumption of the pump for the leak diagnostic unit when the leak diagnostic is run.
The diagnostic trouble code (DTC) is stored if the power consumption of the pump is higher than a certain value during the reference phase.
The diagnostic trouble code (DTC) can be diagnosed when leak diagnostics 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 filter in the leak diagnostic unit
- Blocked hose between the filter and the leak diagnostic unit
- Damaged leak diagnostic unit.

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