Diagnostic trouble code (DTC) information ECM-4310
Condition
The engine control module (ECM) checks the control signal to the leak diagnostic pump.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers a fault in the control signal to leak diagnostic pump.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- The leak diagnostic is cancelled.
Possible Source
Signal too high
- Short-circuit to supply voltage in the signal cable
- Damaged leak diagnostic pump.
Signal too low
- Short-circuit to ground in the signal cable
- Open-circuit in the signal cable
- Damaged leak diagnostic pump.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.