Diagnostic trouble code (DTC) information ECM-140D

Condition 

The diagnostic trouble code (DTC) is stored if there is a short-circuit to supply voltage in the outside temperature sensor.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute Value 

• The value is taken from the intake air temperature (IAT) sensor.

Possible Source 

• Contact resistance in the terminals
• Short-circuit to supply voltage in the signal cable
• Open-circuit in the signal cable
• Damaged outside temperature sensor.

Fault symptom[s] 

• Malfunction indicator lamp (MIL) lit.