Diagnostic trouble code (DTC) information

Condition 

Diagnostic trouble code (DTC) ECM-4010 is stored if the signal from the EVAP canister shut-off valve is too high, too low or missing.

Substitute Value 

None

Possible Source 

Signal too high: 

• short-circuit to supply voltage in the signal cable
• defective EVAP canister valve

Signal too low: 

• short-circuit to ground in the signal cable

Signal missing: 

• open-circuit in the signal cable
• defective EVAP canister valve
• contact resistance in terminals
• open-circuit in power cable

Fault symptom[s] 

• Malfunction indicator lamp (MIL) lit.