Diagnostic Trouble Code (DTC) Information

Condition 

The engine control module (ECM) checks the circuit for the injectors.

The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the signal for one of the injector circuits is missing.

The diagnostic trouble code (DTC) indicates which injector is being referred to.

• ECM-200B: injector 1
• ECM-201B: injector 2
• ECM-202B: injector 3
• ECM-203B: injector 4
• ECM-204B: injector 5.

The diagnostic trouble code (DTC) can be diagnosed when the engine is running.

Substitute Value 

• None.

Possible Source 

• Contact resistance in the terminals
• Open-circuit in the signal cable
• Open-circuit in the power supply to the injector
• Damaged injector.

Fault symptom[s] 

• Malfunction indicator lamp (MIL) lit
• The engine is not firing on all cylinders.