Conditions for Running the DTC

P228A

• The engine is running.
• Ignition voltage is greater than 11 V.
• The Fuel rail pressure is being controlled by fuel pressure regulator 1 in closed loop.
• The DTCs runs continuously once the above conditions are met.

P228B

• The engine is running.
• Ignition voltage is greater than 11 V.
• The Fuel rail pressure is being controlled by fuel pressure regulator 2 in closed loop.
• The DTCs runs continuously once the above conditions are met.