DTC DETECTION LOGIC

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P2440
Air cut solenoid valve (bnak1) stuck open
  • ECM detects that the air cut solenoid valve (bank 1) is stuck open.
  • ECM detects that the air cut solenoid valve (bank 1, bank 2 or both bank) is stuck open.
  • Harness or connectors
    (Air cut solenoid valve circuit is open or shorted.)
    (Air cut solenoid valve relay circuit is open or shorted.)
  • Air cut solenoid valve
  • Air cut solenoid valve relay
P2442
Air cut solenoid valve (bnak2) stuck open
  • ECM detects that the air cut solenoid valve (bank 2) is stuck open.

 
 DTC CONFIRMATION PROCEDURE

 
 1.CHECK SECONDARY AIR INJECTION SYSTEM MASS AIR FLOW SENSOR
 
 2.PRECONDITIONING
 
 3.PERFORM DTC CONFIRMATION PROCEDURE