DTC DETECTION LOGIC

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0102
Mass air flow sensor (bank 1) circuit low input
An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors
    (The sensor circuit is open or shorted.)
  • Intake air leaks
  • Mass air flow sensor
P0103
Mass air flow sensor (bank 1) circuit high input
An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors
    (The sensor circuit is open or shorted.)
  • Mass air flow sensor
P010C
Mass air flow sensor (bank 2) circuit low input
An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors
    (The sensor circuit is open or shorted.)
  • Intake air leaks
  • Mass air flow sensor
P010D
Mass air flow sensor (bank 2) circuit high input
An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors
    (The sensor circuit is open or shorted.)
  • Mass air flow sensor

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0102 and P010C
 
 3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0103 and P010D-I
 
 4.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0103 and P010D-II