P0069 MAP Sensor Too High or Too Low

DTC    P0069    MAP Sensor Too High or Too Low


 

DESCRIPTION

To detect atmospheric pressure, the atmospheric pressure sensor built into the ECM is used in the common rail system. Following the changes in the atmospheric pressure, the ECM corrects the fuel injection volume, timing and duration, and adjusts the common rail internal fuel pressure for optimizing combustion.
 

DTC No.DTC Detection ConditionTrouble Area
P0069Atmospheric pressure sensor malfunction
(2 trip detection logic)
ECM


 

INSPECTION PROCEDURE

1.CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0069)
  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch on (IG) and turn the tester ON.

  1. Enter the following menus: Powertrain / Engine and ECT / DTC.

  1. Read the DTCs.

     

    Result:
    Display (DTC Output)Proceed to
    P0069 and other DTCsA
    P0069B

    HINT:

    If codes other than P0069 are output, perform troubleshooting for those DTCs first.
 B
REPLACE ECM
 
A 
 
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