Dtc P0069 Map Sensor Too High Or Too Low

Engine. Lexus Is250, Is220D. Gse20 Ale20
2Ad-Fhv Engine Control System. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

INSPECTION PROCEDURE

CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0069)

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 Condition
Trouble Area
P0069
Atmospheric pressure sensor malfunction
(2 trip detection logic)
ECM

INSPECTION PROCEDURE

1.CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0069)

  1. Read the DTCs using the intelligent tester.

    Result:

    Display (DTC output)
    		Proceed to
    P0069 and other DTCs
    		A
    P0069
    		B
    HINT:
    If codes other than P0069 are output, perform troubleshooting for those DTCs first.


B
REPLACE ECM
A

GO TO DTC CHART