DTC P0069 MAP Sensor Too High or Too Low
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.
Toyota fault code list DTС P0069
|DTC Detection Condition
|Atmospheric pressure sensor malfunction
(2 trip detection logic)
P0069 Inspection procedure
|1.CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0069)
Connect the intelligent tester to the DLC3.
Turn the ignition switch on (IG) and turn the tester ON.
Enter the following menus: Powertrain / Engine and ECT / DTC.
Read the DTCs.
Display (DTC Output) Proceed to P0069 and other DTCs A P0069 B
If codes other than P0069 are output, perform troubleshooting for those DTCs first.