Power Source Mode Does Not Change

Power Source Mode does not Change

DESCRIPTION
If the certification ECU detects the key inside the vehicle when the shift lever position is P (A/T) and the brake pedal (A/T) or the clutch pedal (M/T) is not depressed, each press of the engine switch changes the power source mode in the given order: off, on (ACC), on (IG), off. If one of the DTCs shown in the given illustration is detected, correct the DTCs according to the DTC chart. If the power source mode is still malfunctioning, one of the following may have occurred: 1) the MPX circuit has a malfunction, 2) the certification ECU has determined that the electrical key is not inside the vehicle, 3) the engine switch has a malfunction, or 4) the power source control ECU has a malfunction.

Step 1:

Step 1(continued)-2:

INSPECTION PROCEDURE