today , i checked if it has speakers in the dashboard or not,
n the dashboard both speakers were present
Then i checked the rear doors,
but the speakers were not installed there.
it seems that they are not installed from factory, cz every seal and all things are original, seems like its door was not opened before.
wiring was present there inside the door, but the holes for installing speakers are not according to the standards on which my pioneer, jvc speakers are made.
i have tried all the scenarios, but only one screw can be tightened at one time, other holes are not in the corect position, maybe japanese standards for speakers screw holes are different.