If you browse this website you will be able to find what you need:
http://www.jeep4x4center.com/mopar/Jeep-grand-cherokee/backup-parking-sensor.htm
It does not have a mass airflow sensor.
It is located at the driver's fender side of the the throttle body.
Its the lock/latch mechanism
Under hood, center, upper engine area, mounted in driver side of water outlet
On my 97 jeep grand Cherokee, with the 5.2 liter v8, its located in the distributor, under cap & rotor.
The cam sensor should be located underneathe your distributor cap. That is the placement on my 98 Grand Cherokee and it should be located there as well on yours.
It does not have a mass airflow sensor.
The 1994 Jeep Grand Cherokee IAT sensor can be found attached to the air intake hose. The IAT sensor will be near the air filter box.
Usually a crankshaft sensor is located on the bellhousing of the transmission
in a toilet
It is located at the driver's fender side of the the throttle body.
Three wire sensor on the throttle body.
It goes into the top of bell housing.
The speed sensor is located on the drivers side of the transfercase, you will see a sensor with a connector, that is your sensor.
It is inside the transmission, on the passenger side of the valve body.
driver side on the back of the motor where is crak sensor on 94 jeep 4.0 grand Cherokee
It is on the top passsenger side of the bell housing.