Center coupling operation check

This function is used to drive the electronic control coupling (centre) with a control current of 3A for a maximum of 60 seconds.
Note:
The following checks in 4WD mode must be completed within one minute to protect the 4WD system's components.
When any of the conditions below is met, the forced activation will be cancelled:
Preconditions for the test:
The test can be performed only when all the following conditions are satisfied.
Procedure: