System Description: Notes

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

The wiper switch (combination switch) is composed of a combination of 5 output terminals and 5 input terminals. Terminal combination status is read by the BCM (body control module) when switch is turned ON.
The BCM controls rear wiper ON and INT (intermittent) operation.

Power is supplied at all times

through 50A fusible link (letter f , located in fusible link box)
to BCM terminal 70.

With the ignition switch in ON or START position, power is supplied

through 10A fuse [No. 9, located in fuse block (J/B)]
to combination switch terminal 14, and
through 10A fuse (No. 59, located in the fuse and relay box)
to BCM terminal 38.

Ground is supplied

to BCM terminal 67 and
to combination switch terminal 12
through grounds M57, M61 and M79.