System Description: Notes

Wiper switch (combination switch) is composed of a combination of 5 output terminals and 5 input terminals. Terminal combination status is read by BCM (body control module) when switch is turned ON.
BCM controls rear wiper ON and INT (intermittent) operation.
Power supplied at all times

through 50 A fusible link (letter M, located in fuse, fusible link and relay box)
to BCM terminal 55,
through 15 A fuse [No. 22, located in fuse block (J/B)]
to BCM terminal 42.

When ignition switch ON or START position, power is supplied

through 15 A fuse [No.1, located in fuse block (J/B)]
to BCM terminal 38,
through 10 A fuse [No. 84, located in IPDM E/R (intelligent power distribution module engine room)]
to combination switch terminal 14.
Ground is supplied

to BCM terminals 49 and 52
through grounds M35, M45 and M85,
to combination switch terminal 12
through grounds M35, M45 and M85.