Engine Control System INFINITI QX56 2004 Factory Service Manual

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FRONT WIPER AND WASHER SYSTEM
Revision: August 20072004 QX56
FRONT WIPER AND WASHER SYSTEMPFP:28810
Components Parts and Harness Connector LocationEKS007F5
System DescriptionEKS007F6

Both front wiper relays are located in IPDM E/R (intelligent power distribution module engine room).

The wiper switch (combination switch) is composed of a combination of 5 output terminals and 5 input ter-
minals. Terminal combination status is read by the BCM (body control module) when the wiper switch is
turned ON.

BCM controls front wiper LO, HI, and INT (intermittent) operation.

IPDM E/R operates the wiper motor according to CAN communication signals from the BCM.
Power is supplied at all times

to ignition relay, located in the IPDM E/R, and

through 50A fusible link (letter f , located in the fuse and fusible link box)

to BCM terminal 70, and

through 30A fuse (No. 39, located in the IPDM E/R)

to front wiper relay (located in the IPDM E/R).
With the ignition switch in ON or START position, power is supplied
WKIA3400E