Grand Cherokee 4WD V8-5.7L (2008)
procedures. Refer to the appropriate wiring information. However, conventional diagnostic methods will not prove conclusive in the diagnosis of the
washer pump/motor unit or the electronic controls or communication between other modules and devices that provide some features of the front and rear
wiper and washer system. The most reliable, efficient, and accurate means to diagnose the washer pump/motor unit or the electronic controls and
communication related to washer pump/motor unit operation requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.