Front Wipers/Washers - Service Information: Description
An electrically operated intermittent front wiper and washer system is standard factory-installed safety equipment on this model. The front wiper and washer system includes the following major components, which are described in further detail elsewhere in this service information:
- Front Control Module - The front control module (FCM) (1) is integral to the integrated power module (IPM). The IPM is located in the engine compartment, near the battery. (Refer to ELECTRICAL/POWER DISTRIBUTION/INTEGRATED POWER MODULE - DESCRIPTION) .
- Front Washer Nozzles - Two fluidic front washer nozzles (2) are secured with integral retainers to dedicated openings in the hood located near the base of the windshield.
- Front Wiper Arms & Blades - The two front wiper arms (3) are secured with nuts to the threaded studs on the ends of the two wiper pivot shafts, which extend through the cowl plenum cover/grille panel located near the base of the windshield. The two front wiper blades are secured to the two front wiper arms with an integral latch, and are parked on the glass near the bottom of the windshield when the front wiper system is not in operation.
- Rain Sensor Module - A rain sensor module (RSM) (4) us used on models equipped with the optional automatic wiper feature. The RSM is located on a bracket bonded to the inside surface of the windshield glass, just to the right of the inside rear view mirror.
- Multi-Function Switch - The right (wiper) multi-function switch (5) is secured to the right side of steering column, just below the steering wheel. Only the control stalk for the switch is visible, while the remainder of the switch is concealed beneath the steering column shrouds. The right multi-function switch contains all of the switches for both the front and rear wiper and washer systems and is directly connected to the steering control module (SCM).
- Steering Control Module - The steering control module (SCM) (6) is secured to the steering column, just behind the steering wheel. The SCM sends all wiper/washer request signals to the front control module (FCM) (Refer to STEERING/COLUMN/STEERING COLUMN CONTROL MODULE - DESCRIPTION) .
- Front Wiper Module - The front wiper module (7) includes the wiper module bracket, three rubber-isolated wiper module mounts, front wiper motor, wiper motor crank arm, two wiper drive links and the two front wiper pivots. The front wiper pivot shafts are the only visible components of the front wiper module. The remainder of the module is concealed within the cowl plenum beneath the cowl plenum cover/grille panel.
- Washer Reservoir - The washer reservoir (8) is concealed between the left inner fender shield and the left outer fender panel, behind the inner fender liner and ahead of the left front wheel. The washer reservoir filler neck is the only visible portion of the reservoir and, it is accessed from the left front corner of the engine compartment.
- Washer Fluid Level Switch - The washer fluid level switch (9) is located in a dedicated hole on the lower outboard side of the washer reservoir, behind the inner fender liner ahead of the left front wheel, near the windshield washer pump.
- Wiper High-Low Relay - The wiper high-low relay is an International Standards Organization (ISO) micro relay located in the IPM in the engine compartment near the battery.
- Wiper On-Off Relay - The wiper on-off relay is an International Standards Organization (ISO) micro relay located in the IPM in the engine compartment near the battery.
- Windshield Washer Plumbing - The plumbing for the front washer system consists of rubber hoses and molded plastic fittings. The plumbing is routed along the left side of the engine compartment from the washer reservoir, and then to the underneath of the hood where it connects to the front washer nozzle fittings.
- Windshield Washer Pump - The windshield washer pump (10) is located in a dedicated hole on the lower outboard side of the washer reservoir, behind the inner fender liner ahead of the left front wheel, near the washer fluid level switch. The washer pump/motor supplies washer fluid to both the front and rear washer systems.
Hard wired circuitry connects the wiper and washer system components to the steering control module (SCM) and the front control module (FCM). These hard wired circuits are integral to several wire harnesses, which are routed throughout the vehicle and retained by many different methods. These circuits may be connected to each other, to the vehicle electrical system and to the wiper and washer system components through the use of a combination of soldered splices, splice block connectors, and many different types of wire harness terminal connectors and insulators. Refer to the appropriate wiring information in ELECTRICAL. The wiring information includes wiring diagrams, proper wire and connector repair procedures, further details on wire harness routing and retention, as well as pin-out and location views for the various wire harness connectors, splices and grounds.