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Windshield Wiper & Washer Related

sperry

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Note: Content within this and other topics in this section are for CAFCNA Members only. It is NOT for commercial use in ANY form, by anyone. (Except GM)
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Wiper/Washer System Description and Operation (03 Referenced)

Windshield Wiper/Washer System Components

The windshield wiper/washer system consists of the following components:

    ? Windshield wiper/washer switch
    ? Windshield wiper motor module
    ? Windshield washer pump
    ? Windshield washer relay
    ? W/S WIPER 25A fuse
    ? W/S WASH 15A fuse

Wiper/Washer System Operation

  The windshield wiper motor module controls the windshield wiper motor and washer pump operation. The windshield wiper motor is a 2 speed motor and is operated at low speed in all modes except HIGH. The accessory voltage supply circuit to the windshield wiper motor provides the power for operating the wiper motor module. The windshield wiper switch supply voltage circuit is a 12-volt reference from the wiper motor module to the wiper/washer switch. The WASH, MIST, LOW, and DELAY modes are controlled by the windshield wiper/washer switch through a series of internal resistors, and the switch position determines the point on the resistor assembly where the reference voltage is applied. The windshield wiper switch signal circuit supplies the signal voltage from the switch assembly to the wiper motor module which determines the operating mode. Windshield wiper motor high speed operation is controlled by the windshield wiper/washer switch through the windshield wiper switch high signal circuit. The windshield wiper switch high signal circuit is supplied 12 volts by the wiper motor module and when the wiper/washer switch is turned to the HIGH position the windshield wiper switch high signal circuit is grounded. The windshield washer pump is controlled by the wiper motor module through the windshield washer relay. The windshield washer relay coil and switch is supplied battery positive voltage, and during WASH mode the wiper motor module grounds the washer relay control circuit energizing the relay. While the relay coil is energized battery positive voltage to the switch side of the relay is supplied to the washer pump control circuit.

Check Washer Fluid Message

  The Check Washer Fluid message is controlled by the instrument panel cluster using an input from the washer fluid level switch. The washer fluid level signal circuit is supplied ignition voltage through a resistor then monitored within the instrument cluster. The washer fluid level switch is normally open so the instrument cluster detects ignition voltage on the washer fluid level signal circuit whenever the washer fluid level is not low. When the washer fluid reaches the point where the driver should be informed that the washer fluid is low, the washer fluid level switch closes. When the washer fluid level switch is closed the washer fluid level signal circuit voltage is pulled low, and the instrument panel displays the Check Washer Fluid message on the driver information center. In order to prevent the Check Washer Fluid message from being displayed while sloshing is occurring in the washer fluid container, the instrument cluster is programed with a 1 minute delay before changing states of the Check Washer Fluid message during an ignition cycle.
 

sperry

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Front Wiper/Washer Control (03 Referenced)

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sperry

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Wiper Arm Blade Replacement

Removal Procedure



  1. Turn the ignition switch to the ACCY position.
  2. Set the wiper switch to the PULSE position.
  3. Turn the ignition OFF when the wipers are in the innerwipe position and not moving.
  4. Push in the button of the wiper blade clip and remove the wiper blade from the inside radius of the wiper arm.



  5. Bring the wiper arm out through the opening in the wiper blade.

Installation Procedure



  1. Insert the hook of the wiper arm through the opening in the wiper blade.



  2. Position the wiper blade pivot in the inside radius of the wiper arm hook.
  3. Pull the wiper blade pivot into the wiper arm hook until the pivot locks into the hook.
  4. Operate the wipers and inspect for proper operation.
 

sperry

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Wiper Arm Replacement

Removal Procedure



  1. Mark the position of the wiper blade on the windshield with a suitable marker or a piece of masking tape.
  2. Disconnect the washer hose.
  3. Remove the cover from the nut on the wiper arm.
  4. Remove the nut from the wiper arm.

     Important: Use a battery terminal puller to remove the wiper arm from it's drive shaft.

  5. Remove the wiper arm from the drive shaft.
  6. Clean the knurls of the drive shaft with a wire brush.

Installation Procedure



  1. Position the wiper arm so that the wiper blade aligns with the mark made on the windshield before removal.
  2. Install the wiper arm onto the drive shaft.

     Notice: Refer to Fastener Notice.

  3. Install the nut on the drive shaft.

     Tighten
     Tighten the nut to 30 N?m (22 lb ft).

  4. Install the cover on the nut.
  5. Connect the washer hose.
  6. Clean the locating mark or masking tape from the windshield.
  7. Operate the wipers and inspect for proper operation.
 

sperry

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Wiper Blade Element Replacement

Removal Procedure



     Important:
     Replace the wiper blade element if it is removed from the wiper blade.


  1. Remove the wiper blade from the wiper arm. Refer to Wiper Arm Blade Replacement .
  2. Remove the bottom claws (2) of the wiper blade (1) from the notches in the wiper blade element (3).
  3. Pull the wiper blade element (3) out through the wiper blade claws (2).

Installation Procedure



     Important:
     Keep the wiper blade claws in the rubber claw channel of the wiper blade element. Do not allow the claws of the wiper blade to contact the metal spline of the wiper blade element
.

  1. Insert the open end of the wiper blade element (3) into the bottom claws of the wiper blade (2).
  2. Guide the wiper blade element (3) through the wiper blade (1) claw sets.
  3. Engage the bottom claw (2) of the wiper blade (1) into the notches in wiper blade element (3).
  4. Install the wiper blade onto the wiper arm. Refer to Wiper Arm Blade Replacement .
 

sperry

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Washer Pump/Reservoir Replacement

Removal Procedure



  1. Remove the battery and battery tray from the vehicle. Refer to Battery Tray Replacement.
  2. Remove the inner wheel housing from the vehicle. Refer to Wheelhouse Panel Replacement.
  3. Disconnect the electrical connector from the washer pump.
  4. Disconnect the electrical connector from the washer solvent level sensor.
  5. Disconnect the washer hose from the washer pump.
  6. Remove the upper bolt from the washer solvent container.



  7. Remove the lower bolts from the washer solvent container.
  8. Remove the washer solvent container from the vehicle.

Installation Procedure



  1. Install the washer solvent container into the vehicle.

     Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the lower bolts.

     Tighten
     Tighten the bolts to 9 N?m (80 lb in).



  3. Install the upper bolt.

     Tighten
     Tighten the bolt to 9 N?m (80 lb in).

  4. Connect the electrical connector to the washer pump.
  5. Connect the electrical connector to the washer solvent level sensor.
  6. Connect the washer hose to the washer pump.
  7. Install the inner wheel housing. Refer to Wheelhouse Panel Replacement.
  8. Install the battery and battery tray. Refer to Battery Tray Replacement.
 

sperry

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Washer Solvent Container Level Sensor Replacement

Removal Procedure



  1. Remove the washer solvent container. Refer to Washer Pump/Reservoir Replacement.
  2. Using a small flat-bladed tool, remove the washer solvent container level sensor (1) and seal (2) from the container.

Installation Procedure



  1. Position the washer solvent container level sensor (1) and the seal (2) to the container by pressing in until fully seated.
  2. Install the washer solvent container. Refer to Washer Pump/Reservoir Replacement.
 

sperry

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Wiper Motor Cover Replacement

Removal Procedure



  1. Turn the ignition key to the OFF position.
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  3. Remove the connector position assurance (CPA) and disconnect the wiper motor electrical connector.
  4. Remove the 3 screws (1) that secure the cover (5) to the wiper motor (2) and remove the cover.

      Important: If sealant was found on the old cover, it will be necessary to remove any old sealant from the motor housing.

  5. Inspect for sealant on the inside of the cover and then discard the cover and screws (1).
  6. Carefully remove the module (4) (circuit board) from the wiper motor by lifting up on the end of the module electrical connector (3).
  7. If necessary, remove any old sealant from the wiper motor housing.

Installation Procedure

  1. Install the module into the wiper motor housing, ensuring the module is fully seated. When fully seated, the edges of the module circuit board will be flush (even) with the motor housing along all side.



      Important: Only apply enough sealant to fill the groove in the cover.

  2. Carefully apply a bead of silicone sealant, GM P/N 12345739 (or GE-162 sealant or equivalent) in the groove (2) of the NEW cover (1). Remove any excess sealant that is outside of the groove.



      Important: When handling the new module cover, be careful not to bend the electrical contacts on the bottom side of the module (4).

  3. Install the new cover (5) on the wiper motor housing.
  4. Apply Loctite 598 to the screws prior to installation of the cover screws.

      Notice: Refer to Fastener Notice.

  5. Install the 3 screws (1)

    Tighten
      Tighten the screws to 2.6 N?m (23 lb in).

  6. Reconnect the wiper motor electrical connector to the wiper motor assembly.
  7. Install the CPA.
  8. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  9. Turn the ignition key to the ON position and inspect the wiper system for proper operation (delay/low/high/etc.).
 

sperry

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Wiper Motor Replacement

Tools Required

  ? J 39232 Wiper Transmission Separator
  ? J 39529 Wiper Transmission Installer

Removal Procedure



  1. Remove the wiper arms. Refer to Wiper Arm Replacement .
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  3. Remove the 4 bolts and the reinforcement panel.



  4. Disconnect the electrical connector from the wiper motor.



  5. Remove the 2 bolts from the wiper transmission assembly.
  6. Remove the wiper transmission assembly from the vehicle.



  7. Remove the drive link from the wiper motor crank arm with the J 39232 .



  8. Remove the 2 bolts retaining the wiper motor.
  9. Remove the wiper motor from the wiper transmission assembly.

Installation Procedure



    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the wiper motor onto the wiper transmission assembly with the 2 bolts.

     Tighten
     Tighten the 2 bolts to 8 N?m (71 lb in).



  2. Install the drive link onto the wiper motor crank arm with the J 39529 .



  3. Install the wiper transmission assembly on the vehicle with the 2 bolts.

     Tighten
     Tighten the 2 bolts to 9 N?m (80 lb in).



  4. Connect the electrical connector to the wiper motor .



  5. Install the reinforcement panel with the 4 bolts.

    Tighten
     Tighten the 4 bolts to 9 N?m (80 lb in).

  6. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  7. Install the wiper arms. Refer to Wiper Arm Replacement.
  8. Operate the wipers and check for proper operation.
 

sperry

Silent Avalanche RIP
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Wiper Transmission Replacement

Tools Required

  ? J 39232 Wiper Transmission Separator
  ? J 39529 Wiper Transmission Installer

Removal Procedure



  1. Remove the wiper arms. Refer to Wiper Arm Replacement .
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  3. Remove the 4 bolts and the reinforcement panel.



  4. Disconnect the electrical connector from the wiper motor.



  5. Remove the 2 bolts from the wiper transmission assembly.
  6. Remove the wiper transmission assembly from the vehicle.



  7. Remove the drive link from the wiper motor crank arm with the J 39232 .



  8. Remove the 2 bolts retaining the wiper motor.
  9. Remove the wiper motor from the wiper transmission assembly.

Installation Procedure

Notice: Refer to Fastener Notice in Cautions and Notices.



  1. Install the wiper motor onto the wiper transmission assembly with the 2 bolts.

     Tighten
     Tighten the 2 bolts to 8 N?m (71 lb in).



  2. Install the drive link onto the wiper motor crank arm with the J 39529 .



  3. Install the wiper transmission assembly on the vehicle with the 2 bolts.

     Tighten
     Tighten the 2 bolts to 9 N?m (80 lb in).



  4. Connect the electrical connector to the wiper motor .



  5. Install the reinforcement panel with the 4 bolts.

    Tighten
     Tighten the 4 bolts to 9 N?m (80 lb in).

  6. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  7. Install the wiper arms. Refer to Wiper Arm Replacement .
  8. Operate the wipers and inspect for proper operation.
 

sperry

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WSW Component Locations - Left Rear Underhood-Front of Dash

(1) Windshield Wiper Motor Module Electrical Connector
(2) Cruise Control Module (CCM) Connector
(3) Plenum Panel
(4) Cruise Control Module
(5) P100
(6) Dash Panel
(7) Cap For Connector, Without Cruise Control
(8} Cruise Control Module (CCM) Connector
(9) Harness Pass Through
(10) Windshield Wiper Motor Module

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sperry

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LF Corner of the Vehicle -- Wiper/Washer Components

(1) Forward Lamp Harness
(2) Windshield Washer Reservoir
(3) Windshield Washer Fluid Pump Connector
(4) Washer Fluid Level Sensor Connector

(5) Radiator Support

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sperry

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Steering Column Components - location - 03 Referenced

(1) Hazard Button
(2) High Beams/Cruise/Wiper/Washer
(3) Cruise Control Switches
(4) Tilt Steering Actuator
(5) Inflatable Restraint Harness
(6) C201 Inline Connector

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sperry

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WSW Fastener Tightening Specifications

 

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itsstopher

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2003 Windshield Wiper Motor Module Connector

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2002 Wiper schematic click pic to expand it

 

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2002 Windshield Wiper Motor Module

02wipermoterconn.JPG



Connector Part Information
12129126
5-Way F METRI PAC 150 280 Sealed (BLK)

Pin        Wire Color        Function

A               BLK              Ground

B               YEL               Accessory Voltage

C               PPL              Windshield Wiper Motor High Speed

D           DK GRN            Windshield Wiper Switch On Signal

E              GRY               Windshield Wiper Switch Low/Pulse Signal
 
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