LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2116 (Wiper System And Washer System) >> Diagnostic Tests >> Wipers and Washers >> Pinpoint Tests >> Pinpoint Test H: The Washer Pump is Inoperative >> Pinpoint Test H: The Washer Pump Is Inoperative

Pinpoint Test H: The Washer Pump Is Inoperative

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. H1 CHECK CIRCUIT CRW24 (GY) FOR GROUND 
    • Disconnect: Washer Pump Motor C1397
    • Key in ON position.
    • Measure the resistance between washer pump C1397-1, circuit CRW24 (GY) harness side and ground.
      • Fig 1: Measuring Resistance
      GF0041889Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  H3.
    2. NO  : Go to  H2.
  2. H2 CHECK CIRCUIT CRW24 (GY) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: Windshield Wiper Motor C125
    • Measure the resistance between windshield wiper motor C125-7, circuit CRW24 (GY), harness side and washer pump C1397-1, circuit CRW24 (GY) harness side.
      • Fig 2: Measuring Resistance
      GF0041890Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  H14.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  3. H3 CHECK CIRCUIT CRW23 (VT/GN) FOR GROUND 
    • Measure the resistance between washer pump C1397-2, circuit CRW23 (VT/GN) harness side and ground.
      • Fig 3: Measuring Resistance
      GF0041891Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  H6.
    2. NO  : Go to  H4.
  4. H4 CHECK CIRCUIT CRW23 (VT/GN) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: Rear Window Wiper Motor C476
    • Measure the resistance between rear window wiper motor C476-6, circuit CRW23 (VT/GN), harness side and washer pump C1397-2, circuit CRW23 (VT/GN) harness side.
      • Fig 4: Measuring Resistance
      GF0041892Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  H5.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  5. H5 CHECK CIRCUIT GD149 (BK/GY) FOR AN OPEN 
    • Measure the resistance between rear window wiper motor C476-5, circuit GD149 (BK/GY), harness side and ground.
      • Fig 5: Measuring Resistance
      GF0041893Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  H15.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  6. H6 CHECK CIRCUIT CRW24 (GY) FOR VOLTAGE 
    • Key in ON position.
    • Measure the voltage between washer pump C1397-1, circuit CRW24 (GY) harness side and ground while depressing the multi-function switch to the wash position.
      • Fig 6: Measuring Voltage
      GF0041894Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  H10.
    2. NO  : Go to  H7.
  7. H7 CHECK CIRCUIT CRW24 (GY) FOR A SHORT TO GROUND 
    • Key in OFF position.
    • Disconnect: Windshield Wiper Motor C125
    • Measure the resistance between washer pump C1397-1, circuit CRW24 (BU/WH) harness side and ground.
      • Fig 7: Measuring Resistance
      GF0041889Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    1. YES  : Go to  H8.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  8. H8 CHECK THE MULTI-FUNCTION SWITCH 
    • Disconnect: Multi-Function Switch C202
    • Carry out the Multi-Function Switch Component Test. Refer to appropriate COMPONENT TESTING article.
    • Did the multi-function switch pass the component test? 
    1. YES  : Go to  H9.
    2. NO  : INSTALL a new multi-function switch. REFER to STEERING COLUMN SWITCHES article. TEST the system for normal operation.
  9. H9 CHECK CIRCUIT CRW07 (GY/BN) FOR AN OPEN OR SHORT TO GROUND 
    • Measure the resistance between windshield wiper motor C125-12, circuit CRW07 (GY/BN) harness side and multi-function switch C202-10, circuit CRW07 (GY/BN) harness side; and between multi-function switch C202-10, circuit CRW07 (GY/BN) harness side and ground.
      • Fig 8: Checking Circuit For Open Or Short To Ground
      GF0021751Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms between multi-function switch and wiper motor; and greater than 10,000 ohms between multi-function switch and ground? 
    1. YES  : Go to  H14.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  10. H10 CHECK CIRCUIT CRW23 (VT/GN) FOR VOLTAGE 
    • Measure the voltage between washer pump C1397-2, circuit CRW23 (VT/GN) harness side and ground while depressing the multi-function switch to the rear wash position.
      • Fig 9: Measuring Voltage
      GF0041895Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    1. YES  : INSTALL a new washer pump. TEST the system for normal operation.
    2. NO  : Go to  H11.
  11. H11 CHECK CIRCUIT CRW23 (VT/GN) FOR A SHORT TO GROUND 
    • Key in OFF position.
    • Disconnect: Rear Window Wiper Motor C476
    • Measure the resistance between washer pump C1397-2, circuit CRW23 (VT/GN) harness side and ground.
      • Fig 10: Measuring Resistance
      GF0041891Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    1. YES  : Go to  H12.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  12. H12 CHECK THE MULTI-FUNCTION SWITCH 
    • Disconnect: Multi-Function Switch C202
    • Carry out the Multi-Function Switch Component Test. Refer to appropriate COMPONENT TESTING article.
    • Did the multi-function switch pass the component test? 
    1. YES  : Go to  H13.
    2. NO  : INSTALL a new multi-function switch. REFER to STEERING COLUMN SWITCHES article. TEST the system for normal operation.
  13. H13 CHECK CIRCUIT CRW20 (GY/YE) FOR AN OPEN OR SHORT TO GROUND 
    • Measure the resistance between rear window wiper motor C476-3, circuit CRW20 (GY/YE) harness side and multi-function switch C202-14, circuit CRW20 (GY/YE) harness side; and between multi-function switch C202-14, circuit CRW20 (GY/YE) harness side and ground.
      • Fig 11: Measuring Resistance
      GF0041896Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms between multi-function switch and wiper motor; and greater than 10,000 ohms between multi-function switch and ground? 
    1. YES  : Go to  H15.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  14. H14 CHECK THE WINDSHIELD WIPER MOTOR 
    • Disconnect all wiper motor connectors.
    • Check for:
      • liftgate glass open.
      • corrosion.
      • pushed-out pins.
    • Connect all wiper motor connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new windshield wiper motor. REFER to Wiper Motor - Windshield . TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  15. H15 CHECK THE REAR WINDOW WIPER MOTOR 
    • Disconnect all wiper motor connectors.
    • Check for:
      • liftgate glass open.
      • corrosion.
      • pushed-out pins.
    • Connect all wiper motor connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new rear window wiper motor. REFER to Wiper Motor - Rear Window . TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
scientia non olet · About LEMON Manuals