Pinpoint Test H: The Washer Pump Is Inoperative - Front

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

H1 CHECK THE MULTI-FUNCTION SWITCH
- Key in OFF position.
- Disconnect: Multi-function Switch C2081.
- Carry out the multi-function switch component test. Refer to COMPONENT TESTING .
- Did the multi-function switch pass the component test?
Yes : GO to H2.

No : INSTALL a new multi-function switch. REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation.
H2 CHECK CIRCUIT 686 (TN/RD) FOR VOLTAGE
- Connect: Multi-function Switch C2081.
- Disconnect: Windshield Washer Pump C137.
- Key in ON position.
- While activating the front washer pump using the multi-function switch, measure the voltage between windshield washer pump C137-1, circuit 686 (TN/RD), harness side and ground.
  
  Fig 1: Checking Circuit 686 (TN/RD) For Voltage
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
Yes : GO to H3.

No : REPAIR the circuit. TEST the system for normal operation.
H3 CHECK CIRCUIT 57 (BK) FOR AN OPEN
- Key in OFF position.
- Measure the resistance between windshield washer pump C137-2, circuit 57 (BK), harness side and ground.
  
  Fig 2: Checking Circuit 57 (BK) For Open
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
Yes : INSTALL a new windshield washer pump. REFER to WASHER PUMP - WINDSHIELD in this article. TEST the system for normal operation.

No : REPAIR the circuit. TEST the system for normal operation.