Pinpoint Test D: The Washer Pump Is Inoperative

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

D1 CHECK THE MULTI-FUNCTION SWITCH INPUT TO THE SJB - MONITOR SJB PID WIPER_W
- Key in ON position.
- Monitor the SJB PID Wiper_W while moving the multi-function switch to the WASH position.
- Does the PID value agree with the multi-function switch position when WASH is selected?
Yes : GO to D4.

No : GO to D2.
D2 CHECK THE MULTI-FUNCTION SWITCH
- Key in OFF position.
- Disconnect: Multi-function Switch C202.
- Carry out the multi-function switch component test, Refer to COMPONENT TESTING .
- Did the multi-function switch pass the component test?
Yes : GO to D3.

No : INSTALL a new multi-function switch. REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation.
D3 CHECK CIRCUIT CRW07 (GY/BN) FOR AN OPEN
- Disconnect: Smart Junction Box (SJB) C2280d.
- Key in OFF position.
- Measure the resistance between multi-function switch C202-10, circuit CRW07 (GY/BN), harness side and smart junction box (SJB) C2280d-31, circuit CRW07 (GY/BN), harness side.
  
  Fig 1: Checking Circuit CRW07 (GY/BN) For Open
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
Yes : GO to D6.

No : REPAIR the circuit. TEST the system for normal operation.
D4 CHECK CIRCUIT GD1230 (BK/GY) FOR AN OPEN
- Key in OFF position.
- Disconnect: Washer Pump C137.
- Measure the resistance between washer pump C137-2, circuit GD1230 (BK/GY), harness side and ground.
  
  Fig 2: Checking Circuit GD1230 (BK/GY) For Open
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
Yes : GO to D5.

No : REPAIR the circuit. TEST the system for normal operation.
D5 CHECK CIRCUIT CRW14 (BU/WH) FOR VOLTAGE
- 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 CRW14 (BU/WH), harness side and ground.
  
  Fig 3: Checking Circuit CRW14 (BU/WH) For Voltage
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
Yes : INSTALL a new windshield washer pump. REFER to WASHER PUMP . TEST the system for normal operation.

No : VERIFY SJB fuse 14 (15A) is OK. If OK, GO to D6.
D6 CHECK FOR CORRECT SJB OPERATION
- Disconnect all the SJB connectors.
- Check for:
  - Corrosion.
  - Pushed-out pins.
- Connect all the SJB connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes : INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . TEST the system for normal operation.

No : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.