Pinpoint Test E: The Windshield Wipers Do Not Operate Correctly In The Mist Position

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Test Step

E1 CHECK THE MULTIFUNCTION SWITCH
- Key in OFF position.
- Disconnect: Multifunction Switch C202b.
- Carry out the multifunction switch component test. Refer to COMPONENT TESTING - F250-F550 SUPER DUTY PICK for component testing.
- Did the multifunction switch pass the component test?
Result / Action to Take
- Yes : GO to E2.
- No : INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES .
E2 CHECK CIRCUIT 57 (BK) FOR AN OPEN
- Measure the resistance between multifunction switch C202b pin 6, circuit 57 (BK), harness side and ground.
  
  Fig 1: Checking Circuit 57 (BK) For An Open
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes : GO to E3.
- No : REPAIR the circuit. TEST the system for normal operation.
E3 CHECK CIRCUIT 589 (OG) FOR AN OPEN
- Disconnect: Windshield Wiper Motor C125.
- Measure the resistance between multifunction switch C202b pin 5, circuit 589 (OG), harness side and windshield wiper motor C125 pin 12, circuit 589 (OG), harness side.
  
  Fig 2: Measuring Resistance Between Multifunction Switch C202B Pin 5 Circuit 589 And Windshield Wiper Motor C125 Pin 12
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes : GO to PINPOINT TEST F .
- No : REPAIR the circuit. TEST the system for normal operation.