Pinpoint Test E: The Wash And Wipe Function Are Inoperative
WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
- E1 CHECK THE MULTIFUNCTION SWITCH
- Key in OFF position.
- Disconnect: Multifunction Switch C202.
- Carry out the multifunction switch component test. Refer to COMPONENT TESTING for component testing.
- Does the multifunction switch pass the component test?
- Yes : GO to E2.
- No : INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES .
- E2 CHECK CIRCUIT 31-KA19 (BK/RD) FOR AN OPEN
- Measure the resistance between the multifunction switch C202-2, circuit 31-KA19 (BK/RD), harness side and ground.
- Is the resistance less than 5 ohms?
- Yes : GO to E3.
- No : REPAIR the circuit. TEST the system for normal operation.
- E3 CHECK CIRCUIT 8-KA7 (WH/VT) FOR AN OPEN
- Disconnect: Windshield Wiper Motor C125.
- Measure the resistance between the multifunction switch C202-5, circuit 8-KA7 (WH/VT), harness side and the windshield wiper motor C125-12, circuit 8-KA7 (WH/VT), harness side.
- Is the resistance less than 5 ohms?
- Yes : GO to PINPOINT TEST F to diagnose the washer pump.
- No : REPAIR the circuit. TEST the system for normal operation.