LEMON Manuals: Even more car manuals for everyone
Home >> Mercury >> 2008 >> Milan Base, 2.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1411 (Wiper System & Washer System) >> Diagnosis And Testing >> Wipers and Washers >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern.
  2. Visually inspect for obvious signs of mechanical or electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Windshield washer hoses
    • Wiper linkage
    • Battery Junction Box (BJB) fuse 9 (20A)
    • SJB fuse(s):
      • 23 (7.5A)
      • 14 (15A)
    • Circuitry
    • Multi-function switch
    • Windshield wiper motor
    • Windshield washer pump
    • SJB
  3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
    4. NOTE: Make sure to use the latest scan tool software release.
  4. If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).
    5. NOTE: The Vehicle Communication Module (VCM) LED prove out confirms power and ground from the DLC are provided to the VCM.
  5. If the scan tool still does not communicate with the VCM:
    • check the VCM connection to the vehicle.
    • check the scan tool connection to the VCM.
    • refer to MODULE COMMUNICATIONS NETWORK article, No Power To The Scan Tool, to diagnose no communication with the scan tool.
  6. If the scan tool does not communicate with the vehicle:
    • verify the ignition key is in the ON position.
    • verify the scan tool operation with a known good vehicle.
    • refer to MODULE COMMUNICATIONS NETWORK article to diagnose no response from the SJB.
  7. Carry out the network test.
    • If the scan tool responds with no communication for one or more modules, refer to MODULE COMMUNICATIONS NETWORK article.
    • If the network test passes, retrieve and record continuous memory DTCs.
  8. Clear the continuous DTCs and carry out the self-test diagnostics for the SJB and the Wiper Control Test.
  9. If the DTCs retrieved are related to the concern, go to Smart Junction Box (SJB) DTC Chart. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES article.
  10. If no DTCs related to the concern are retrieved, go to SYMPTOM CHART .
SMART JUNCTION BOX (SJB) DTC CHART

DTC Description Action
B1432 Wiper Brake/Run Relay Circuit Short to Battery Go to PINPOINT TEST A .
B1433 Wiper Brake/Run Relay Circuit Short to Ground Go to PINPOINT TEST B .
B1447 Wiper Park Sense Circuit Open Go to PINPOINT TEST F .
B2179 Front Wiper Select Switch "A" Short to Ground Go to PINPOINT TEST B .
B2180 Front Wiper Select Switch "B" Short to Ground Go to PINPOINT TEST B .
B2181 Front Wiper Select Switch "C" Short to Ground Go to PINPOINT TEST B .
B2183 Front Wiper Select Switch "H" Short to Ground Go to PINPOINT TEST C .
B2184 Front Wiper Select Switch "W" Short to Ground Go to PINPOINT TEST E .
U1900 CAN Communication Bus Fault - Receive Error
NOTE: Do not install a new SJB module as part of a repair for a SJB DTC U1900 fault.
The SJB is not the source of the fault when DTC U1900 is present. REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the medium-speed controller area network (MS-CAN) network concern.
scientia non olet · About LEMON Manuals