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Home >> Ford >> 2004 >> Explorer 4.0 K, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 475 (Interior Lighting System) >> Diagnosis And Testing >> Interior Lighting >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different car, the 2004 Mercury Marauder, 2004 Mercury Grand Marquis, and 2004 Ford Crown Victoria. 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.
    Fig 1: Visual Inspection Chart
    G02755588Courtesy of FORD MOTOR CO.
  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. If the cause is not visually evident, connect the diagnostic tool to the data link connector and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
  5. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
  6. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
    • SCP+, SCP- or ISO circuit fault; all electronic control units no response/not equipped, refer to MODULE COMMUNICATIONS NETWORK .
    • No response/not equipped for LCM, refer to MULTIFUNCTION ELECTRONIC MODULES .
    • System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out self test diagnostics for the LCM and DDM modules.
  7. If the DTCs retrieved are related to the concern, go to LCM DIAGNOSTIC TROUBLE CODE (DTC) INDEX  to continue diagnostics.
  8. If no DTCs related to the concern are retrieved, proceed to SYMPTOM CHART  to continue diagnostics.
LCM DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC Description Source Action
B1322 Driver Door Ajar Circuit Short to Ground LCM Go To PINPOINT TEST F  .
B1442 Door Handle Switch Circuit Failure LCM Go To PINPOINT TEST G  .
B1445 Door Handle Switch Circuit Short to Ground LCM Go To PINPOINT TEST G  .
B1563 Door Ajar Circuit Failure LCM Go To PINPOINT TEST C  .
B1566 Door Ajar Circuit Short to Ground LCM Go To PINPOINT TEST H  .
B1685 Lamp Dome Input Circuit Failure LCM Go To PINPOINT TEST I  .
B1688 Lamp Dome Input Circuit Short to Ground LCM Go To PINPOINT TEST I  .
- All Other DTCs LCM REFER to MULTIFUNCTION ELECTRONIC MODULES .
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