Crown Victoria V8-4.6L SOHC VIN 6 (1996)
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Using a voltmeter, measure for voltage at driver seat module connector pin C3-6 circuit 797 (LG/P).
Is voltage B+?
YES
GO to BB4.
NO
GO to BB2.
BB2 - Check Circuit 797 (LG/P) For Short To Ground
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Remove fuse 39 (10A) from fuse junction panel.
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Using an ohmmeter connected to ground, measure resistance at driver door module pin C3-6 circuit 797 (LG/P).
Is resistance less than 5 ohms?
YES
SERVICE circuit 797 (LG/P) for short to ground. RESTORE vehicle. RETEST system.
NO
GO to BB3.
BB3 - Check Power Supply To Fuse 39 (10A)
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Using a voltmeter, measure resistance at input cavity of fuse 39 (10A).
Is voltage B+?
YES
SERVICE circuit 797 (LG/P) for open. RESTORE vehicle. RETEST system.
NO
SERVICE power supply to fuse 39 (10A). RESTORE vehicle. RETEST system.
BB4 - Check Ground Circuits
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Using an ohmmeter connected to ground, measure resistance at driver door module pin C3-7 circuit 57 (BK) and pin C3-14 circuit 875 (BK/LB).
Are both circuits resistance less than 5 ohms?
YES
GO to communication network diagnostics in Computers and Control Systems to diagnose concern. See: Powertrain
Management/Computers and Control Systems/Information Bus
NO
SERVICE circuit 57 (BK) and/or circuit 875 (BK/LB). RESTORE vehicle. RETEST system.
BC - Illuminated Entry System Inoperative
Pinpoint Test BC: Illuminated Entry System Inoperative
NOTE: Ford DOES NOT provide a procedure to perform the following pinpoint test without the Rotunda New Generation Star (NGS) tester
007-00500 or equivalent.
BC1 - Preliminary Checks
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Check fuses 8 (15A0 and circuit breaker 14 (20A) for continuity.
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Check connections for clean, tight fit.
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Check for loose or damaged wires.
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Make sure that all door handles are seated in the not lifted position.
Do components and wiring check OK?
YES
GO to BC2.
NO
SERVICE or REPLACE as required. GO to BC2.
BC2 - Check Courtesy Lamp Condition
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Connect NGS tester or equivalent to data link connector (DLC) and access active command modes for lighting control module.
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Command courtesy lamp PID INTR_LT_ON.
Do courtesy lamps stay off?
YES
GO to Pinpoint Test AB. See: Pinpoint Tests/Courtesy Lamps/AB - Courtesy Lamps Inoperative
NO
COMMAND PID INTR_LT OFF. GO to BC3.
BC3 - Check Driver Door Handle Switch
