Crown Victoria V8-4.6L SOHC VIN 6 (1996)
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Actuate headlamp switch in the HEAD position.
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Using a voltmeter connected to a known good ground, connect second lead to pin C2-1 1, circuit 867 (DB) at lighting control module connector.
Is battery positive voltage (B+) present?
YES
GO to E2.
NO
SERVICE circuit 867 (DB) for open circuit. RESTORE vehicle. RETEST system.
E2 - Check Headlamp On Input
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Actuate headlamp switch to the PARK position.
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Connect voltmeter probe to pin C1-13, circuit 1032 (W/BK) at lighting control module connector.
Is B+ present?
Yes
YES
REPLACE lighting control module. RESTORE vehicle. RETEST system.
NO
CHECK Circuit 1032 (W/BK) for open circuit and SERVICE if necessary. GO to E3.
E3 - Check Headlamp Switch Output
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Connect voltmeter to pin C2-8, circuit 1033 (R/Y) at headlamp switch.
Is B+ present?
YES
SERVICE Circuit 1033 (R/Y) for open circuit. RESTORE vehicle. RETEST system.
NO
REFER to Headlamp testing for headlamp switch test. REPLACE headlamp switch if necessary. RESTORE vehicle. RETEST system.
See: Lighting and Horns/Headlamp/Testing and Inspection
F - Luggage Compartment Door Warning Inop
Pinpoint Test F: Luggage Compartment Door Warning Inoperative
F1 - Check Luggage Compartment Door Warning Switch Input
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Open luggage compartment door.
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Using an ohmmeter connected to a known good ground, alternately connect second lead to lighting control module connector pin C1-5, circuit 486
(BR/W), and electronic instrument cluster connector pin C2-27.
Is resistance 5 ohms or less?
YES
REPLACE lighting control module. For luggage compartment door indicator concern, REFER to Instrument Panel, Gauges and Warning
Indicators. RESTORE vehicle. RETEST system. See:
NO
SERVICE circuit 486 (BR/W) for open circuit. RESTORE vehicle. RETEST system.
