Crown Victoria V8-4.6L SOHC VIN 6 (1996)
AK16 - Test Anti-Theft Disarm Switches
-
Request anti-theft disarm switches PID ALARMSW.
Does PID indicate switches active?
YES
SERVICE circuit 25 (DG/P) and disarm switches in both doors for short to ground. RETEST system.
AK17 - Test Lighting Control Module
-
Disconnect connector C3 from lighting control module.
Are demand lamps on?
YES
SERVICE circuit 705 (LG/O) for short to B+. RETEST system.
NO
REPLACE lighting control module. RETEST system.
AL - Engine Compartment Lamp Inoperative
Pinpoint Test AL: Engine Compartment Lamp Inoperative
AL1 - Check Lighting Operation
-
Operate all other demand courtesy lamps.
-
Observe operation of all other lamps.
Do other lamps light?
YES
GO to AL2.
NO
GO to Pinpoint Test AK. See: Pinpoint Tests/Courtesy Lamps/AK - All Demand Lighting Inoperative
AL2 - Check Bulb
-
Remove bulb.
-
Using an ohmmeter, check continuity of bulb.
Is bulb in good condition?
YES
GO to AL3.
NO
REPLACE bulb. RETEST system.
AL3 - Check Ground
-
Disconnect wiring.
-
Using an ohmmeter measure resistance between ground and circuit 57 (BK).
Is resistance less than 5 ohms?
YES
GO to AL4.
NO
SERVICE open in circuit 57 (BK). RESTORE vehicle. RETEST system.
AL4 - Check Circuit 705 (LG/O)
-
Disconnect wiring.
-
Using a voltmeter check voltage of circuit 705 (LG/O).
YES
REPLACE lamp. RESTORE vehicle. RETEST system.
NO
SERVICE open in circuit 705 (LG/O). RESTORE vehicle. RETEST system.
AM - Luggage Compartment Lamp Inoperative
Pinpoint Test AM: Luggage compartment Lamp Inoperative
AM1 - Check Lighting Operation
-
Operate all other demand courtesy lamps.
-
Observe operation of all other lamps.