Crown Victoria V8-4.6L SOHC VIN 6 (1996)
Does courtesy lamps turn on?
YES
REPLACE lighting control module, RESTORE vehicle. RETEST system.
NO
CHECK Circuit 53 (BK/LB) for open. RESTORE vehicle. RETEST system.
AC - Courtesy Lamps On Continuously
Pinpoint Test AC: Courtesy Lamps On Continuously
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.
AC1 - Test System
-
Open and close any door. Make sure all doors are closed.
-
Wait 30 seconds.
Are courtesy lamps still on?
YES
GO to AC2.
NO
On vehicles with keyless entry option, GO to AC8. Other vehicles, system is operating normally.
AC2 - Test Dome Lamp Switch
-
Press dome lamp switch.
Are courtesy lamps still on?
YES
PRESS dome lamp switch a second time. GO to AC3.
NO
System is operating normally.
AC3 - Check Driver Door Ajar Circuit
-
Connect NGS tester or equivalent to DLC.
-
Close driver door.
-
Read PID D_DR_LC.
Does PID indicate driver door open?
YES
SERVICE circuit 867 (DB), for short to ground. CHECK driver door ajar switch for stuck switch. RETEST system.
NO
GO to AC4.
AC4 - Check Passenger Door Ajar Circuits
-
Read PID P_DR_LC.
Does PID indicate a passenger door is open?
YES
SERVICE circuit 627 (BK/O) for short to ground. CHECK passenger interior lamp switch for stuck switch. RETEST system.
NO
GO to AC5.
AC5 - Check For Stuck Dome Lamp Switch
-
Read LCM PID DOMESW.
Does PID indicate switch on?
YES
SERVICE short to battery in circuit 88 (BK/Y) or stuck switch. RETEST system.
NO
GO to AC6.
AC6 - Check Dome Lamp Switch Operation
-
Read LCM PID DOMESW.
-
Press and hold dome lamp switch.
Does PID indicate switch active?
