Crown Victoria V8-4.6L SOHC VIN 6 (1996)
B4 - Check Circuit 1003 (GY/Y) Town Car, Circuit 640 (R/Y) Crown Victoria, Grand Marquis For Open
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Disconnect ohmmeter lead from ground and connect lead to output side of fuse 13 (15A).
Is resistance 5 ohms or less?
YES
REPLACE Fuse 13 (15A). RESTORE system. RETEST vehicle.
NO
SERVICE circuit 1003 (GY/Y) Town Car, circuit 640 (RIY) Crown Victoria, Grand Marquis for open circuit. RESTORE vehicle.
RETEST system.
B5 - Check Supply Circuit 294 (W/LB) Town Car, Circuit 296 (W/P) Crown Victoria, Grand Marquis
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Disconnect lighting control module.
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Using an ohmmeter connected to a known good ground, connect second lead to pin C1-1, circuit 294 (W/LB) Town Car, circuit 296 (W/P) Crown
Victoria, Grand Marquis.
-
Check resistance.
Is resistance 5 ohms or less?
YES
SERVICE circuit 294 (W/LB) Town Car, circuit 296 (W/P) Crown Victoria, Grand Marquis for short to ground. REPLACE fuse 6 (15A).
RESTORE vehicle. RETEST system.
NO
GO to B6.
B6 - Check Circuit 294 (W/LB) Town Car, Circuit 296 (W/P) Crown Victoria, Grand Marquis For Open
-
Disconnect ohmmeter lead from ground and connect lead to output side of fuse 6 (15A).
Is resistance 5 ohms or less?
YES
REPLACE fuse 6 (15A). RESTORE vehicle. RETEST system.
NO
SERVICE 294 (W/LB) Town Car, circuit 296 (W/P) Crown Victoria, Grand Marquis for open circuit. RESTORE vehicle. RETEST
system.
B7 - Check For Chime Module Ground
-
Using an ohmmeter connected to a known good ground, alternately connect second lead to pin C3-4 and C3-9, circuit 676 (PK/O) Town Car,
circuit 57 (BK) Crown Victoria, Grand Marquis.
-
Check resistance.
Is resistance 5 ohms or less?
YES
REPLACE lighting control module. RESTORE vehicle. RETEST system.
NO
SERVICE power and/or logic ground circuit 676 (PK/O) Town Car, circuit 57 (BK) Crown Victoria, Grand Marquis for open circuit.
RESTORE vehicle. RETEST system.
C - Seat Belt Warning Inop
Pinpoint Test C: Safety Belt Warning Inoperative
C1 - Check Safety Belt Switch Input
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Unbuckle driver safety belt.
-
Using an ohmmeter connected to a known good ground, connect second lead to pin C2-17, circuit 85 (BR/LB) at lighting control module
connector.
-
Measure resistance.
Is resistance 5 ohms or less?
YES
GO to C2.
NO
SERVICE circuit 85 (BR/LB). RESTORE vehicle RETEST system.
C2 - Check Circuit 450 (BK/LG) Output At Module
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Using a voltmeter connected to a known good ground, connect voltmeter to pin C3-8, circuit 450 (BK/LG) at lighting control module connector.
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Turn ignition switch to the RUN position.