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System Testing: Notes

WARNING: This page is about a different car, the 1997 Mercury Mountaineer and 1997 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
TEST INDEX

Symptom (1) Go To Test
DTC B1562: Door Lock Cylinder Circuit Shorted To Ground A 
DTC B1522: Hood Switch Circuit Shorted To Ground B 
DTC B1845: Ignition Lock Anti-Theft Switch Circuit Failure C 
DTCs B1322, B1330, B1334, B1338 & B1574: Door Ajar Circuit Short To Ground E  (Step 8)
No Module Communication With RAP Module D 
Alarm System Does Not Arm Or Disarm Properly E 
Alarm System Does Not Disarm After Activation F 
Alarm Indicator Does Not Turn On To Indicate Arming G 
Horn, Headlights/Exterior Lights Always On Continuously H 
System Activates Falsely J 
(1) For DTCs not listed here or communication problems, see MODULE COMMUNICATIONS NETWORK article.
NOTE: A New Generation Star (NGS) tester is required for system testing.