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Self-Diagnostic System: Self-Diagnostics

Turn ignition switch to LOCK position. Connect NGS tester to Data Link Connector (DLC). DLC is located under left side of instrument panel, to left of steering column. See Figure . Using NGS tester, perform data link diagnostic test. See PINPOINT TEST PC: DATA LINK DIAGNOSTICS NETWORK TEST in MODULE COMMUNICATIONS NETWORK article. If NGS tester displays CKT914, CKT915 or CKT70=ALL ECUS NO RESP/NOT EQUIP, repair module communications concern. See MODULE COMMUNICATIONS NETWORK article. If NGS tester displays NO RESP/NOT EQUIP RAP MODULE, perform TEST C: NO COMMUNICATION WITH RAP MODULE  under SYSTEM TESTS.

If NGS tester displays SYSTEM PASSED, follow NGS tester manufacturer's instructions to retrieve and record Diagnostic Trouble Codes (DTCs). Using NGS tester manufacturer's instructions, clear DTCs and perform Remote Anti-Theft Personality (RAP) module self-test. If any DTCs are retrieved, perform appropriate test under SYSTEM TESTS  . See REMOTE ANTI-THEFT PERSONALITY MODULE DIAGNOSTIC TROUBLE CODE INDEX  table. If no DTCs are retrieved, repair by symptom. See SYMPTOM INDEX  table under SYSTEM TESTS.

REMOTE ANTI-THEFT PERSONALITY MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
B1334 Luggage Compartment/Trunk Lid Door Ajar Circuit Short To Ground (1)
B1341 Power Door Unlock Circuit Short To Ground A  or B 
B1522 Hood Switch Circuit Short To Ground (1)
B2425 Remote Transmitter Out Of Synchronization D 

(1) See appropriate test in ANTI-THEFT article for testing procedure.

Fig 1: Identifying Data Link Connector Terminals
G96G29476Courtesy of FORD MOTOR CO.