Self-Diagnostic System

Connect New Generation Star (NGS) tester to Data Link Connector (DLC), located beneath instrument panel. Using NGS tester, perform data link diagnostics test. See DATA LINK DIAGNOSTIC TEST under SELF-DIAGNOSTIC SYSTEM in MODULE COMMUNICATIONS NETWORK - MUSTANG article. If NGS tester responds with CKT914, CKT915 or CKT70=ALL ECUS NO RESP/NOT EQUIP, repair module communications concern. See MODULE COMMUNICATIONS NETWORK - MUSTANG article. If NGS tester displays NO RESP/NOT EQUIP for Generic Electronic Module (GEM), perform TEST A: NO COMMUNICATION WITH GENERIC ELECTRONIC MODULE under SYSTEM TESTS.

If NGS tester responds with SYSTEM PASSED, retrieve and record continuous DTCs. Erase continuous DTCs. Using NGS tester, perform GEM self-test. Perform appropriate test in accordance with DTC retrieved. See GENERIC ELECTRONIC MODULE DTC INDEX table. Codes listed in this table are only for testing covered in this article. For complete DTC listing, see MODULE COMMUNICATIONS NETWORK - MUSTANG article. If no DTCs are retrieved, repair by symptom. See SYMPTOM CHART table under SYSTEM TESTS.

GENERIC ELECTRONIC MODULE DTC INDEX

DTC

Description

Perform Test

B1342

ECU Defective

⁽¹⁾

B1405

Driver's Window Down Circuit Short To Voltage

⁽²⁾

B1408

Driver's Window Up Circuit Short To Voltage

⁽²⁾

B1410

Driver's Window Motor Circuit Failure

⁽²⁾

⁽¹⁾	Using NGS tester, retrieve and document all continuous. Perform Generic Electronic Module (GEM) self-test. If DTC B1342 is retrieved again, replace GEM.

⁽²⁾	Perform TEST D: DRIVER'S POWER WINDOW INOPERATIVE (CONVERTIBLE) on convertible or TEST E: DRIVER'S POWER WINDOW INOPERATIVE (COUPE) on coupe.