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Test A: Anti-Lock Brake System (Abs) Module Does Not Respond To NGS Tester

  1. Turn ignition switch to LOCK position. Disconnect ABS module harness connector C162. See Fig 1 . Inspect ABS harness connector for loose, damaged or corroded terminals. If problem does not exist, go to next step. If problem exists, repair as necessary and retest system.
  2. Connect ABS module harness connector C162. Connect NGS tester to Data Link Connector (DLC). Turn ignition switch to RUN position. Perform data link diagnostic procedure. See DATA LINK DIAGNOSTIC TEST  under SELF-DIAGNOSTIC SYSTEM. If NGS tester responds with ABS: NO RESPONSE ON CKT914 (BUS +), go to next step. If NGS tester does not respond with ABS: NO RESPONSE ON CKT915 (BUS -), go to step  6 .
  3. Turn ignition switch to LOCK position. Disconnect NGS tester. Disconnect ABS module harness connector C162. Measure resistance in Tan/Orange wire between terminal No. 20 at ABS module harness connector C162 and terminal No. 2 at DLC. See Figure and Fig 2 . If resistance is greater than 5 ohms, go to next step. If resistance is 5 ohms or less, replace ABS module.
  4. Disconnect in-line harness connector C107. See Fig 1 . Inspect harness connector for loose, damaged or corroded terminals. If problem does not exist, go to next step. If problem exists, repair as necessary and retest system.
  5. Measure resistance in Tan/Orange wire between terminal No. 10 at male half of harness connector C107 and terminal No. 2 at DLC. See Figure and Fig 3 . If resistance is 5 ohms or less, repair open in Tan/Orange wire between harness connector C107 and ABS module. If resistance is greater than 5 ohms, repair open in Tan/Orange wire between harness connector C107 and DLC.
  6. Turn ignition switch to LOCK position. Disconnect NGS tester. Disconnect ABS module harness connector C162. Measure resistance in Pink/Light Blue wire between terminal No. 19 at ABS module harness connector C162 and terminal No. 10 at DLC. See Figure and Fig 2 . If resistance is greater than 5 ohms, go to next step. If resistance is 5 ohms or less, replace ABS module.
  7. Disconnect in-line harness connector C107. See Fig 1 . Inspect harness connector for loose, damaged or corroded terminals. If problem does not exist, go to next step. If problem exists, repair as necessary and retest system.
  8. Measure resistance in Pink/Light Blue wire between terminal No. 7 at male half of harness connector C107 and terminal No. 10 at DLC. See Figure and Fig 3 . If resistance is 5 ohms or less, repair open in Pink/Light Blue wire between harness connector C107 and ABS module. If resistance is greater than 5 ohms, repair open in Pink/Light Blue wire between harness connector C107 and DLC.
Fig 1: Locating Engine Compartment Harness Connectors
G98G01719Courtesy of FORD MOTOR CO.
Fig 2: Identifying ABS Module Harness Connector C162 Terminals
G98H01687Courtesy of FORD MOTOR CO.
Fig 3: Identifying In-Line Harness Connector C107 & C103 Terminals
G99C03373Courtesy of FORD MOTOR CO.
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