Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 104 (MODULE COMMUNICATIONS NETWORK)SYSTEM TESTSTEST F: DRIVER'S SEAT MODULE DOES NOT RESPOND TO NGS TESTER
2004 Ford Econoline E150, Van Cargo, 4.6 W
Test F: Driver's Seat Module Does Not Respond To NGS Tester
2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Test F: Driver's Seat Module Does Not Respond To NGS Tester
WARNING: This page is about a different car, the 2002 Lincoln Blackwood. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After making any repair, perform data link diagnostic test. See DATA LINK DIAGNOSTIC TEST under SELF-DIAGNOSTIC SYSTEM.
- Turn ignition switch to LOCK position. Disconnect Driver's Seat Module (DSM) 22-pin harness connector C341a. DSM is located under driver's seat. Inspect DSM harness connector for loose, damaged or corroded terminals. If problem does not exist with harness connector, go to next step. If problem exists with harness connector, repair as necessary.
- Measure resistance in Light Blue/White wire between DSM harness connector C341a terminal No. 22 and Data Link Connector (DLC) terminal No. 7. See Figure and Fig 1 . If resistance is 5 ohms or less, go to next step. If resistance is more than 5 ohms, go to step 4.
- Connect DSM harness connector. Perform data link diagnostic test. See DATA LINK DIAGNOSTIC TEST under SELF-DIAGNOSTIC SYSTEM. If DSM module responds to NGS tester, system is functioning properly. If DSM module does not respond to NGS tester, replace DSM module. See DRIVER'S SEAT MODULE under REMOVAL & INSTALLATION.
- Disconnect and inspect both halves of in-line Black 66-pin harness connector C265. See Figure. Inspect harness connector for loose, damaged or corroded terminals. If problem does not exist with harness connector, go to next step. If problem exists with harness connector, repair as necessary.
- Measure resistance of Light Blue/White wire between DSM harness connector C341a terminal No. 22 and in-line harness connector C265 terminal No. 11 (female half). See Figure and Fig 2 . If resistance is more than 5 ohms, repair open in Light Blue/White wire between DSM and female half of in-line harness connector C265. If resistance is 5 ohms or less, repair open in Light Blue/White wire between male half of in-line harness connector C265 and DLC.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.