F 450 2WD Super Duty V10-6.8L VIN S (1999)
Information Bus: Initial Inspection and Diagnostic Overview
1. Verify the customer concern.
2. Visually inspect for obvious signs of electrical damage:
VISUAL INSPECTION CHART
Electrical
^
Fuses
^
Damaged wiring harness
^
Loose or corroded connectors
^
Overhead Trip Computer (OTC)
^
Powertrain Control Module (PCM)
^
Electronic Crash Sensor (ECS) module
^
4-wheel anti-lock brake control module
^
Rear anti-lock brake control module
^
Auxiliary Powertrain Control Module (APCM)
^
Generic Electronic Module (GEM)
3. If the concern remains after the inspection connect the New Generation STAR (NGS) Tester to the Data Link Connector (DLC) located beneath
the instrument panel and select the vehicle to be tested from the NGS Tester menu. If the NGS Tester does not communicate with the vehicle:
^
check that the program card is properly installed.
^
check the connections to the vehicle.
^
check the ignition switch position.
If the NGS still does not communicate with the vehicle, go to Pinpoint Test J. See: Pinpoint Tests/Pinpoint Tests/J: No Communication - No
Power to the NGS
4. Go to Pinpoint Test PC. See: Pinpoint Tests/Pinpoint Test PC : Data Link Diagnostics Network Test