Econoline E550 V10-6.8L VIN S (2003)
Information Bus: Testing and Inspection
Module Communications Network
Initial Inspection
INSPECTION AND VERIFICATION
1. Verify the customer concern.
2. Visually inspect the following for obvious signs of electrical damage.
VISUAL INSPECTION CHART
Electrical
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Fuses
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Damaged wiring harness
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loose or corroded connectors
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4-wheel anti-lock brake control module
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Electronic crash sensor (ECS) module
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Powertrain control module (PCM)
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Natural gas vehicle module (NGVM)
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Auxiliary powertrain control module (APCM)
3. If the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel and
select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
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check that the program card is properly installed.
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check the connections to the vehicle.
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check the ignition switch position.
If the diagnostic tool still does not communicate with the vehicle, go to Pinpoint Test H. See: Pinpoint Tests/Pinpoint Tests/Test H
4. Go to Pinpoint Test PC. See: Pinpoint Tests/Pinpoint Test PC (Precheck)
Pinpoint Test PC (Precheck)
PINPOINT TEST PC: DATA LINK DIAGNOSTICS NETWORK TEST
Test PC1
Test A
PINPOINT TEST A: THE MODULE DOES NOT RESPOND TO THE DIAGNOSTIC TOOL - 4-WHEEL ANTI-LOCK BRAKE CONTROL
MODULE