Mustang V8-4.6L DOHC VIN R (2003)
Information Bus: Testing and Inspection
Module Communications Network
Initial Inspection
1. Verify the customer concern.
2. Visually inspect for obvious signs of electrical damage.
VISUAL INSPECTION CHART
Electrical
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Central Junction Box (CJB) Fuse 31 (5A)
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Damaged wiring harness
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Loose or corroded connections
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Anti-lock brake control module without traction control (optional)
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Anti-lock brake control module with traction control (optional)
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Generic Electronic Module (GEM)
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Restraint Control Module (RCM)
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Powertrain Control Module (PCM)
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Instrument cluster
3. If the concern remains after the inspection, connect diagnostic tool to the Data Link Connector (DLC) located beneath the instrument panel and
select the vehicle to be tested from diagnostic tool menu. If diagnostic tool does not communicate with the vehicle:
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check that the program card is correctly installed.
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check that the correct version of the program card is 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 Notes
CAUTION:
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Be careful when probing the CJB, Battery Junction Box (BJB) or any connectors. Damage will result to the connector receptacle if the probe or
