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Ford
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1997
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E 250 3/4 Ton Van V8-5.4L CNG VIN M
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Repair and Diagnosis
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Powertrain Management
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Information Bus
Information Bus
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Description and Operation
Testing and Inspection
Initial Inspection and Diagnostic Overview
System Precheck
Step PC1
Steps PC2 to PC5
Inspection and Verification
Diagnostic Trouble Code Descriptions
Symptom Related Diagnostic Procedures
Pinpoint Tests
A: 4-Wheel ABS Does Not Respond to the Scan Tool
Step A1 to A2
Step A3 to A4
B: Electronic Crash Sensor Module Doesn't Respond to Scan Tool
C: Powertrain Control Module Does Not Respond to the Scan Tool
Step C1 to C2
Step C3 to C4
Step C5 to C6
Step C7
Step C8
Step C9 to C10
Step C11 to C12
Step C13
D: No ISO 9141 Link Module/Network Communications
Step D1
Step D2 to D3
Step D4 to D5
Step D6 to D7
Step D8 to D9
Step D10
Service and Repair
Tools and Equipment