Operation CHARM
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Pontiac
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1996
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Firefly (CANADA) L4-1.3L
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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
Serial Data Communications
Circuit Operation
Testing and Inspection
Initial Inspection and Diagnostic Overview
Symptom Related Diagnostic Procedures
- Symptom Diagnostic Charts
Chart #1 Scan Tool Will Not Communicate With the EBCM or SDM
Chart #2 Scan Tool Will Not Communicate
- Symptom Table
Component Tests and General Diagnostics
Circuit Operation
System Diagnosis