Operation CHARM
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Mercury
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1997
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Tracer L4-122 2.0L SOHC
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Information Bus
Information Bus
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Service Precautions
Description and Operation
Testing and Inspection
Flow of Diagnosis
Pinout Values and Diagnostic Parameters
Inspection and Verification (Start Here)
Electrical Schematic
Electrical Connector Views
System Precheck
Pinpoint Test PC: Data Link Diagnostics Network Test
Special Tools
Pinpoint Tests
Special Tools Used With Pinpoint Tests
Icons Used With Pinpoint Tests
A: Anti-Lock System No Response to NGS Tester
B: Remote Anti-Theft Module - No Response to NGS Tester
C: Powertrain Control Module No Response to NGS
D: No Module/Network Communication
DTC Reference Charts
Symptom Chart
Service and Repair
Electrical Connectors
Module Communication Wire Repair
Module Repair Precautions
Wire Repair
Non-Module Communication Wire Repair
Module Communication Wire Repair
