Operation CHARM
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Lexus
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2012
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IS 250 AWD V6-2.5L (4GR-FSE)
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Repair and Diagnosis
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Power and Ground Distribution
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Relay Box
Relay Box
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Locations
Diagrams
Diagram Information and Instructions
Wiring Color Codes
How to Use This Information
Symbols Used Within Diagrams
Abbreviations Used Within Diagrams
Diagnostic Aids
How to Troubleshoot Electrical Circuits
Continuity and Resistance Check
Disconnection of Male and Female Connectors
Finding A Short Circuit
How to Replace Terminal
Voltage Check
How To Troubleshoot ECU Controlled Systems
General Information
Electronic Circuit Inspection Procedure
How To Proceed With Troubleshooting
Connector Views
23 - Engine Room R/B No.1 and Engine Room J/B No.1 - Near The Battery
27 - Engine Room R/B No.2, Engine Room J/B No.2 - Engine Compartment Left
32 - 34 - Cowl Side J/B LH - Cowl Side Left
38 - 40 - Cowl Side J/B RH - Cowl Side Right
Electrical Diagrams
24 - Engine Room R/B No.1 and Engine Room J/B No.1 Inner Circuit
28 - 30 - Engine Room R/B No.2 and Engine Room J/B No.2 Inner Circuit
36 - 37 - Cowl Side J/B LH Inner Circuit
42 - 43 - Cowl Side J/B RH Inner Circuit
