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Engine Control System (L3 with TC): Wiring Mazda 3 BL

Removal & Installation 2 illustrations

CONTROL SYSTEM WIRING DIAGRAM [L3 WITH TC]

IMPORTANTBe aware that Oxygen sensor terminology differs between California models (3 O2 sensors) and Non-California models (2 O2 sensors). When testing/servicing oxygen sensors, refer to SYSTEM WIRING DIAGRAMS article to properly identify appropriate sensor.

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