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Home >> Infiniti >> 2003 >> QX4 4WD V6-3.5L (VQ35DE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Component Tests and General Diagnostics
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Component Tests and General Diagnostics

ECM Terminals And Reference Value:






EC-MAIN-01 (Main Power Supply And Ground Circuit):




EC-MAIN-02 (Main Power Supply And Ground Circuit):




Wiring Diagram

Diagnostic Procedure Step 1 - 4:




Diagnostic Procedure Step 5 - 8:




Diagnostic Procedure Step 9 - 11:




Diagnostic Procedure Step 12 - 14:




Diagnostic Procedure Step 15 - 19:




Diagnostic Procedure Step 20:




Diagnostic Procedure
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