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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Ignition Signal >> Diagnostic Procedure >> 8. Check Ignition Coil Power Supply Circuit-IV

8. Check Ignition Coil Power Supply Circuit-IV

Check voltage between ECM relay terminal 5 and ground with CONSULT-II or tester.

  1. Voltage: Battery Voltage 
Fig 1: Checking Voltage Between ECM Relay Terminal 5 & Ground
G00761351Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK: GO TO 10.

NG: GO TO 9.