4. Check Ignition Coil Power Supply Circuit-I

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
Check voltage between ECM terminals 163, 166 and ground with CONSULT-II or tester.

Fig 1: Checking Voltage Between ECM Terminals 163, 166 & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

Voltage: Battery voltage

OK or NG

OK: GO TO 5.
NG: GO TO POWER SUPPLY AND GROUND CIRCUIT .