FixVault
Home
›
Infiniti
›
2004
›
Q45
›
Repair and Diagnosis
›
Engine Performance
›
Engine Control System
›
Power Supply And Ground Circuit
›
Diagnostic Procedure
›
7. Check Power Supply-II
7. Check Power Supply-II
Disconnect ECM relay.
Fig 1: Locating ECM & Fuel Pump Relay
Courtesy of NISSAN MOTOR CO., U.S.A.
Check voltage between ECM relay terminals 2, 5 and ground with CONSULT-II or tester.
Voltage: Battery voltage
OK or NG
OK: GO TO 9.
NG: GO TO 8.
Fig 2: Checking ECM Relay Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.