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Home >> Infiniti >> 2015 >> Q40 AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Ecu Diagnosis Information >> Power Steering Control Unit >> Reference Value >> Physical Values
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Physical Values

Terminal No. Wire color Description Condition Value (Approx.)
+ - Signal name Input/Output
1 Ground LG Power steering solenoid valve voltage Output Vehicle speed: 0 km/h (0 MPH)
(Engine is running)
4.4 - 6.6 V
Vehicle speed: 100 km/h (62 MPH) 2.4 - 3.6 V
3 Ground G Ignition switch power supply Input Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
5 Ground B Power steering solenoid valve ground - Always 0 V
6 Ground B Ground - Always 0 V
8 Ground SB Vehicle speed signal Input Vehicle speed: 40 km/h (25 MPH)
CAUTION:

Check air pressure of tire under standard condition.

GNSSEIA0775E-775Courtesy of NISSAN NORTH AMERICA, INC.
10 Ground R Engine speed signal Input Engine speed: At idle
(Warm-up condition)
GNSPBIA3654J-654Courtesy of NISSAN NORTH AMERICA, INC.
Engine speed: Approx. 2, 000 rpm
(Warm-up condition)
GNSPBIA3655J-655Courtesy of NISSAN NORTH AMERICA, INC.
CAUTION:

When using circuit tester or oscilloscope to measure voltage for inspection, be sure not to forcibly extend any connector terminals.