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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> Steering >> Power Steering >> Power Steering Control System (Without 4WAS) -- M37/M56 >> Ecu Diagnosis Information >> EPS Control Unit >> Reference Value >> Physical Values
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Physical Values

TERMINALS SIGNAL REFERENCE CHART

Terminal No. Description Condition Value (Approx.)
+ - Signal name Input/Output
1 (LG) Ground 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) 1.7 - 2.9 V
3 (G) Ground Ignition switch power supply Input Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
5 (B) Ground Power steering solenoid valve ground - Always 0 V
6 (B) Ground Ground - Always 0 V
8 (GR) Ground Vehicle speed signal Input Vehicle speed: 40 km/h (25 MPH)
CAUTION: Check air pressure of tire under standard condition.
G05208060Courtesy of NISSAN MOTOR CO.
10 (V) Ground Engine speed signal Input Engine speed: At idle (Warm-up condition) VQ37VHR
G04876941Courtesy of NISSAN MOTOR CO.
VK56VD
G07020374Courtesy of NISSAN MOTOR CO.
Engine speed: Approx. 2,000 rpm (Warm-up condition) VQ37VHR
G04876942Courtesy of NISSAN MOTOR CO.
VK56VD
G07020375Courtesy of NISSAN MOTOR CO.
CAUTION: When using circuit tester or oscilloscope to measure voltage for inspection, be sure not to forcibly extend any connector terminals.