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Home >> Nissan-Datsun >> 2012 >> Altima Base >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System >> 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 R/Y 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) 2.5 - 3.7 V
3 Ground G Ignition power supply Input Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
5 Ground LG/W Power steering solenoid valve ground - Always 0 V
6 Ground B Ground - Always 0 V
8 Ground L/B Vehicle speed signal Input Vehicle speed: 40 km/h (25 MPH)
CAUTION: Check air pressure of tire under standard condition.
G04876940Courtesy of NISSAN NORTH AMERICA, INC.
10 Ground V/W Engine speed signal Input Engine speed: At idle (Warm-up condition) QR25DE:
G04887360G04887361Courtesy of NISSAN NORTH AMERICA, INC.NISSAN NORTH AMERICA, INC.

VQ35DE:
G04887360G04887361Courtesy of NISSAN NORTH AMERICA, INC.NISSAN NORTH AMERICA, INC.
Engine speed: Approx. 2, 000 rpm (Warm-up condition) QR25DE:
G04887362G04876942Courtesy of NISSAN NORTH AMERICA, INC.NISSAN NORTH AMERICA, INC.

VQ35DE:
G04887362G04876942Courtesy of NISSAN NORTH AMERICA, INC.NISSAN NORTH AMERICA, INC.
CAUTION: When using circuit tester or oscilloscope to measure voltage for inspection, be sure not to extend forcibly any connector terminals.