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Home >> Infiniti >> 2011 >> QX56 AWD >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Power Steering Control System >> Ecu Diagnosis Information >> Power Steering Control Unit >> Reference Value >> Terminal Layout
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Terminal Layout

Fig 1: Identifying Power Steering Control Unit Connector Terminals
G04887369G07025315G07021891G07020375Courtesy of NISSAN MOTOR CO., U.S.A.NISSAN MOTOR CO.NISSAN MOTOR CO.NISSAN MOTOR CO.
TERMINALS REFERENCE

Terminal No.
(Wire color)
Description Condition Value (Approx.)
+ - Signal name Input/Output
1 (R) Ground Power steering solenoid valve control 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 (GR) Ground Ignition switch power supply Input Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
5 (L) Ground Power steering solenoid valve ground - Always 0 V
6 (B) Ground Ground - Always 0 V
8 (SB) Ground Vehicle speed signal Input Vehicle speed: 40 km/h (25 MPH)
CAUTION: Check air pressure of tire under standard condition.
NOTE: The maximum voltage varies depending on the specification (destination unit).
G07025315Courtesy of NISSAN MOTOR CO.
10 (B/SB) Ground Engine speed signal Input Engine is running
  • Warm-up condition
  • Idle speed
G07021891Courtesy of NISSAN MOTOR CO.
Engine is running
  • Warm-up condition
  • Engine speed: Approx. 2,000 RPM
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.