LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis (Single Page) >> Steering >> Steering Control Systems >> EPS >> Service Information >> Trouble Diagnosis >> Control Unit Input/Output Signal Standard P >> Standard By Circuit Tester And Oscilloscope
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Standard By Circuit Tester And Oscilloscope

CAUTION: When checked using a circuit tester for voltage measurement, connector terminals should not be forcefully extended.
TERMINAL REFERENCE

Terminal Measuring point Measuring condition Standard
+ (wire color) -
1 (GR) Ground IGN Ignition switch ON. Battery voltage (Approx. 12 V)
2 (B) Ground - -
3 (L) Vehicle speed signal (2-pulse) At 40 km/h (25 MPH)
G04876940Courtesy of NISSAN MOTOR CO., U.S.A.
5 (Y) Engine speed signal At idle after warming up
G04876941Courtesy of NISSAN MOTOR CO., U.S.A.
At approx. 2, 000 rpm
G04876942Courtesy of NISSAN MOTOR CO., U.S.A.
7 (G) Power steering solenoid valve Normal (Vehicle speed) 0 km/h (0 MPH) Approx. 4.4 - 6.6 V
100 km/h (62 MPH) Approx. 2.4 - 3.6 V
In fail-safe mode (Engine speed) 0 - 1, 500 rpm Approx. 4.4 - 6.6 V
1, 500 - 3, 000 rpm Approx. 3.5 V
More than 3, 000 rpm Approx. 2.1 V