LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2009 >> G37 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (BOSE With Navigation) -- Convertible >> DTC/Circuit Diagnosis >> Steering Angle Sensor Signal 1, 2 Circuit >> Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis Procedure

  1. CHECK CONTINUITY STEERING ANGLE SENSOR SIGNAL 1, 2 CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect camera control unit connector and steering angle sensor connector.
    3. Check continuity between camera control unit harness connector and steering angle sensor harness connector.
      CONNECTOR TERMINALS CONTINUITY REFERENCE CHART

      Camera control unit Steering angle sensor Continuity
      Connector Terminals Connector Terminals
      B241 23 M37 3 Existed
      24 4
    4. Check continuity between camera control unit harness connector and ground.
      CONNECTOR TERMINALS CONTINUITY REFERENCE CHART

      Camera control unit Ground Continuity
      Connector Terminals
      B241 23 Not existed
      24

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK SENSOR SIGNAL 1, 2
    1. Connect camera control unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between camera control unit harness connector and ground.
      CONNECTOR TERMINALS VOLTAGE REFERENCE CHART

      (+) (-) Voltage (Approx.)
      Camera control unit
      Connector Terminals
      B241 23 Ground 5.0 V
      24

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Replace camera control unit.

  3. CHECK SENSOR SIGNAL 1, 2
    1. Connect steering angle sensor connector.
    2. Check signal between camera control unit harness connector and ground.
      CONNECTOR TERMINALS SIGNAL CHECK REFERENCE CHART

      (+) (-) Condition Reference value
      Camera control unit
      Connector Terminals
      B241 23, 24 Ground Turn the steering to the right
      G05220247Courtesy of NISSAN MOTOR CO., U.S.A.

      1. Sensor signal 1
      2. Sensor signal 2
      Turn the steering to the left
      G05220248Courtesy of NISSAN MOTOR CO., U.S.A.

      1. Sensor signal 1
      2. Sensor signal 2

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace steering angle sensor.

scientia non olet · About LEMON Manuals