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Inspection 9 Actuator Relay System

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

INSPECTION PROCEDURE

  1. SELF-DIAGNOSIS RESULT CHECK 

    Check self-diagnosis results.

    Self-diagnosis results

    Actuator relay circuit

    Is the above displayed in the self-diagnosis display items? 

    1. YES : GO TO 2.
    2. NO : Inspection End
  2. CONNECTOR INSPECTION 
    1. Disconnect the relay box connector E47, E48, E222 and VDC/TCS/ABS control unit connector and check the terminals for deformation, disconnection, looseness, and so on. If there is an error, repair or replace the terminal.
    2. Securely reconnect the connectors and Re-conduct self-diagnosis.

    OK or NG 

    1. OK : The connector terminal contact is loose, damaged, open or shorted.
    2. NG : GO TO 3.
  3. ACTUATOR RELAY POWER SYSTEM INSPECTION 
    1. Turn ignition switch OFF and disconnect the VDC relay box connector E48.
    2. Check the voltage between the VDC relay box connector and the ground.
      Fig 1: Checking Voltage Between VDC Relay Box Connector Terminal 9 & Ground
      G02409061Courtesy of NISSAN MOTOR CO., U.S.A.
      VOLTAGE REFERENCE DATA - VDC RELAY BOX CONNECTOR TERMINAL 9

      VDC relay box (Harness Connector E48)  Body ground  Voltage 
      9 (R/B)  - Battery voltage (approx. 12V) 

    OK or NG 

    1. OK : GO TO 4.
    2. NG : The circuit between the battery and VDC relay box harness connector E48 terminal 9 is open or shorted. Repair the circuit.
  4. ACTUATOR RELAY HARNESS INSPECTION 
    1. Disconnect the VDC/TCS/ABS control unit connector E47.
    2. Check the continuity between the VDC/TCS/ABS control unit connector E118 and the VDC relay box connector E47.
      Fig 2: Checking Continuity Between VDC/TCS/ABS Control Unit Connector Terminals 2, 36 & VDC Relay Box Connector Terminals 5, 7
      G02409062Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: VDC/TCS/ABS Control Unit Connector Terminals 2, 36 & VDC Relay Box Connector Terminals 5, 7 Continuity Specifications Table
      G02409063Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : GO TO 5.
    2. NG : Open or short in harness. Repair or replace the harness.
  5. ACTUATOR RELAY INSPECTION 

    Independently check the VDC actuator relay. Refer to ABS MOTOR RELAY AND ACTUATOR RELAY .

    OK or NG 

    1. OK : Replace VDC actuator assembly.
    2. NG : Replace the VDC relay box.
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