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Auto Aiming Does Not Operate (Check Aiming Motor System Circuit)

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK AIMING MOTOR 
    1. Start engine and turn lighting switch to 2ND position.
    2. Select "LEVELIZER TEST" of ADAPTIVE LIGHT active test item.
    3. Touch "ORIGIN" or "PEAK" screen.
    4. Make sure of aiming motor operation.

    OK or NG 

    OK: Replace AFS control unit. Refer to "REMOVAL AND INSTALLATION OF AFS CONTROL UNIT ".

    NG: GO TO 2.

  2. CHECK AIMING MOTOR DRIVE SIGNAL 

    CONSULT-III ACTIVE TEST

    1. Start engine and turn lighting switch to 2ND position.
    2. Select "LEVELIZER TEST" of ADAPTIVE LIGHT active test item.
    3. Touch "ORIGIN" or "PEAK" screen.
    4. Check voltage between AFS control unit harness connector and ground.
    TERMINALS VOLTAGE REFERENCE CHART

    (+) (-) Condition Voltage (Approx.)
    AFS control unit connector Terminal
    RH F110 19 Ground ORIGIN 10.6 V
    PEAK 1.9 V
    LH 40 ORIGIN 10.6 V
    PEAK 1.9 V

    OK or NG 

    OK: GO TO 3.

    NG: GO TO  6.

    Fig 1: Checking Voltage Between AFS Control Unit Harness Connector And Ground
    G05214659Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front combination lamp RH and LH connector.
    3. Start engine and turn lighting switch to 2ND position.
    4. Select "LEVELIZER TEST" of ADAPTIVE LIGHT active test item.
    5. Touch "ORIGIN" or "PEAK" screen.
    6. Check voltage between front combination lamp (LH and RH) harness connector and ground.
    TERMINALS VOLTAGE REFERENCE CHART

    (+) (-) Condition Voltage (Approx.)
    Front combination lamp connector Terminal
    RH E70 12 Ground ORIGIN 10.6 V
    PEAK 1.9 V
    LH E71 12 ORIGIN 10.6 V
    PEAK 1.9 V

    OK or NG 

    OK: GO TO 4.

    NG: Repair harness or connector.

    Fig 2: Checking Voltage Between Front Combination Lamp (LH And RH) Harness Connector And Ground
    G05214660Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK AIMING MOTOR POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Turn ignition switch ON.
    3. Check voltage between front combination lamp (RH and LH) harness connector and ground.
      TERMINALS VOLTAGE REFERENCE CHART

      (+) (-) Voltage (Approx.)
      Front combination lamp connector Terminal
      RH E70 13 Ground Battery voltage
      LH E71 13

    OK or NG 

    OK: GO TO 5.

    NG: Repair harness or connector.

    Fig 3: Checking Voltage Between Front Combination Lamp (RH And LH) Harness Connector And Ground
    G05214661Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK AIMING MOTOR GROUND 
    1. Turn ignition switch OFF.
    2. Check continuity between front combination lamp (RH and LH) harness connector and ground.
      TERMINALS CONTINUITY REFERENCE CHART

      Front combination lamp connector Terminal Ground Continuity
      RH E70 11 Yes
      LH E71 11

    OK or NG 

    OK: Replace front combination lamp RH and LH (aiming motor malfunction). Refer to "REMOVAL AND INSTALLATION OF FRONT COMBINATION LAMP ".

    NG: Repair harness or connector.

    Fig 4: Checking Continuity Between Front Combination Lamp (RH And LH) Harness Connector And Ground
    G05214662Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front combination lamp RH and LH connector.
    3. Start engine and turn lighting switch to 2ND position.
    4. Select "LEVELIZER TEST" of ADAPTIVE LIGHT active test item.
    5. Touch "ORIGIN" or "PEAK" screen.
    6. Check voltage between AFS control unit harness connector and ground.
    TERMINALS VOLTAGE REFERENCE CHART

    (+) (-) Condition Voltage (Approx.)
    AFS control unit connector Terminal
    RH F110 19 Ground ORIGIN 10.6 V
    PEAK 1.9 V
    LH 40 ORIGIN 10.6 V
    PEAK 1.9 V

    OK or NG 

    OK: Replace front combination lamp RH and LH (aiming motor malfunction). Refer to "REMOVAL AND INSTALLATION OF FRONT COMBINATION LAMP ".

    NG: GO TO 7.

    Fig 5: Checking Voltage Between AFS Control Unit Harness Connector And Ground
    G05214663Courtesy of NISSAN MOTOR CO., U.S.A.
  7. CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect AFS control unit connector.
    3. Check continuity between AFS control unit harness connector (A) and front combination lamp (LH or RH) harness connector (B).
      TERMINALS CONTINUITY REFERENCE CHART

      Circuit A B Continuity
      Connector Terminal Connector Terminal
      RH F110 19 E70 12 Yes
      LH 40 E71 12
    4. Check continuity between AFS control unit harness connector (A) and ground.
      TERMINALS CONTINUITY REFERENCE CHART

      A Ground Continuity
      Connector Terminal
      F110 19 No
      40

    OK or NG 

    OK: Replace AFS control unit. Refer to "REMOVAL AND INSTALLATION OF AFS CONTROL UNIT ".

    NG: Repair harness or connector.

    Fig 6: Checking Continuity Between AFS Control Unit And Front Combination Lamp (LH Or RH) Harness Connector
    G05214664Courtesy of NISSAN MOTOR CO., U.S.A.
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