LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2003 >> M45 >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Parking License & Tail Lamps >> Battery Saver Control Does Not Operate Properly

Battery Saver Control Does Not Operate Properly

  1. CHECK DOOR SWITCH SIGNAL 

    With CONSULT-II

    1. Select "INTERIOR ILLUMINATION" of "IVMS" on "SELECT SYSTEM" screen.
    2. Operate each door via "DOOR SW-DR" and "DOOR SW-PA" on "DATA MONITOR" screen and make sure that the switch turns on and off as commanded.
      Fig 1: Display DATA MONITOR
      G03142806Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II

    • Open and close the front door (driver side, passenger side) and make sure that the switch turns on and off by "switch monitor" in the self-diagnosis function.

    OK or NG

    1. OK: GO TO  6 .
    2. NG: Go to next step.
      • When front door switch (driver side) is malfunction, go to 2.
      • When front door switch (passenger side) is malfunction, go to  4 .
  2. CHECK FRONT DOOR SWITCH (DRIVER SIDE) CIRCUIT 
    1. Turn ignition switch to OFF position.
    2. Disconnect the BCM connector and the front door switch (driver side) connector.
    3. Check continuity between BCM harness connector B4 terminal 142 (R/Y) and front door switch (driver side) harness connector B20 terminal 1 (R/Y).
      1. Continuity should exist. 
    4. Check continuity between BCM harness connector B4 terminal 142 (R/Y) and ground.
      1. Continuity should not exist. 

    OK or NG

    1. OK: GO TO 3.
    2. NG: Repair harness or connector.
    Fig 2: Checking Harness Continuity & Continuity To Ground
    G03142807Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK FRONT DOOR SWITCH (DRIVER SIDE) 
    1. Check continuity between front door switch (driver side) harness connector B20 terminal 1 (R/Y) and ground.
      1. Switch released (ON): Continuity should exist. 
      2. Switch pressed (OFF): Continuity should not exist. 

    OK or NG

    1. OK: Replace the BCM.
    2. NG: Replace the front door switch (driver side).
    Fig 3: Checking Continuity Between Front Door Switch Harness Connector And Ground
    G03142808Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK FRONT DOOR SWITCH (PASSENGER SIDE) CIRCUIT 
    1. Disconnect the BCM and the front door switch (passenger side) connectors.
    2. Check continuity between BCM harness connector M4 terminal 37 (LG) and front door switch (passenger side) harness connector B220 terminal 1 (LG).
      1. Continuity should exist. 
    3. Check continuity between BCM harness connector M4 terminal 37 (LG) and ground.
      1. Continuity should not exist. 

    OK or NG

    1. OK: GO TO 5.
    2. NG: Repair harness or connector.
    Fig 4: Checking Harness Continuity & Continuity To Ground
    G03142809Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK FRONT DOOR SWITCH (PASSENGER SIDE) 

    Check continuity between front door switch (passenger side) connector B220 terminal 1 (LG) and ground.

    1. Switch released (ON): Continuity should exist. 
    2. Switch pressed (OFF): Continuity should not exist. 

    OK or NG

    1. OK: Replace the BCM.
    2. NG: Replace the front door switch (passenger side).
    Fig 5: Checking Continuity Between Front Door Switch Connector And Ground
    G03142810Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK RAP SIGNAL 
    1. Disconnect the headlamp battery saver control unit connector.
    2. Check voltage between headlamp battery saver control unit harness connector M34 terminal 10 (Y/R) and ground after turning off the ignition switch.
    CHECK RAP SIGNAL

    Connector Terminal (Wire color) Condition Voltage
    M34 10 (Y/R) Within 45 seconds after ignition switch is turned off Less than 1V
    Front door is opened or more than 45 seconds after ignition switch is turned off Battery voltage

    OK or NG

    1. OK: GO TO  8 .
    2. NG: GO TO 7.
    Fig 6: Checking Voltage Between Headlamp Battery Saver Control Unit Harness Connector And Ground
    G03142811Courtesy of NISSAN MOTOR CO., U.S.A.
  7. CHECK HARNESS CIRCUIT 
    1. Disconnect the BCM connector.
    2. Check continuity between headlamp battery saver control unit harness connector M34 terminal 10 (Y/R) and BCM harness connector R4 terminal 135 (Y/G).
      1. Continuity should exist. 
    3. Check continuity between headlamp battery saver control unit harness connector M34 terminal 10 (Y/R) and ground.
      1. Continuity should not exist. 

    OK or NG

    1. OK: Replace the BCM.
    2. NG: Repair harness or connector.
    Fig 7: Checking Harness Continuity & Continuity To Ground
    G03142812Courtesy of NISSAN MOTOR CO., U.S.A.
  8. CHECK LIGHTING SWITCH 

    Check continuity of lighting switch. Refer to SWITCH CIRCUIT INSPECTION in LIGHTING AND TURN SIGNAL SWITCH - M45 article.

    OK or NG

    1. OK: GO TO 9.
    2. NG: Replace the lighting switch.
  9. CHECK LIGHTING SWITCH POWER SUPPLY CIRCUIT 1 
    1. Disconnect the headlamp battery saver control unit and lighting switch connectors.
    2. Check continuity between headlamp battery saver control unit harness connector M33 terminal 5 (L) and lighting switch harness connector M55 terminal 11 (L).
      1. Continuity should exist. 
    3. Check continuity between headlamp battery saver control unit harness connector M33 terminal 5 (L) and ground.
      1. Continuity should not exist. 

    OK or NG

    1. OK: GO TO 10.
    2. NG: Repair harness or connector.
    Fig 8: Checking Harness Continuity & Continuity To Ground
    G03142813Courtesy of NISSAN MOTOR CO., U.S.A.
  10. CHECK LIGHTING SWITCH POWER SUPPLY CIRCUIT 2 
    1. Check continuity between headlamp battery saver control unit harness connector M34 terminal 13 (L) and lighting switch harness connector M55 terminal 11 (L).
      1. Continuity should exist. 
    2. Check continuity between headlamp battery saver control unit harness connector M34 terminal 13 (L) and ground.
      1. Continuity should not exist. 

    OK or NG

    1. OK: GO TO 11.
    2. NG: Repair harness or connector.
    Fig 9: Checking Harness Continuity & Continuity To Ground
    G03142814Courtesy of NISSAN MOTOR CO., U.S.A.
  11. CHECK LIGHTING SWITCH GROUND CIRCUIT 

    Check continuity between lighting switch harness connector M55 terminal 5 (B) and ground.

    1. Continuity should exist. 

    OK or NG

    1. OK: Replace headlamp battery saver control unit.
    2. NG: Repair harness.
    Fig 10: Checking Continuity Between Lighting Switch Harness Connector And Ground
    G03142815Courtesy of NISSAN MOTOR CO., U.S.A.
scientia non olet · About LEMON Manuals