Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1687 (Glass, Window System & Mirrors) >> Power Window System >> Rear Power Drop Glass Down Relay Check

Rear Power Drop Glass Down Relay Check

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK REAR POWER DROP GLASS UP RELAY POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect rear power drop glass down relay.
    3. Turn ignition switch ON.
    4. Check voltage between rear power drop glass down relay connector and ground.
      Fig 1: Checking Voltage Between Rear Power Drop Glass Down Relay Connector And Ground
      G04187893Courtesy of NISSAN MOTOR CO., U.S.A.
      VOLTAGE CHECK CHART

      Connector Terminals Voltage (V) (Approx.)
      (+) (-)
      M155 1 Ground Battery voltage
      5

    OK or NG 

    OK: GO TO 2.

    NG: Repair or replace harness.

  2. CHECK REAR POWER DROP GLASS DOWN RELAY 

    Check continuity between rear power drop glass down relay terminals 3 and 4, 3 and 5.

    Fig 2: Checking Continuity Between Rear Power Drop Glass Down Relay Terminals 3 And 4, 3 And 5
    G04187894Courtesy of NISSAN MOTOR CO., U.S.A.
    CONTINUITY CHECK CHART

    Terminal Condition Continuity
    3 4 12V direct current supply between terminals 1 and 2 No
    No current supply Yes
    3 5 12V direct current supply between terminals 1 and 2 Yes
    No current supply No

    OK or NG 

    OK: GO TO 3.

    NG: Replace rear power drop glass down relay.

  3. CHECK REAR POWER DROP GLASS DOWN RELAY GROUND CIRCUIT 

    Check continuity between rear power drop glass down relay connector M155 terminal 4 and ground.

    Fig 3: Checking Continuity Between Rear Power Drop Glass Down Relay Connector M155 Terminal 4 And Ground
    G04187895Courtesy of NISSAN MOTOR CO., U.S.A.

    4 - Ground: Continuity should exist. 

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness.

  4. CHECK REAR POWER DROP GLASS DOWN RELAY CIRCUIT 
    1. Disconnect rear power drop glass switch.
    2. Check continuity between rear power drop glass down relay connector M155 terminal 2 and rear power drop glass switch connector M156 terminal 5.

      2-5: Continuity should exist. 

    3. Fig 4: Checking Continuity Between Rear Power Drop Glass Down Relay Connector M155 Terminal 2 And M156 Terminal 5
      G04187896Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace rear power drop glass switch.

    NG: Repair or replace harness.