LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2009 >> Sentra SE-R >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass, Window System & Mirrors >> Service Information >> Rear Window Defogger >> Door Mirror Defogger Circuit Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Door Mirror Defogger Circuit Inspection

  1. CHECK FUSE

    Check if the following fuse in the fuse block (J/B) is blown.

    FUSE SPECIFICATION

    Component Parts Ampere Fuse No.
    Fuse block (J/B) 10A 8

    OK or NG 

    OK: GO TO 2.

    NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

  2. CHECK HEATED MIRROR RELAY POWER SUPPLY CIRCUIT
    1. Disconnect heated mirror relay.
    2. Turn ignition switch ON.
    3. Check voltage between heated mirror relay connector and ground.
    VOLTAGE SPECIFICATION

    Connector Terminals Voltage (V) (Approx.)
    (+) (-)
    E56 1 Ground Battery voltage
    3
    Fig 1: Checking Voltage Between Heated Mirror Relay Connector And Ground
    G04927949Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace harness.

  3. CHECK HEATED MIRROR RELAY GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Check continuity between heated mirror relay connector E56 terminal 2 and ground.

      2 - Ground : Continuity should exist. 

      Fig 2: Checking Continuity Between Heated Mirror Relay Connector E56 Terminal 2 And Ground
      G04927950Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness.

  4. INSPECTION OF HEATED MIRROR RELAY

    Check continuity between heated mirror relay terminals 3 and 5.

    CONTINUITY CHART

    Condition Continuity
    12V direct current supply between terminals 1 and 2 Yes
    No current supply No
    Fig 3: Checking Continuity Between Heated Mirror Relay Terminals 3 And 5
    G04899386Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 5.

    NG: Replace heated mirror relay.

  5. CHECK HARNESS CONTINUITY
    1. Disconnect door mirror (LH or RH).
    2. Check continuity between door mirror LH or RH connector (A) and heated mirror relay connector (B).
      CONTINUITY CHART

      Connector Terminal Connector Terminal Continuity
      A B
      D7 (LH) 1 E56 5 Yes
      D106 (RH)
    3. Check continuity between door mirror LH or RH connector (A) and ground.
      Fig 4: Checking Continuity Between Door Mirror LH Or RH Connector And Ground
      G04927952Courtesy of NISSAN MOTOR CO., U.S.A.
    CONTINUITY CHART

    A Ground Continuity
    Connector Terminal
    D7 (LH) 1 No
    D106 (RH)

    OK or NG 

    OK: GO TO 6.

    NG: Repair or replace harness.

  6. CHECK GROUND CIRCUIT

    Check continuity between door mirror LH or RH connector and ground.

    CONTINUITY CHART

    Connector Terminals Continuity
    D4 (LH) 2 Ground Battery voltage
    D106 (RH)
    Fig 5: Checking Continuity Between Door Mirror LH Or RH Connector And Ground
    G04927953Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace door mirror (LH or RH). Refer to "REMOVAL AND INSTALLATION ".

    NG: Repair or replace harness.

scientia non olet · About LEMON Manuals