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Encoder Circuit Check Rear LH or RH

  1. CHECK REAR POWER WINDOW MOTOR LH OR RH POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect rear power window motor LH or RH.
    3. Turn ignition switch ON.
    4. Check voltage between rear power window motor LH or RH connector D204 (LH) or D304 (RH) terminal 4 and ground.

      4 - Ground : Approx. 10V 

    OK or NG 

    OK: GO TO  3.

    NG: GO TO 2.

    Fig 1: Checking Voltage Between Rear Power Window Motor LH Or RH Connector Terminal And Ground
    G04917129
  2. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect rear power window motor LH or RH and rear power window control unit LH or RH.
    3. Check continuity between rear power window motor LH or RH connector D204 (LH) or D304 (RH) (B) terminal 4 and rear power window control unit LH or RH connector D209 (LH) or D309 (RH) (A) terminal 5.

      4 - 5 : Continuity should exist. 

    OK or NG 

    OK: Replace rear power window switch LH or RH. Refer to "REMOVAL AND INSTALLATION ".

    NG: Repair or replace harness.

    Fig 2: Checking Continuity Between Rear Power Window Motor And Control Unit LH Or RH Connector Terminals
    G05231115
  3. CHECK ENCODER GROUND 
    1. Disconnect rear power window motor LH or RH.
    2. Check continuity between rear power window motor LH or RH connector D204 (LH) or D304 (RH) terminal 6 and ground.

      6 - Ground : Continuity should exist. 

    OK or NG 

    OK: GO TO  5.

    NG: GO TO 4.

    Fig 3: Checking Continuity Between Rear Power Window Motor LH Or RH Connector Terminal And Ground
    G04917131
  4. CHECK ENCODER GROUND CIRCUIT 
    1. Disconnect rear power window control unit LH or RH.
    2. Check continuity between rear power window motor LH or RH connector D204 (LH) or D304 (RH) terminal 6 and rear power window control unit LH or RH connector D209 (LH), D309 (RH) terminal 3.

      6 - 3 : Continuity should exist. 

    OK or NG 

    OK: Replace rear power window control unit LH or RH.

    NG: Repair or replace harness.

    Fig 4: Checking Continuity Between Rear Power Window Motor And Control Unit LH Or RH Connector Terminals
    G05231111
  5. CHECK ENCODER SIGNAL 
    1. Connect rear power window motor LH or RH and rear power window control unit LH or RH.
    2. Turn ignition switch ON.
    3. Check the signal between rear power window control unit LH or RH connector D209 (LH) or D309 (RH) terminal 4 and ground with oscilloscope.
      CONNECTOR TERMINALS REFERENCE CHART

      Connector Terminals Condition Signal
      (+) (-)
      D209 (LH) 4 Ground Opening
      G04877356
      D309 (RH) 4
      Fig 5: Checking Signal Between Rear Power Window Control Unit LH Or RH Connector Terminals And Ground With Oscilloscope
      G05231119

    OK or NG 

    OK: GO TO 6.

    NG: Replace rear power window control unit LH or RH.

  6. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect rear power window control unit LH or RH and rear power window motor LH or RH.
    3. Check continuity between rear power window control unit LH or RH connector D209 (LH) or D309 (RH) terminal 4 and rear power window motor LH or RH connector D204 (LH), D304 (RH) terminal 3.

      4 - 3 : Continuity should exist. 

      Fig 6: Checking Continuity Between Rear Power Window Control Unit And Motor LH Or RH Connector Terminals
      G05231120

    OK or NG 

    OK: Replace rear power window motor LH or RH. Refer to "REMOVAL AND INSTALLATION ".

    NG: Repair or replace harness.