POWER WINDOW CONTROL SYSTEM Rear Power Window LH does not Operate with Rear Power Window Switch LH

DESCRIPTION

• If the manual up/down function does not operate, there may be a malfunction in the rear power window regulator switch, rear power window regulator LH, harness or connector.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   CHECK LIN COMMUNICATION SYSTEM

   
   

   1. Check for LIN communication system DTCs related to the power window control system (Click here).

      OK
      LIN communication system DTCs are not output.

   
   
   • OKClick here
   • NGClick here
2. Click here

   CHECK FOR DTC (B2312)

   
   

   1. Check if DTC B2312 is output (Click here).

      OK
      DTC B2312 is not output.

   
   
   • OKClick here
   • NGClick here
3. Click here

   READ VALUE USING INTELLIGENT TESTER (REAR DOOR WINDOW REGULATOR ASSEMBLY LH)

   
   

   1. Use the Data List to check if the rear door window regulator is functioning properly (Click here).

      Table 1. RL-Door Motor

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      RL Door P/W Up SW	Rear power window LH manual up signal / ON or OFF	ON: Rear power window LH manual up switch operated OFF: Rear power window LH switch not operated	-
      RL Door P/W Down SW	Rear power window LH manual down signal / ON or OFF	ON: Rear power window LH manual down switch operated OFF: Rear power window LH switch not operated	-

      OK
      Display changes according to operation of rear power window switch LH.

   
   
   • OKClick here
   • NGClick here
4. Click here

   CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH - BODY GROUND)

   
   
   1. 

      Disconnect the M1 switch connector.

   2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition M1-1 (GND) - Body ground Always Below 1 Ω

      Table 2. Text in Illustration

      *1	Front view of wire harness connector (to Rear Power Window Regulator Switch LH)

   
   
   • OKClick here
   • NGClick here
5. Click here

   CHECK HARNESS AND CONNECTOR (REAR DOOR WINDOW REGULATOR ASSEMBLY LH - BATTERY AND BODY GROUND)

   
   
   1. 

      Disconnect the M3 regulator connector.

   2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition M3-2 (B) - Body ground Always 11 to 14 V

      Standard Resistance
      Tester Connection Condition Specified Condition M3-1 (GND) - Body ground Always Below 1 Ω

      Table 3. Text in Illustration

      *1	Front view of wire harness connector (to Rear Door Window Regulator LH)

   
   
   • OKClick here
   • NGClick here
6. Click here

   INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

   
   
   1. 

      Remove the rear power window regulator switch LH (Click here).

   2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Switch Condition Specified Condition 6 (UP) - 1 (GND) Manual up operation Below 1 Ω 7 (DOWN) - 1 (GND) Manual down operation Below 1 Ω

   
   
   • OKClick here
   • NGClick here
7. Click here

   CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH - REAR DOOR WINDOW REGULATOR ASSEMBLY LH)

   
   
   1. 

      Disconnect the M1 switch connector.

   2. Disconnect the M3 regulator connector.

   3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition M1-6 (UP) - M3-10 (UP) Always Below 1 Ω M1-7 (DOWN) - M3-7 (DOWN) Always Below 1 Ω M1-6 (UP) or M3-10 (UP) - Body ground Always 10 kΩ or higher M1-7 (DOWN) or M3-7 (DOWN) - Body ground Always 10 kΩ or higher

      Table 4. Text in Illustration

      *1	Front view of wire harness connector (to Rear Power Window Regulator Switch LH)
      *2	Front view of wire harness connector (to Rear Door Window Regulator LH)

   
   
   • OKClick here
   • NGClick here
8. Click here

   GO TO LIN COMMUNICATION SYSTEMClick here

9. Click here

   GO TO DTC B2312Click here

10. Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR

11. Click here

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LHClick here

12. Click here

    REPLACE REAR DOOR WINDOW REGULATOR ASSEMBLY LHClick here