POWER WINDOW CONTROL SYSTEM(for Models with Jam Protection Function on Driver Door Window Only) 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, power window rear regulator motor LH, multiplex network master switch assembly, harness or connector.

WIRING DIAGRAM

PROCEDURE

1. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

   
   

   1. 

      Remove the rear power window regulator switch assembly LH Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition 4 (U) - 3 (B) UP Below 1 Ω 2 (SD) - 1 (D) 5 (SU) - 4 (U) OFF Below 1 Ω 2 (SD) - 1 (D) 5 (SU) - 4 (U) DOWN Below 1 Ω 3 (B) - 1 (D)

   
   

   NG

   REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Click here

   OK

2. INSPECT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

   
   
   1. 

      Text in Illustration

      *1	Motor Gear
      *a	Counterclockwise
      *b	Clockwise

      Remove the rear window regulator motor assembly LH Click here.

   2. Apply battery voltage to the motor connector according to the table below.

      OK
      Measurement Condition Specified Condition Battery positive (+) → 1 Battery negative (-) → 2 Motor gear rotates clockwise Battery positive (+) → 2 Battery negative (-) → 1 Motor gear rotates counterclockwise

   
   

   NG

   REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

   OK

3. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH LH - BATTERY)

   
   
   1. 

      Text in Illustration

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

      Disconnect the J23 rear power window regulator switch assembly LH connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition J23-3 (B) - Body ground Ignition switch ON 11 to 14 V

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

4. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH LH - REAR POWER WINDOW REGULATOR MOTOR LH)

   
   

   1. Disconnect the J23 rear power window regulator switch assembly LH connector.

   2. Disconnect the J22 rear power window regulator motor assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition J23-4 (U) - J22-1 Always Below 1 Ω J23-1 (D) - J22-2 Always Below 1 Ω J23-4 (U) or J22-1 - Body ground Always 10 KΩ or higher J23-1 (D) or J22-2 - Body ground Always 10 KΩ or higher

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

5. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH LH - MULTIPLEX NETWORK MASTER SWITCH)

   
   

   1. Disconnect the J23 rear power window regulator switch assembly LH connector.

   2. Disconnect the I31*1 or I26*2 multiplex network master switch assembly connector.

      
      

      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD Tester Connection Condition Specified Condition J23-5 (SU) - I31-12 (U) Always Below 1 Ω J23-2 (SD) - I31-13 (D) Always Below 1 Ω J23-5 (SU) or I30-12 (U) - Body ground Always 10 kΩ or higher J23-2 (SD) or I30-13 (D) - Body ground Always 10 kΩ or higher
      for RHD Tester Connection Condition Specified Condition J23-5 (SU) - I26-18 (U) Always Below 1 Ω J23-2 (SD) - I26-10 (D) Always Below 1 Ω J23-5 (SU) or I26-18 (U) - Body ground Always 10 kΩ or higher J23-2 (SD) or I26-10 (D) - Body ground Always 10 kΩ or higher

   
   

   OK

   REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR