LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2017 >> Corolla iM Standard Trans >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows >> Power Window Control System - Diagnostic Codes & Symptom Tests >> Power Window Control System >> Symptom Tests >> Power Windows do not Operate Using All Window Switch [08/2016 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Windows do not Operate Using All Window Switch [08/2016 - ]: Procedure

  1. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - BATTERY AND BODY GROUND) 
    1. Disconnect the I4 power window regulator master switch assembly connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      I4-6 (B) - Body ground Ignition switch ON 11 to 14 V

      Standard Resistance

      Tester Connection Condition Specified Condition
      I4-1 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 
    1. Replace the power window regulator master switch assembly.

      Refer to REMOVAL [08/2016 - ]

      Result

      Proceed to
      NEXT

    NEXT 

    See step  3

  3. CHECK POWER WINDOW CONTROL SYSTEM 
    1. Check the operation of the power windows by using the power window regulator master switch assembly, power window regulator switch assembly and rear power window regulator switch assemblies (for LH door or RH door).

      Refer to OPERATION CHECK [08/2016 - ]

      OK

      All power windows operate normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY WAS DEFECTIVE) 

    Result: 

    NG 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [08/2016 - ]