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Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (Diagnostics & Symptom Tests) >> Power Window Control System >> Symptom Tests >> All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter >> Procedure
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All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter: Procedure

  1. SYSTEM CHECK 
    1. Check if the vehicle is equipped with an occupant classification system.

      Result

      Result Proceed to
      w/ Occupant Classification System A
      w/o Occupant Classification System B

    B → See step   5 

    A: Go to next step 

  2. CHECK BASIC FUNCTION (WIRELESS AND POWER DOOR LOCK CONTROL SYSTEM) 
    1. Check that the wireless transmitter. Refer to OPERATION CHECK and driver door key cylinder (key linked switch). Refer to OPERATION CHECK lock and unlock all the doors normally.

      Result

      Result Proceed to
      Transmitter and driver door key cylinder operate normally A
      Transmitter does not operate normally B
      Driver door key cylinder does not operate normally C

    B → See step   8 

    C → See step   9 

    A: Go to next step 

  3. CHECK MANUAL UP / DOWN FUNCTION 
    1. Check that the manual up/down function using the multiplex network master switch assembly and power window regulator switch assembly can operate all the power windows. Refer to OPERATION CHECK .

      OK

      Manual up/down function is normal.

    NG → See step   10 

    OK: Go to next step 

  4. CHECK REMOTE UP / DOWN FUNCTION 
    1. Check that the remote up/down function using the multiplex network master switch assembly operates the power windows. Refer to OPERATION CHECK .

      OK

      Remote up/down function is normal.

    NG → See step   10 

    OK → See step   11 

  5. CHECK BASIC FUNCTION (POWER DOOR LOCK CONTROL SYSTEM) 
    1. Check that the driver door key cylinder (key linked switch) lock and unlock all the doors normally. Refer to OPERATION CHECK .

      OK

      Driver door key cylinder operates normally

    NG → See step   9 

    OK: Go to next step 

  6. CHECK MANUAL UP / DOWN FUNCTION 
    1. Check that the manual up/down function using the multiplex network master switch assembly and power window regulator switch assembly can operate all the power windows. Refer to OPERATION CHECK .

      OK

      Manual up/down function is normal.

    NG → See step   10 

    OK: Go to next step 

  7. CHECK REMOTE UP / DOWN FUNCTION 
    1. Check that the remote up/down function using the multiplex network master switch assembly operates the power windows. Refer to OPERATION CHECK .

      OK

      Remote up/down function is normal.

    NG → See step   10 

    OK → See step   11 

  8. GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (Proceed to Problem Symptoms Table). Refer to  PROBLEM SYMPTOMS TABLE 
  9. GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Problem Symptoms Table). Refer to  PROBLEM SYMPTOMS TABLE 
  10. GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table). Refer to  PROBLEM SYMPTOMS TABLE  
  11. REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to  REMOVAL