SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA201886 GT, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEWINDOWSPOWER WINDOW CONTROL SYSTEM - DIAGNOSTIC CODES & SYMPTOM TESTSPOWER WINDOW CONTROL SYSTEMREMOTE UP / DOWN FUNCTION DOES NOT OPERATE [06/2016 - ]PROCEDURE
2018 Toyota 86 GT, Standard Trans

Remote Up / Down Function does not Operate [06/2016 - ]: Procedure

2018 Toyota 86 GT, Standard TransSECTION Procedure
  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (WINDOW LOCK SWITCH) 
    1. Turn the window lock switch off and operate the switches on the power window regulator master switch assembly. Check that the remote UP/DOWN function operates normally.

      OK

      Remote UP/DOWN function operates normally.

    Result: 

    NG 

    REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

    (Refer to REMOVAL [06/2016 - ] )

    Result: 

    OK 

    See step  2

  2. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Main Body / Data List.
    5. Read the Data List according to the display on the Techstream.
      MASTER SWITCH

      Tester Display Test Part Control Range Diagnostic Note
      P Door P/W Remote Auto SW Front passenger side power window auto switch signal from driver side / ON or OFF ON: Front passenger side power window auto up/down switch from driver side operated
      OFF: Front passenger side power window switch from driver side not operated      		 -
      P Door P/W Remote Up SW Front passenger side power window manual up signal from driver side / ON or OFF ON: Front passenger side power window manual up switch from driver side operated
      OFF: Front passenger side power window switch from driver side not operated      		 -
      P Door P/W Remote Down SW Front passenger side power window manual down switch from driver side /OFF or ON ON: Front passenger side power window manual down switch from driver side operated
      OFF: Front passenger side power window switch from driver side not operated      		 -

      OK

      The Techstream display changes normally when master switch is operated.

    Result: 

    NG 

    REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

    (Refer to REMOVAL [06/2016 - ] )

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - POWER WINDOW REGULATOR SWITCH ASSEMBLY) 
    1. Disconnect the E8 power window regulator master switch assembly connector.
    2. Disconnect the F6 power window regulator switch assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      E8-2 (UART) - F6-2 (UART) Always Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      E8-2 (UART) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY 

    (Refer to REMOVAL [06/2016 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.