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Remote Up / Down Function does not Operate: Wiring Diagram

Fig 1: Remote Up / Down Function Wiring Diagram (1 Of 2)
G04023006Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Remote Up / Down Function Wiring Diagram (2 Of 2)
G04023007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. CHECK MANUAL UP/DOWN FUNCTION 
    1. Check that the manual UP/DOWN function of each switch operates normally.

      OK: Manual UP/DOWN function operates normally. 

    NG : OTHER PROBLEM 

    OK : GO TO NEXT STEP 

  2. CHECK AUTO UP/DOWN FUNCTION 
    1. Check that the AUTO UP/DOWN function of each switch operates normally.

      OK: AUTO UP/DOWN function operates normally. 

    NG : OTHER PROBLEM 

    OK : GO TO NEXT STEP 

  3. READ VALUE USING INTELLIGENT TESTER 
    1. Check the DATA LIST for proper functioning of the power window switch on the master switch.

      Multiplex network master switch assembly 

      ITEM TESTER DIAGNOSIS CHART

      Item Measurement Item / Display (Range) Normal Condition Diagnostic Note
      P P/W AUTO SW Front passenger side power window switch auto UP/DOWN signal/ ON or OFF ON: Front passenger side power window AUTO switch operates
      OFF: Front passenger side power window auto switch does not operate      		 -
      P P/W UP SW Front passenger side power window switch UP signal/ ON or OFF ON: Front passenger side power window manual UP switch operates
      OFF: Front passenger side power window manual UP switch does not operate      		 -
      P P/W DOWN SW Front passenger side power window switch DOWN signal/ ON or OFF ON: Front passenger side power window manual DOWN switch operates OFF: Front passenger side power window manual DOWN switch does not operate - -
      RL P/W AUTO SW Rear power window LH switch auto UP/DOWN signal/ ON or OFF ON: Rear power window LH AUTO switch operates
      OFF: Rear power window LH AUTO switch does not operate      		 -
      RL P/W UP SW Rear power window LH switch UP signal/ ON or OFF ON: Rear power window LH manual UP switch operates
      OFF: Rear power window LH manual UP switch does not operate      		 -
      RL P/W DOWN SW Rear power window LH switch DOWN signal/ ON or OFF ON: Rear power window LH manual DOWN switch operates
      OFF: Rear power window LH manual DOWN switch does not operate      		 -
      RR P/W AUTO SW Rear power window RH switch auto UP/DOWN signal/ ON or OFF ON: Rear power window RH AUTO switch operates
      OFF: Rear power window RH AUTO switch does not operate      		 -
      RR P/W UP SW Rear power window RH switch UP signal/ ON or OFF ON: Rear power window RH manual UP switch operates
      OFF: Rear power window RH manual UP switch does not operate      		 -
      RR P/W DOWN SW Rear power window RH switch DOWN signal/ ON or OFF ON: Rear power window RH manual DOWN switch operates
      OFF: Rear power window RH manual DOWN switch does not operate      		 -

      OK: ON (power window regulator switch on master switch operates) appears on screen. 

    NG : Go to step 4 

    OK : REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 

  4. CHECK WIRE HARNESS (MULTIPLEX NETWORK DOOR ECU - MULTIPLEX NETWORK SWITCH ASSEMBLY) 
    1. Disconnect the M4, P2 and O3 ECU connectors.
    2. Disconnect the Q6, T1 and S1 switch connectors.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance: 

      Front passenger side 

      TESTER CONNECTION SPECIFICATION CHART

      Tester Connection Specified Condition
      M4-7 (MPX3) - Q6-4 (MPX1) Below 1 Ω
      M4-7 (MPX3) or Q6-4 (MPX1) - Body ground 10 kΩ or higher

      Rear LH 

      TESTER CONNECTION SPECIFICATION CHART

      Tester Connection Specified Condition
      P2-7 (MPX3) - T1-4 (MPX1) Below 1 Ω
      P2-20 (PWSL) - T1-11 (SEL2) Below 1 Ω
      P2-7 (MPX3) or T1-4 (MPX1) - Body ground 10 kΩ or higher
      P2-20 (PWSL) or T1-11 (SEL2) - Body ground 10 kΩ or higher

      Rear RH 

      TESTER CONNECTION SPECIFICATION CHART

      Tester Connection Specified Condition
      O3-7 (MPX1) - S1-4 (MPX1) Below 1 Ω
      O3-20 (PWSL) - S1-10 (SEL1) Below 1 Ω
      O3-7 (MPX3) or S1-4 (MPX) - Body ground 10 kΩ or higher
      O3-20 (PWSL) or S1-10 (SEL1) - Body ground 10 kΩ or higher
      Fig 3: Measuring Resistance Of Wire Harness Side Connectors
      G04023008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK : GO TO NEXT STEP 

  5. READ VALUE USING INTELLIGENT TESTER (WINDOW LOCK SIGNAL) 
    1. Check the DATA LIST for proper functioning of the power window switch on the master switch.

      Multiplex network master switch assembly 

      ITEM TESTER DIAGNOSIS CHART

      Item Measurement Item / Display (Range) Normal Condition Diagnostic Note
      P/W LOCK SW Power window LOCK switch signal ON/OFF ON: Power window LOCK switch ON
      OFF: Power window LOCK switch OFF      		 -

    NG : Go to step 6 

    OK : REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 

  6. CHECK WIRE HARNESS (MASTER SWITCH - SWITCH)) 
    1. Disconnect the R5 switch connector.
    2. Disconnect the Q6, T1 and S1 switch connectors.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance: 

      Front Passenger Side 

      TESTER CONNECTION SPECIFICATION CHART

      Tester Connection Specified Condition
      R5-6 (PWS) - Q6-9 (PCT) Below 1 Ω
      R5-6 (PWS) or Q6-9 (PCT) - Body ground 10 kΩ or higher

      Rear LH 

      TESTER CONNECTION SPECIFICATION CHART

      Tester Connection Specified Condition
      R5-6 (PWS) - T1-9 (PCT) Below 1 Ω
      R5-6 (PWS) or T1-9 (PCT) - Body ground 10 kΩ or higher

      Rear RH 

      TESTER CONNECTION SPECIFICATION CHART

      Tester Connection Specified Condition
      R5-6 (PWS) - S1-9 (PCT) Below 1 Ω
      R5-6 (PWS) or S1-9 (PCT) - Body ground 10 kΩ or higher
      Fig 4: Measuring Resistance Of Wire Harness Side Connectors
      G04023009Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK : REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 

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