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Terminals Of Ecu

  1. CHECK POWER WINDOW MASTER SWITCH 
    1. Measure the voltage and resistance according to the value(s) in the table below.
      Fig 1: Identifying M13 Power Window Master Switch Connector Terminals
      GTY196073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Tester Connection Wiring Color Terminal Description Switch Condition Specified Condition
      I3-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I3-3 (U) - I3-1 (E) P - W-B*1
      G - W-B*2      		 Power window motor UP output
      (driver side)      		 Ignition switch ON, driver side power window switch OFF Below 1 V
      I3-3 (U) - I3-1 (E) P - W-B*1
      G - W-B*2      		 Power window motor UP output
      (driver side)      		 Ignition switch ON, driver side power window switch UP (manual operation) 11 to 14 V
      I3-4 (D) - I3-1 (E) W - W-B*1
      Y - W-B*2      		 Power window motor DOWN output
      (driver side)      		 Ignition switch ON, driver side power window switch OFF Below 1 V
      I3-4 (D) - I3-1 (E) W - W-B*1
      Y - W-B*2      		 Power window motor DOWN output
      (driver side)      		 Ignition switch ON, driver side power window switch DOWN (manual operation) 11 to 14 V
      I3-4 (D) - I3-1 (E) W - W-B*1
      Y - W-B*2      		 Power window motor DOWN output
      (driver side)      		 Ignition switch ON, driver side power window switch OFF Below 1 V
      I3-4 (D) - I3-1 (E) W - W-B*1
      Y - W-B*2      		 Power window motor DOWN output
      (driver side)      		 Ignition switch ON, driver side power window switch fully DOWN (AUTO operation) 11 to 14 V
      I3-6 (B) - Body ground L - Body ground*1
      W - Body ground*2      		 Ignition power supply Ignition switch off Below 1 V
      I3-6 (B) - Body ground L - Body ground*1
      W - Body ground*2      		 Ignition power supply Ignition switch ON 11 to 14 V
      I3-10 (U) - I3-1 (E) G - W-B*1
      B - W-B*2      		 Power window motor UP output
      (rear RH)      		 Ignition switch ON, rear RH side power window switch OFF Below 1 V
      I3-10 (U) - I3-1 (E) G - W-B*1
      B - W-B*2      		 Power window motor UP output
      (rear RH)      		 Ignition switch ON, rear RH side power window switch UP 11 to 14 V
      I3-12 (U) - I3-1 (E) R - W-B Power window motor UP output
      (rear LH)      		 Ignition switch ON, rear LH side power window switch OFF Below 1 V
      I3-12 (U) - I3-1 (E) R - W-B Power window motor UP output
      (rear LH)      		 Ignition switch ON, rear LH side power window switch UP 11 to 14 V
      I3-13 (D) - I3-1 (E) L - W-B Power window motor DOWN output
      (rear LH)      		 Ignition switch ON, rear LH side power window switch OFF Below 1 V
      I3-13 (D) - I3-1 (E) L - W-B Power window motor DOWN output
      (rear LH)      		 Ignition switch ON, rear LH side power window switch DOWN 11 to 14 V
      I3-15 (D) - I3-1 (E) BR - W-B Power window motor DOWN output
      (passenger side)      		 Ignition switch ON, passenger side power window switch OFF Below 1 V
      I3-15 (D) - I3-1 (E) BR - W-B Power window motor DOWN output
      (passenger side)      		 Ignition switch ON, passenger side power window switch DOWN 11 to 14 V
      I3-16 (U) - I3-1 (E) G - W-B Power window motor UP output
      (passenger side)      		 Ignition switch ON, passenger side power window switch OFF Below 1 V
      I3-16 (U) - I3-1 (E) G - W-B Power window motor UP output
      (passenger side)      		 Ignition switch ON, passenger side power window switch UP 11 to 14 V
      I3-18 (D) - I3-1 (E) BR - W-B*1
      Y - W-B*2      		 Power window motor DOWN output
      (rear RH)      		 Ignition switch ON, rear RH side power window switch OFF Below 1 V
      I3-18 (D) - I3-1 (E) BR - W-B*1
      Y - W-B*2      		 Power window motor DOWN output
      (rear RH)      		 Ignition switch ON, rear RH side power window switch DOWN 11 to 14 V
      • *1: for TMC Made
      • *2: Except for TMC made

      If the result is not as specified, the master switch or wire harness may have a malfunction.

  2. CHECK POWER WINDOW SWITCH (PASSENGER SIDE) 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 2: Identifying H7 Power Window Switch Connector Terminals
      GTY196019Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Tester Connection Wiring Color Terminal Description Switch Condition Specified Condition
      H7-1 (D) - Body ground B - Body ground Power window motor DOWN output Ignition switch ON, power window switch OFF Below 1 V
      H7-1 (D) - Body ground B - Body ground Power window motor DOWN output Ignition switch ON, power window switch DOWN 11 to 14 V
      H7-2 (SD) - Body ground BR - Body ground Power window motor DOWN input (Remote) Ignition switch ON, power window master switch OFF Below 1 V
      H7-3 (B) - Body ground L - Body ground*1
      Y - Body ground*2      		 Ignition power supply Ignition switch OFF Below 1 V
      H7-3 (B) - Body ground L - Body ground*1
      Y - Body ground*2      		 Ignition power supply Ignition switch ON 11 to 14 V
      H7-2 (SD) - Body ground BR - Body ground Power window motor DOWN input (Remote) Ignition switch ON, power window master switch DOWN (Remote) 11 to 14 V
      H7-4 (U) - Body ground Y - Body ground*1
      L - Body ground*2      		 Power window motor UP output Ignition switch ON, power window switch OFF Below 1 V
      H7-4 (U) - Body ground Y - Body ground*1
      L - Body ground*2      		 Power window motor UP output Ignition switch ON, power window switch UP 11 to 14 V
      H7-5 (SU) - Body ground G - Body ground Power window motor UP input (Remote) Ignition switch ON, power window master switch OFF Below 1 V
      H7-5 (SU) - Body ground G - Body ground Power window motor UP input (Remote) Ignition switch ON, power window master switch UP (Remote) 11 to 14 V
      • *1: for TMC Made
      • *2: Except for TMC made

      If the result is not as specified, the switch or wire harness may have a malfunction.

  3. CHECK POWER WINDOW SWITCH (REAR LH SIDE) 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 3: Identifying K1 Power Window Switch Connector Terminals
      GTY169646Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Tester Connection Wiring Color Terminal Description Switch Condition Specified Condition
      K1-1 (D) - Body ground Y - Body ground Power window motor DOWN output Ignition switch ON, power window switch OFF Below 1 V
      K1-1 (D) - Body ground Y - Body ground Power window motor DOWN output Ignition switch ON, power window switch DOWN 11 to 14 V
      K1-2 (SD) - Body ground L - Body ground Power window motor DOWN input (Remote) Ignition switch ON, power window master switch OFF Below 1 V
      K1-2 (SD) - Body ground L - Body ground Power window motor DOWN input (Remote) Ignition switch ON, power window master switch DOWN (Remote) 11 to 14 V
      K1-3 (B) - Body ground P - Body ground Ignition power supply Ignition switch off Below 1 V
      K1-3 (B) - Body ground P - Body ground Ignition power supply Ignition switch ON 11 to 14 V
      K1-4 (U) - Body ground G - Body ground Power window motor UP output Ignition switch ON, power window switch OFF Below 1 V
      K1-4 (U) - Body ground G - Body ground Power window motor UP output Ignition switch ON, power window switch UP 11 to 14 V
      K1-5 (SU) - Body ground R - Body ground Power window motor UP input (Remote) Ignition switch ON, power window master switch OFF Below 1 V
      K1-5 (SU) - Body ground R - Body ground Power window motor UP input (Remote) Ignition switch ON, power window master switch UP (Remote) 11 to 14 V

      If the result is not as specified, the switch or wire harness may have a malfunction.

  4. CHECK POWER WINDOW SWITCH (REAR RH SIDE) 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 4: Identifying J1 Power Window Switch Connector Terminals
      GTY196020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Tester Connection Wiring Color Terminal Description Switch Condition Specified Condition
      J1-1 (D) - Body ground G - Body ground Power window motor DOWN output Ignition switch ON, power window switch OFF Below 1 V
      J1-1 (D) - Body ground G - Body ground Power window motor DOWN output Ignition switch ON, power window switch DOWN 11 to 14 V
      J1-2 (SD) - Body ground BR - Body ground*1
      Y - Body ground*2      		 Power window motor DOWN input (Remote) Ignition switch ON, power window master switch OFF Below 1 V
      J1-2 (SD) - Body ground BR - Body ground*1
      Y - Body ground*2      		 Power window motor DOWN input (Remote) Ignition switch ON, power window master switch DOWN (Remote) 11 to 14 V
      J1-3 (B) - Body ground L - Body ground*1
      BE - Body ground*2      		 Ignition power supply Ignition switch off Below 1 V
      J1-3 (B) - Body ground L - Body ground*1
      BE - Body ground*2      		 Ignition power supply Ignition switch ON 11 to 14 V
      J1-4 (U) - Body ground R - Body ground Power window motor UP output Ignition switch ON, power window switch OFF Below 1 V
      J1-4 (U) - Body ground R - Body ground Power window motor UP output Ignition switch ON, power window switch UP 11 to 14 V
      J1-5 (SU) - Body ground G - Body ground*1
      B - Body ground*2      		 Power window motor UP input (Remote) Ignition switch ON, power window master switch OFF Below 1 V
      J1-5 (SU) - Body ground G - Body ground*1
      B - Body ground*2      		 Power window motor UP input (Remote) Ignition switch ON, power window master switch UP (Remote) 11 to 14 V
      J1-2 (SD) - Body ground BR - Body ground*1
      Y - Body ground*2      		 Power window motor DOWN input (Remote) Ignition switch ON, power window master switch OFF Below 1 V
      • *1: for TMC Made
      • *2: Except for TMC made

      If the result is not as specified, the switch or wire harness may have a malfunction.

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