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Terminals Of Ecu

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 
    1. Disconnect the M17 power window regulator master switch assembly connector.
      Fig 1: Identifying M17 Power Window Regulator Master Switch Assembly Connector Terminal Identification
      GTY274034Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M17-8 (B) - M17-20 (GND) L - W-B +B power supply Always 11 to 14 V
      M17-9 (IGB) - M17-20 (GND) B - W-B Ignition power supply Engine switch off Below 1 V
      M17-9 (IGB) - M17-20 (GND) B - W-B Ignition power supply Engine switch on (IG) 11 to 14 V
      M17-10 (B) - M17-20 (GND) L - W-B +B power supply Always 11 to 14 V
      M17-20 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the M17 power window regulator master switch assembly connector.
    4. Initialize the power window regulator master switch assembly. Refer to INITIALIZATION .
    5. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M17-1 (UP) - M17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), driver door power window switch off Below 1 V
      M17-1 (UP) - M17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), driver door power window switch up (Manual operation) 11 to 14 V
      M17-1 (UP) - M17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), driver door power window fully open Below 1 V
      M17-1 (UP) - M17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), driver door power window switch up (Auto operation) 11 to 14 V
      M17-1 (UP) - M17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), driver door power window fully closed Below 1 V
      M17-11 (DN) - M17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), driver door power window switch off Below 1 V
      M17-11 (DN) - M17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), driver door power window switch down (Manual operation) 11 to 14 V
      M17-11 (DN) - M17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), driver door power window fully closed Below 1 V
      M17-11 (DN) - M17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), driver door power window switch down (Auto operation) 11 to 14 V
      M17-11 (DN) - M17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), driver door power window fully open Below 1 V
      M17-16 (PWS) - M17-20 (GND) P - W-B Power window lock switch output Engine switch on (IG), power window lock switch off 11 to 14 V
      M17-16 (PWS) - M17-20 (GND) P - W-B Power window lock switch output Engine switch on (IG), power window lock switch on Below 1 V
      M17-18 (VCC) - M17-3 (SGND) LG - BR Power window motor power source Engine switch on (IG), driver door power window switch off Below 1 V
      M17-18 (VCC) - M17-3 (SGND) LG - BR Power window motor power source Engine switch on (IG), driver door power window switch up or down 11 to 14 V

      If the result is not as specified, the power window regulator master switch assembly may have a malfunction.

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY 
    1. Disconnect the L17 power window regulator switch assembly connector.
      Fig 2: Identifying L17 Connector Terminals
      GTY274039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L17-8 (B) - L17-20 (GND) LG - W-B +B power supply Always 11 to 14 V
      L17-10 (B) - L17-20 (GND) L - W-B +B power supply Always 11 to 14 V
      L17-20 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the L17 power window regulator switch assembly connector.
    4. Initialize the power window regulator switch assembly. Refer to INITIALIZATION .
    5. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L17-1 (UP) - L17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), front passenger door power window switch off Below 1 V
      L17-1 (UP) - L17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), front passenger door power window switch up (Manual operation) 11 to 14 V
      L17-1 (UP) - L17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), front passenger door power window fully open Below 1 V
      L17-1 (UP) - L17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), front passenger door power window up (auto operation) 11 to 14 V
      L17-1 (UP) - L17-20 (GND) R - W-B Power window motor up output Engine switch on (IG), front passenger door power window fully closed Below 1 V
      L17-11 (DN) - L17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), front passenger door power window switch off Below 1 V
      L17-11 (DN) - L17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), front passenger door power window switch down (Manual operation) 11 to 14 V
      L17-11 (DN) - L17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), front passenger door power window fully closed Below 1 V
      L17-11 (DN) - L17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), front passenger door power window switch down (auto operation) 11 to 14 V
      L17-11 (DN) - L17-20 (GND) G - W-B Power window motor down output Engine switch on (IG), front passenger door power window fully open Below 1 V
      L17-16 (PCT) - L17-20 (GND) P - W-B Power window lock switch output Engine switch on (IG), power window lock switch off 11 to 14 V
      L17-16 (PCT) - L17-20 (GND) P - W-B Power window lock switch output Engine switch on (IG), power window lock switch on Below 1 V
      L17-18 (VCC) - L17-3 (SGND) LG - BR Power window motor power source Engine switch on (IG), front passenger door power window switch off Below 1 V
      L17-18 (VCC) - L17-3 (SGND) LG - BR Power window motor power source Engine switch on (IG), front passenger door power window switch up or down 11 to 14 V

      If the result is not as specified, the power window regulator switch assembly may have a malfunction.

  3. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side) 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 3: Identifying M16 Connector Terminals
      GTY256594Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M16-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), driver door power window switch off Below 1 V
      M16-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), driver door power window switch up (Manual operation) 11 to 14 V
      M16-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), driver door power window fully open Below 1 V
      M16-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), driver door power window switch up (auto operation) 11 to 14 V
      M16-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), driver door power window fully closed Below 1 V
      M16-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), driver door power window switch off Below 1 V
      M16-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), driver door power window switch down (Manual operation) 11 to 14 V
      M16-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), driver door power window fully closed Below 1 V
      M16-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), driver door power window switch down (auto operation) 11 to 14 V
      M16-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), driver door power window fully open Below 1 V
      M16-4 (SSRB) - M16-6 (E) LG - BR Power window motor power source Engine switch on (IG), driver door power window switch off Below 1 V
      M16-4 (SSRB) - M16-6 (E) LG - BR Power window motor power source Engine switch on (IG), driver door power window switch up or down 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for driver side) may have a malfunction.

  4. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 4: Identifying L15 Connector Terminals
      GTY256596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L15-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), front passenger door power window switch off Below 1 V
      L15-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), front passenger door power window switch up (Manual operation) 11 to 14 V
      L15-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), front passenger door power window fully open Below 1 V
      L15-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), front passenger door power window switch up (Auto operation) 11 to 14 V
      L15-2 (U) - Body ground R - Body ground Power window motor up output Engine switch on (IG), front passenger door power window fully closed Below 1 V
      L15-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), front passenger door power window switch off Below 1 V
      L15-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), front passenger door power window switch down (Manual operation) 11 to 14 V
      L15-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), front passenger door power window fully closed Below 1 V
      L15-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), front passenger door power window switch down (Auto operation) 11 to 14 V
      L15-1 (D) - Body ground G - Body ground Power window motor down output Engine switch on (IG), front passenger door power window fully open Below 1 V
      L15-4 (SSRB) - L15-6 (E) LG - BR Power window motor power source Engine switch on (IG), front passenger door power window switch off Below 1 V
      L15-4 (SSRB) - L15-6 (E) LG - BR Power window motor power source Engine switch on (IG), front passenger door power window switch up or down 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for front passenger side) may have a malfunction.

  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side) 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 5: Identifying Q19 Connector Terminals
      GTY279939Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      Q19-1 (D) - Body ground B - Body ground Quarter window motor LH operation signal Quarter window LH open operation Below 1 V
      Q19-1 (D) - Body ground B - Body ground Quarter window motor LH operation signal Quarter window LH close operation 11 to 14 V
      Q19-2 (U) - Body ground W - Body ground Quarter window motor LH operation signal Quarter window LH open operation 11 to 14 V
      Q19-2 (U) - Body ground W - Body ground Quarter window motor LH operation signal Quarter window LH close operation Below 1 V
      Q19-6 (LMT) - Q19-5 (E) L - W-B Window regulator limit switch signal Window regulator limit switch off (quarter window fully closed) Below 1 V
      Q19-6 (LMT) - Q19-5 (E) L - W-B Window regulator limit switch signal Window regulator limit switch on (quarter window fully open) 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly (for rear LH side) may have a malfunction.

  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side) 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 6: Identifying P44 Connector Terminals
      GTY279940Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P44-6 (LMT) - P44-5 (E) L - W-B Window regulator limit switch signal Window regulator limit switch off (quarter window fully closed) Below 1 V
      P44-6 (LMT) - P44-5 (E) L - W-B Window regulator limit switch signal Window regulator limit switch on (quarter window fully open) 11 to 14 V
      P44-2 (U) - Body ground W - Body ground Quarter window motor RH operation signal Quarter window RH open operation Below 1 V
      P44-2 (U) - Body ground W - Body ground Quarter window motor RH operation signal Quarter window RH close operation 11 to 14 V
      P44-1 (D) - Body ground B - Body ground Quarter window motor RH operation signal Quarter window RH open operation 11 to 14 V
      P44-1 (D) - Body ground B - Body ground Quarter window motor RH operation signal Quarter window RH close operation Below 1 V

      If the result is not as specified, the power window regulator motor assembly (for rear RH side) may have a malfunction.

  7. CHECK SLIDING ROOF CONTROL ECU ASSEMBLY 
    1. Disconnect the P54 and P55 sliding roof ECU assembly connectors.
      Fig 7: Identifying P54, P55 And P53 Connector Terminals
      GTY270842Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P53-23 (WADN) - P54-6 (E5) R - W-B All window switch auto down input DOWN switch pressed down (one touch operation) Below 1 Ω
      P54-1 (B5) - Body ground BE - Body ground Battery power supply Always 11 to 14 V
      P54-4 (B1) - Body ground Y - Body ground Battery power supply Always 11 to 14 V
      P54-6 (E5) - Body ground W-B - Body ground Ground Always Below 1 Ω
      P54-9 (E1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      P55-2 (B7) - Body ground P - Body ground Battery power supply Always 11 to 14 V
      P55-3 (B3) - Body ground L - Body ground Battery power supply Always 11 to 14 V
      P55-6 (E7) - Body ground W-B - Body ground Ground Always Below 1 Ω
      P55-9 (E3) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the P54 and P55 sliding roof ECU assembly connectors.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P53-6 (QWR) - Body ground L - Body ground Window regulator limit switch signal Window regulator limit switch off (quarter window full closed) 11 to 14 V
      P53-6 (QWR) - Body ground L - Body ground Window regulator limit switch signal Window regulator limit switch on (quarter window full open) Below 1 V
      P54-11 (QWR-) - P54-9 (E1) W - W-B Quarter window motor RH operation signal Quarter window RH open operation Below 1 V
      P54-11 (QWR-) - P54-9 (E1) W - W-B Quarter window motor RH operation signal Quarter window RH close operation 11 to 14 V
      P54-12 (QWR+) - P54-9 (E1) B - W-B Quarter window motor RH operation signal Quarter window RH open operation 11 to 14 V
      P54-12 (QWR+) - P54-9 (E1) B - W-B Quarter window motor RH operation signal Quarter window RH close operation Below 1 V

      If the result is not as specified, the sliding roof ECU assembly may have a malfunction.

    5. Disconnect the Q33, Q34, Q35 and Q36 sliding roof ECU assembly connectors.
      Fig 8: Identifying Q33, Q34, Q35 And Q36 Connector Terminals
      GTY272574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      Q33-2 (E2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      Q34-4 (B4) - Q36-5 (SGND) L - W-B Battery power supply Always 11 to 14 V
      Q34-5 (B6) - Q36-5 (SGND) BE - W-B Battery power supply Always 11 to 14 V
      Q34-6 (E6) - Body ground W-B - Body ground Ground Always Below 1 Ω
      Q34-9 (E4) - Body ground W-B - Body ground Ground Always Below 1 Ω
      Q35-3 (B8) - Body ground P - Body ground Battery power supply Always 11 to 14 V
      Q35-4 (E8) - Body ground W-B - Body ground Ground Always Below 1 Ω
      Q35-20 (WDN) - Q36-5 (SGND) GR - W-B All window switch manual down input DOWN switch pressed halfway down Below 1 Ω
      Q35-21 (WUP) - Q36-5 (SGND) P - W-B All window switch manual up input UP switch pulled up Below 1 Ω
      Q36-4 (IG) - Body ground B - Body ground Engine switch power supply Engine switch on (IG) 11 to 14 V
      Q36-5 (SGND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      Q36-6 (ECUB) - Q36-5 (SGND) LG - W-B Battery power supply Always 11 to 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

    7. Reconnect the Q34, Q35 and Q36 sliding roof ECU assembly connectors.
    8. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      Q33-1 (QWL+) - Q33-2 (E2) B - W-B Quarter window motor LH operation signal Quarter window LH open operation 11 to 14 V
      Q33-1 (QWL+) - Q33-2 (E2) B - W-B Quarter window motor LH operation signal Quarter window LH close operation Below 1 V
      Q33-5 (QWL-) - Q33-2 (E2) W - W-B Quarter window motor LH operation signal Quarter window LH open operation Below 1 V
      Q33-5 (QWL-) - Q33-2 (E2) W - W-B Quarter window motor LH operation signal Quarter window LH close operation 11 to 14 V
      Q36-17 (QWL) - Body ground L - Body ground Window regulator limit switch signal Window regulator limit switch off (quarter window fully closed) 11 to 14 V
      Q36-17 (QWL) - Body ground L - Body ground Window regulator limit switch signal Window regulator limit switch on (quarter window fully open) Below 1 V

      If the result is not as specified, the sliding roof ECU assembly may have a malfunction.

  8. CHECK MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH) 
    1. Disconnect the RK, RN and RD junction block connectors.
      Fig 9: Identifying RK, RN And RD Junction Block Connector
      GTY286650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      RK-5 (BECU) - Body ground G-R - Body ground Battery power supply Always 11 to 14 V
      RN-1 (BATB) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      RD-7 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      RD-17 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness side.

    3. Reconnect the RK, RN, and RD junction block connectors.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P1-14 (DCTY) - Body ground V - Body ground Driver side door courtesy light switch input Driver door open Below 1 V
      P1-14 (DCTY) - Body ground V - Body ground Driver side door courtesy light switch input Driver door closed 11 to 14 V
      J75-23 (PCTY) - Body ground W - Body ground Front passenger side door courtesy light switch input Front passenger door open Below 1 V
      J75-23 (PCTY) - Body ground W - Body ground Front passenger side door courtesy light switch input Front passenger door closed 11 to 14 V

      If the result is not as specified, the main body ECU RH (cowl side junction block RH) may have a malfunction.

  9. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    1. Disconnect the P33 certification ECU (smart key ECU assembly) connector.
      Fig 10: Identifying P33 Connector Terminal
      GTY288515Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P33-1 (+B1) - Body ground G - Body ground +B power supply Always 11 to 14 V
      P33-17 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      • If the result is not as specified, the wire harness side may have a malfunction.
    3. Reconnect the P33 certification ECU (smart key ECU assembly) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P33-18 (IG) - Body ground LG - Body ground Ignition power supply Engine switch off Below 1 V
      P33-18 (IG) - Body ground LG - Body ground Ignition power supply Engine switch on (IG) 11 to 14 V
      P33-19 (ACC) - Body ground BE - Body ground ACC power supply Engine switch off Below 1 V
      P33-19 (ACC) - Body ground BE - Body ground ACC power supply Engine switch on (ACC) 11 to 14 V
      P33-29 (RC0) - P33-17 (E) LG - W-B Entry door control receiver power source Engine switch off, all doors closed and electrical key switch on 4.5 to 5.5 V
      P33-29 (RC0) - P33-17 (E) LG - W-B Entry door control receiver power source Engine switch off, all doors closed and electrical key switch off Below 1 V
      P33-38 (RDA) - P33-17 (E) R - W-B Entry door control receiver data input signal Engine switch off, all doors closed and electrical key switch off 11 to 14 V
      P33-38 (RDA) - P33-17 (E) R - W-B Entry door control receiver data input signal Engine switch off, all doors closed and electrical key switch on Pulse generation
      P33-38 (RDA) - Body ground R - Body ground Tuner input signal Engine switch off, all doors closed, electrical key not in detection area 11 to 14 V
      P33-38 (RDA) - Body ground R - Body ground Tuner input signal Electrical key in detection area Pulse generation
      P33-39 (RSSI) - P33-17 (E) Y - W-B Entry door control receiver electric wave existence signal Engine switch off, all doors closed, electrical key not in detection area 11 to 14 V
      P33-39 (RSSI) - P33-17 (E) Y - W-B Entry door control receiver electric wave existence signal Engine switch off, all doors closed, electrical key in detection area Below 1 V

      If the result is not as specified, the certification ECU (smart key ECU assembly) may have a malfunction.

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