Terminals Of Ecu

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

CHECK MULTIPLEX NETWORK DOOR ECU FRONT LH (DRIVER DOOR ECU)

Fig 1: Identifying Multiplex Network Door ECU Front LH (Driver Door ECU) Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the D24, D25 and F23^*1 (D38^*2 ) ECU connectors.
2. Measure the voltage and resistance of each terminal of the wire harness side connector.
  Standard:
  
  Fig 2: Multiplex Network Door ECU Front LH (Driver Door ECU) Terminals Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, there may be a malfunction on the wire harness side.
3. Reconnect the D24, D25 and F23^*1 (D38^*2 ) ECU connectors.
4. Measure the voltage of each terminal of the connectors.
  Standard:
  
  Fig 3: Multiplex Network Door ECU Front LH (Driver Door ECU) Terminals Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, the ECU may have a malfunction.
CHECK MULTIPLEX NETWORK DOOR ECU FRONT RH (PASSENGER DOOR ECU)

Fig 4: Identifying Multiplex Network Door ECU Front RH (Passenger Door ECU) Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the F16, F17 and F24^*1 (F25^*2 ) ECU connectors.
2. Measure the voltage and resistance of each terminal of the wire harness side connector.
  Standard:
  
  Fig 5: Multiplex Network Door ECU Front RH (Passenger Door ECU) Terminals Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, there may be a malfunction on the wire harness side.
3. Reconnect the F16, F17 and F24^*1 (F25^*2 ) ECU connectors.
4. Measure the voltage of each terminal of the connectors.
  Standard:
  
  Fig 6: Multiplex Network Door ECU Front RH (Passenger Door ECU) Terminals Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, the ECU may have a malfunction.
CHECK MULTIPLEX NETWORK DOOR ECU REAR LH (REAR LEFT DOOR ECU)

Fig 7: Identifying Multiplex Network Door ECU Rear LH (Rear Left Door ECU) Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the R13 and R36^*1 (R32^*2 ) ECU connectors.
2. Measure the voltage and resistance of each terminal of the wire harness side connector.
  Standard:
  
  Fig 8: Multiplex Network Door ECU Rear LH (Rear Left Door ECU) Terminals Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, there may be a malfunction on the wire harness side.
3. Reconnect the R13 and R36^*1 (R32^*2 ) ECU connectors.
4. Measure the voltage of each terminal of the connectors.
  Standard:
  
  Fig 9: Multiplex Network Door ECU Rear LH (Rear Left Door ECU) Terminals Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, the ECU may have a malfunction.
CHECK MULTIPLEX NETWORK DOOR ECU REAR RH (REAR RIGHT DOOR ECU)

Fig 10: Identifying Multiplex Network Door ECU Rear RH (Rear Right Door ECU) Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the R14 and R37^*1 (R35^*2 ) ECU connectors.
2. Measure the voltage and resistance of each terminal of the wire harness side connector.
  Standard:
  
  Fig 11: Multiplex Network Door ECU Rear RH (Rear Right Door ECU) Terminals Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, there may be a malfunction on the wire harness side.
3. Reconnect the R14 and R37^*1 (R35^*2 ) ECU connectors.
4. Measure the voltage of each terminal of the connectors.
  Standard:
  
  Fig 12: Multiplex Network Door ECU Rear RH (Rear Right Door ECU) Terminals Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, the ECU may have a malfunction.