Terminals Of Ecu

MULTIPLEX NETWORK DOOR COMPUTER FRONT LH

Fig 1: Identifying Multiplex Network Door Computer Front LH ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the ECU connectors D17, D18 and D19.
2. Check the voltage and continuity between each terminal of the vehicle's side connectors.
  Standard:
  
  Fig 2: Voltage And Continuity Between Each Terminal Of The Vehicle's Side Connectors - ECU Connectors D17, D18 And D19 Unplugged
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the ECU connectors D17, D18 and D19.
4. Check the voltage between each terminal of the connectors.
  
  Fig 3: Voltage Between Each Terminal Of The Connectors - ECU Connectors D17, D18 and D19 Plugged In
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  If the value is not as specified, a malfunction exists in the door ECU or the communication line.
MULTIPLEX NETWORK DOOR COMPUTER FRONT RH

Fig 4: Identifying Multiplex Network Door Computer Front RH ECU Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the ECU connectors P9, P10 and P11.
2. Check the voltage and continuity between each terminal of the vehicle's side connectors.
  Standard:
  
  Fig 5: Voltage And Continuity Between Each Terminal Of The Vehicle's Side Connectors - ECU Connectors P9, P10 And P11 Unplugged
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the ECU connectors P9, P10 and P11.
4. Check the voltage between each terminal of the connectors.
  
  Fig 6: Voltage Between Each Terminal Of The Connectors - ECU Connectors P9, P10 And P11 Plugged In
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  If the value is not as specified, a malfunction exists in the door ECU or the communication line.
THEFT WARNING COMPUTER

Fig 7: Identifying Theft Warning ECU T7 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the ECU T7 connector.
2. Check the voltage and continuity between each terminal of the vehicle's side connectors.
  Standard:
  
  Fig 8: Voltage And Continuity Between Each Terminal Of The Vehicle's Side Connectors - Theft Warning ECU T7 Connector Plugged In
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  If the value is not as specified, the vehicle side may be defective.
TRANSPONDER KEY COMPUTER ASSEMBLY
1. Disconnect the ECU T11 connector.
2. Check the voltage and continuity between each terminal of the vehicle's side connectors.
  Standard:
  
  Fig 9: Identifying Transponder Key ECU T11 Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 10: Voltage And Continuity Between Each Terminal Of The Vehicle's Side Connectors - Transponder Key ECU T11 Connector Unplugged
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT: If the value is not as specified, the vehicle side may be defective.