Inspection Procedure

NG: REPLACE CONVERTIBLE ROOF MOTOR 

OK: Go to Next Step 

1. Check the wire harness between the convertible roof control ECU and convertible roof motor LH.
   1. Disconnect the C17 ECU connector.
   2. Disconnect the C21 motor connector.
   3. Measure the resistance of the wire harness side connectors.

      Resistance 

      CONVERTIBLE ROOF CONTROL ECU AND CONVERTIBLE ROOF MOTOR LH
      
      

      Tester Connection	Specified Condition
      C17-7(TL+)-C21-1	Below 1 Ω
      C17-3 (TL-) - C21-2	Below 1 Ω
      C21-1 - Body ground	10 kΩ or higher
      C21 -2 - Body ground	10 kΩ or higher

      Fig 1: Identifying C17 ECU Connector And C21 Motor Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the wire harness between the convertible roof control ECU and convertible roof motor RH.
   1. Disconnect the C19 ECU connector.
   2. Disconnect the C22 motor connector.
   3. Measure the resistance of the wire harness side connectors.

      Resistance 

      CONVERTIBLE ROOF CONTROL ECU AND CONVERTIBLE ROOF MOTOR RH
      
      

      Tester Connection	Specified Condition
      C19-2(TSR+)-C22-1	Below 1 Ω
      C19-3(TSR-)-C22-2	Below 1 Ω
      C22-1 - Body ground	10 kΩ or higher
      C22-2 - Body ground	10 kΩ or higher

Fig 2: Identifying C19 ECU Connector And C22 Motor Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE CONVERTIBLE ROOF CONTROL ECU