Terminals Of Ecu [12/2019 - ]

HINT: 

• The rack and pinion power steering gear assembly uses waterproof connectors. Therefore, voltage or waveforms cannot be checked with the connectors connected to the vehicle.
• Use the Data List and Active Test on the GTS to check the operation of the rack and pinion power steering gear assembly and check that communication is established.

  Refer to DATA LIST / ACTIVE TEST [12/2019 - 11/2023] , or refer to DATA LIST / ACTIVE TEST [11/2023 - ] 

1. CHECK WIRE HARNESS SIDE CONNECTOR 
   1. Disconnect the C67 rack and pinion power steering gear assembly connector and measure the voltage or resistance on the wire harness side.

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      *a

      Front view of wire harness connector (to Rack and Pinion Power Steering Gear Assembly)

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      Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
      C67-4 (IG) - Body ground	IG power source	Ignition switch ON	8 to 16 V*1 10.5 to 16 V*2
      C67-7 (PGND) - Body ground	Power ground	Always	Below 1 Ω
      C67-8 (PIG) - Body ground	Power source	Always	9 to 16 V
      C67-10 (CANH)	CAN communication line	-	-
      C67-11 (CANL)	CAN communication line	-	-

      *1: w/o Stop and Start System

      *2: w/ Stop and Start System