Toyota Avalon Service & Repair Manual: Terminals Of Ecu

TERMINALS OF ECU

TERMINALS OF ECU

*a

Component without harness connected

(Rack and Pinion Power Steering Gear Assembly)

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-

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 Techstream to check the operation of the rack and pinion power steering gear assembly and check that communication is established.

    Click here

Terminal No. (Symbol)

Terminal Description

C67-4 (IG)

IG power source

C67-7 (PGND)

power ground

C67-8 (PIG)

power source

C67-10 (CANH)

CAN communication line

C67-11 (CANL)

CAN communication line

CHECK WIRE HARNESS SIDE CONNECTOR

*a

Front view of wire harness connector

(to Rack and Pinion Power Steering Gear Assembly)

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-

(a) Disconnect the C67 rack and pinion power steering gear assembly.

(b) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

C67-4 (IG) - Body ground

W - Body ground

IG power source

Power switch on (IG)

8 to 16 V

C67-7 (PGND) - Body ground

B - Body ground

power ground

Always

Below 1 Ω

C67-8 (PIG) - Body ground

W - Body ground

power source

Always

9 to 16 V

    System Diagram

    Lost Communication With Steering Angle Sensor Module (U0126,U0129,U023A,U0293)

    See More:

    Toyota Avalon Service & Repair Manual > Lane Departure Alert System (w/ Steering Control)(for Gasoline Model): Power Steering Control Torque (C1A71)
    DESCRIPTION If the power steering ECU (rack and pinion power steering gear assembly) detects an abnormality in the steering torque requested by the forward recognition camera, the power steering ECU (rack and pinion power steering gear assembly) sends a malfunction signal to the forward recognition ...

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