If the power steering ECU and steering column assembly have been replaced, perform the rotation angle sensor initialization and
torque sensor zero point calibration See: Steering and Suspension/Steering/Testing and Inspection/Programming and
Relearning.
PROCEDURE
1. CHECK CONNECTOR CONNECTION CONDITION
(a) Check the installation condition of the motor rotation angle sensor connector.
OK:
The motor rotation angle sensor connector is securely connected to the power steering ECU.
NG -- CONNECT CONNECTOR
OK -- Continue to next step.
2. READ VALUE USING TECHSTREAM (MOTOR ROTATION ANGLE SENSOR)
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / EMPS / Data List.
(f) Select the item "Motor Rotation Angle" in the Data List and read the value displayed on the Techstream.
EMPS
OK:
During steering operation, motor rotation angle value changes from 0 to 360锟斤拷.
NG -- CHECK STEERING COLUMN ASSEMBLY
OK -- REPLACE POWER STEERING ECU See: Relays and Modules/Relays and Modules - Steering and Suspension/Relays and
Modules - Steering/Steering Control Module/Service and Repair/Removal
3. CHECK STEERING COLUMN ASSEMBLY
(a) Disconnect the connector from the motor rotation angle sensor.
(b) Measure the resistance according to the value(s) in the table below.
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