2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) C CODE Page 568

NG -- REPLACE STEERING COLUMN ASSEMBLY See: Steering and Suspension/Steering/Steering Column/Service and

Repair/Removal and Replacement/Removal

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

Up to 08/2009

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: C1511-C1514,C1517: Torque Sensor Circuit Malfunction

DESCRIPTION

The torque sensor converts the rotation torque input to the steering wheel into an electrical signal and sends it to the power steering ECU. Based on

this signal, the ECU detects steering effort.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

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 torque sensor connector.

OK:

Torque sensor connector is securely connected to the power steering ECU.

NG -- CONNECT CONNECTOR

OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM (TORQUE SENSOR1, TORQUE SENSOR2)

(a) Turn the engine switch off.