2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) C CODE Page 620

INSPECTION PROCEDURE

NOTICE:

- If the power steering ECU has been replaced with a new one, perform the rotation angle sensor initialization and torque

sensor zero point calibration See: Steering and Suspension/Steering/Testing and Inspection/Programming and Relearning.

- Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. READ VALUE USING TECHSTREAM (PIG POWER SUPPLY)

(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 "PIG Power Supply" in the Data List and read the value displayed on the Techstream.

EMPS

OK:

The normal condition value is displayed on the Techstream.

NG -- CHECK HARNESS AND CONNECTOR (POWER STEERING ECU - BATTERY AND BODY GROUND)

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

2. CHECK HARNESS AND CONNECTOR (POWER STEERING ECU - BATTERY AND BODY GROUND)

(a) Disconnect the connector from the power steering ECU.

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

Standard Voltage:

(c) Measure the resistance according to the value(s) in the table below.