Friday, July 12, 2019

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) C CODE Page 621


NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR



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



From 08/2009



POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: C1552: PIG Power Supply Voltage Malfunction



DESCRIPTION



If a problem occurs in the power steering system, the power source relay circuit is shut off to stop the power assist.



WIRING DIAGRAM



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.

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