2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) C CODE Page 738

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

- Before performing troubleshooting, inspect the connectors of related circuits.

- If DTC C1782 (Power Source Voltage Malfunction) is output at the same time, perform troubleshooting for C1782 first See:

C1782.

- Before replacing the suspension control ECU, perform all of the following again: 1) symptom simulation See: Accessories

and Optional Equipment/Antitheft and Alarm Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled

Systems/How To Proceed With Troubleshooting; 2) DTC inspection See: Steering and Suspension/Suspension/Testing and

Inspection/Reading and Clearing Diagnostic Trouble Codes; and 3) Techstream inspection (Data List or Active Test) See:

Steering and Suspension/Suspension/Testing and Inspection/Scan Tool Testing and Procedures. If no malfunctions are found

in other areas, replace the suspension control ECU.

- If the suspension control ECU is replaced, the vehicle height offset calibration and registration of vehicle identification

information must be performed See: Steering and Suspension/Suspension/Suspension Control ( Automatic - Electronic

)/Testing and Inspection/Calibration and See: Steering and Suspension/Suspension/Suspension Control ( Automatic -

Electronic )/Testing and Inspection/Registration)

PROCEDURE

1. INSPECT HEIGHT CONTROL VALVE NO. 1

(a) Disconnect the height control valve No. 1 connector.

(b) Measure the resistance according to the values in the table below.