2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) C CODE Page 136

Codes.

(b) Start the engine.

(c) Drive the vehicle, accelerate to a speed of 3 km/h (2 mph or more, and check if the same DTC is output.

Result:

HINT

Reinstall the sensor, connectors, etc. and restore the vehicle to its prior condition before rechecking DTCs.

B -- CHECK INTERMITTENT PROBLEMS

A -- REPLACE 4WD ECU ASSEMBLY

From 08/2009

MF1A TRANSFER / 4WD / AWD: ACTIVE TORQUE CONTROL 4WD SYSTEM: C1241: Low Power Supply Voltage Malfunction

C1241 - Low Power Supply Voltage Malfunction

DESCRIPTION

If a malfunction in the power source circuit occurs, or a malfunction in communication with the skid control ECU or in a speed sensor occurs, the

4WD control ECU will prohibit operations by the fail-safe function.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

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

HINT

Check the condition of each related circuit connector before troubleshooting See: Accessories and Optional Equipment/Antitheft

and Alarm Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/Electronic Circuit Inspection

Procedure.

PROCEDURE

1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM AND BRAKE CONTROL SYSTEM)