2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) U CODE Page 309

OK -- Continue to next step.

4. CHECK FOR OPEN IN CAN BUS MAIN WIRE (CAN NO. 6 J/C - MAIN BODY ECU)

(a) Disconnect the CAN No. 6 junction connector.

Text in Illustration

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

Standard Resistance:

NG -- CHECK FOR OPEN IN CAN BUS MAIN WIRE (MAIN BODY ECU)

OK -- REPLACE CAN NO. 6 JUNCTION CONNECTOR

5. CHECK FOR OPEN IN CAN BUS MAIN WIRE (MAIN BODY ECU)

(a) Reconnect the CAN No. 6 junction connectors.

(b) Disconnect the main body ECU connector.

Text in Illustration

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

Standard Resistance:

NG -- REPAIR OR REPLACE CAN MS BUS MAIN WIRE OR CONNECTOR (CAN NO. 6 J/C - MAIN BODY ECU)

OK -- REPLACE MULTIPLEX NETWORK BODY ECU (MAIN BODY ECU) See: Power and Ground Distribution/Power

Distribution Module/Service and Repair/Removal

6. CHECK FOR SHORT IN CAN MS BUS WIRES (TILT AND TELESCOPIC ECU)

(a) Disconnect the tilt and telescopic ECU connector.