2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) U CODE Page 302

NG -- CHECK FOR SHORT IN CAN MS BUS MAIN WIRE (CAN NO. 7 J/C MAIN WIRE)

OK -- REPLACE ECM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and

Repair/Removal

7. CHECK FOR SHORT IN CAN MS BUS MAIN WIRE (CAN NO. 7 J/C MAIN WIRE)

(a) Reconnect the ECM connector.

(b) Disconnect the CAN No. 7 junction connector.

Text in Illustration

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

Standard Resistance:

Result:

C -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 7 J/C - POWER MANAGEMENT

CONTROL ECU)

B -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 7 J/C - ECM)

A -- Continue to next step.

8. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 7 J/C - A/C ECU)

(a) Disconnect the air conditioning amplifier connector.

(b) Disconnect the CAN No. 7 junction connector.