2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) U CODE Page 249

Standard Resistance:

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NG -- REPLACE DRIVING SUPPORT ECU See: Cruise Control/Cruise Control Module/Service and Repair/Removal

OK -- REPLACE HEADLIGHT SWIVEL ECU (AFS ECU) See: Lighting and Horns/Headlamp/Headlamp Alignment Control

Module/Service and Repair/Removal

12. CHECK FOR SHORT IN CAN NO. 2 BUS WIRE (CAN NO. 4 J/C)

(a) Reconnect the CAN No. 3 junction connector.

(b) Disconnect the CAN No. 4 junction connector.

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

Standard Resistance:

Result:

C -- CHECK FOR SHORT IN CAN NO. 2 BUS WIRE (CAN J/C NO. 5)

B -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 3 J/C - CAN NO. 4 J/C)

A -- Continue to next step.

13. CHECK FOR SHORT IN CAN NO. 2 BUS WIRE (CAN NO. 4 J/C - 4WD CONTROL ECU)

HINT

For 2WD vehicles, go to the next step.

(a) Disconnect the 4WD control ECU connector.

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