2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) U CODE Page 253

(b) While observing the resistance value shown on the tester, reconnect the each ECU connector until the resistance becomes abnormal

(Below 54 Ohms).

(c) Replace the ECU that caused the total resistance to drop below 54 Ohms when it was reconnected.

HINT

If the resistance becomes abnormal when an ECU connector is reconnected, there may be a short in the ECU.

NEXT -- REPLACE ECU

Part 2

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

(a) Reconnect the CAN No. 4 junction connector.

(b) Disconnect the CAN No. 5 junction connector.

Text in Illustration

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

Standard Resistance:

NG -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 4 J/C - CAN NO. 5 J/C)

OK -- REPLACE CAN NO. 5 JUNCTION CONNECTOR

21. CHECK FOR SHORT IN CAN NO. 2 BUS WIRE (POWER MANAGEMENT CONTROL ECU)

(a) Disconnect the power management control ECU connector.

Text in Illustration

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