2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) P Code Charts Page 541

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(b) Disconnect the engine coolant temperature sensor connector.

(c) Connect terminals THW and E2 of the engine coolant temperature sensor connector on the wire harness side.

(d) Connect the Techstream to the DLC3.

(e) Turn the engine switch on (IG).

(f) Turn the Techstream on.

(g) Enter the following menus: Powertrain / Engine / Data List / Coolant Temp.

(h) Read the value displayed on the Techstream.

Standard:

140锟斤拷C (284锟斤拷F) or more

(i) Reconnect the engine coolant temperature sensor connector.

NG -- CHECK HARNESS AND CONNECTOR (ENGINE COOLANT TEMPERATURE SENSOR - ECM)

OK -- REPLACE ENGINE COOLANT TEMPERATURE SENSOR See: Engine, Cooling and Exhaust/Cooling System/Engine -

Coolant Temperature Sensor/Switch/Engine Temperature Sensor/Service and Repair/Removal

3. CHECK HARNESS AND CONNECTOR (ENGINE COOLANT TEMPERATURE SENSOR - ECM)

(a) Disconnect the engine coolant temperature sensor connector.

(b) Disconnect the ECM connector.

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

Standard Resistance (Check for Open):