2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) P Code Charts Page 546

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

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

(e) Read the value displayed on the Techstream.

Standard:

Same as actual engine coolant temperature.

Result:

HINT

- If there is an open circuit, the Techstream indicates -40锟斤拷C (-40锟斤拷F).

- If there is a short circuit, the Techstream indicates 140锟斤拷C (284锟斤拷F) or more.

C -- CHECK FOR INTERMITTENT PROBLEMS

B -- READ VALUE USING TECHSTREAM (CHECK FOR SHORT IN WIRE HARNESS)

A -- Continue to next step.

2. READ VALUE USING TECHSTREAM (CHECK FOR OPEN IN WIRE HARNESS)

(a) Confirm good connection at the engine coolant temperature sensor connector.

Text in Illustration

(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