2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) P Code Charts Page 1894

(e) Read the DTCs.

Result:

B -- CHECK FOR EXHAUST GAS LEAK

A -- Continue to next step.

2. INSPECT DTC (P0136, P0137, P0138, P0156, P0157 OR P0158)

(a) Inspect the P0136, P0137, P0138, P0156, P0157 or P0158 flowchart.

HINT

- If P0136 or P0156 is output, troubleshoot for that DTC first See: P0136. Then proceed to "INSPECT ECM".

- If P0137 or P0157 is output, troubleshoot for that DTC first See: P0136. Then proceed to "INSPECT ECM".

- If P0138 or P0158 is output, troubleshoot for that DTC first See: P0136. Then proceed to "INSPECT ECM".

- If DTC P0607 and P0136, P0137, P0138, P0156, P0157 or P0158 are output, the output voltage of the heated oxygen sensor

may remain close to 0 V or become high (around 1 V or more).

NEXT -- INSPECT ECM

3. CHECK FOR EXHAUST GAS LEAK

(a) Allow the engine to idle and rev the engine.

(b) Check for exhaust gas leaks around the heated oxygen sensor.

If any exhaust gas leaks are present, repair it and proceed to "PERFORM CONFIRMATION DRIVING PATTERN". If no exhaust

gas leaks are present, proceed to "PERFORM CONFIRMATION DRIVING PATTERN".

HINT

- If no exhaust gas leaks are present, a malfunction in the heated oxygen sensor circuit is suspected.

- If any exhaust gas leaks are present around the heated oxygen sensor, noise appears in the output voltage of the heated oxygen

sensor.

NEXT -- Continue to next step.

4. PERFORM CONFIRMATION DRIVING PATTERN

(a) Clear the DTCs See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing

Diagnostic Trouble Codes/DTC Check / Clear.

(b) Connect the Techstream to the DLC3.

(c) Warm up the engine until the engine coolant temperature becomes 75锟斤拷C (167锟斤拷F) or more.

(d) Perform the driving pattern.

(1) Accelerate the vehicle until 50 mph (80 km/h) and stop the vehicle.

(2) Drive the vehicle between 38 to 50 mph (60 to 80 km/h) for 5 minutes.

(e) Enter the following menus: Powertrain / Engine / Trouble Codes.