Toyota Tundra (2015 year). Manual — part 1951

NEXT

NEXT

GO TO STEP 14

12.

REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

(a) Replace the air cleaner filter element sub-assembly.

NEXT

GO TO STEP 14

13.

CHECK AND REPAIR VVT SYSTEM

(a) Check and repair the VVT system.

HINT:

Refer to DTC P0011 Inspection Procedure

.

14.

CHECK WHETHER DTC OUTPUT RECURS (DTC P050B)

NOTICE:

For this operation, the engine must be cold (the same level as the engine coolant temperature recorded

in the freeze frame data).

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Clear the DTCs

.

(e) Turn the ignition switch off and wait for at least 30 seconds.

(f) Turn the ignition switch to ON and turn the Techstream on.

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

(h) Check that the engine coolant temperature is between - 10°C and 50°C (14 and 122°F).

(i) Start the engine and warm it up.

(j) Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving

Pattern

(k) Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.

(l) Input the DTC: P050B.

(m) Check the DTC judgment result.

Result

3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P050B; Cold S...

NEXT

RESULT

PROCEED TO

NORMAL (DTC is not output)

A

ABNORMAL (DTC P050B is output)

B

B

GO TO STEP 15

A

CHECK INTERMITTENT PROBLEMS

15.

CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER CONNECTOR
CONNECTION)

.

HINT:

Repair any problems.

16.

CHECK WHETHER DTC OUTPUT RECURS (DTC P050B)

NOTICE:

For this operation, the engine must be cold (the same level as the engine coolant temperature recorded

in the freeze frame data).

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Clear the DTCs

.

(e) Turn the ignition switch off and wait for at least 30 seconds.

(f) Turn the ignition switch to ON and turn the Techstream on.

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

(h) Check that the engine coolant temperature is between - 10°C and 50°C (14 and 122°F).

(i) Start the engine and warm it up.

(j) Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving

Pattern

(k) Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.

(l) Input the DTC: P050B.

(m) Check the DTC judgment result.

3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P050B; Cold S...

A

OK

NEXT

Result

RESULT

PROCEED TO

ABNORMAL (DTC P050B is output)

A

NORMAL (DTC is not output)

B

B

END

17.

CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

18.

REPLACE MASS AIR FLOW METER

(a) Replace the mass air flow meter

.

HINT:

.

19.

CHECK WHETHER DTC OUTPUT RECURS (DTC P050B)

NOTICE:

For this operation, the engine must be cold (the same level as the engine coolant temperature recorded

in the freeze frame data).

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Clear the DTCs

.

3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P050B; Cold S...

(e) Turn the ignition switch off and wait for at least 30 seconds.

(f) Turn the ignition switch to ON and turn the Techstream on.

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

(h) Check that the engine coolant temperature is between - 10°C and 50°C (14 and 122°F).

(i) Start the engine and warm it up.

(j) Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving

Pattern

(k) Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.

(l) Input the DTC: P050B.

(m) Check the DTC judgment result.

Result

RESULT

PROCEED TO

NORMAL (DTC is not output)

A

ABNORMAL (DTC P050B is output)

B

B

REPLACE ECM

A

END

3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P050B; Cold S...