Toyota Tundra (2015 year). Manual — part 1142
Connect the Techstream to the DLC3.
1.
Turn the ignition switch to ON.
2.
Turn the Techstream on.
3.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4.
Turn the ignition switch off and wait for at least 30 seconds.
5.
Turn the ignition switch to ON and turn the Techstream on.
6.
Enter the following menus: Powertrain / Engine and ECT / Monitor / O2 Sensor.
7.
Check that the monitor item O2 Sensor is Incomplete.
HINT:
The test values for the test items RL RES RATE B1S1, LR RES RATE B1S1, RL DELAY B1S1, LR
Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher [A].
9.
10.
Check that the monitor item O2 Sensor becomes Complete.
HINT:
Check the test values on the Techstream by entering the following menus: Powertrain / Engine
and ECT / Monitor / O2 Sensor /Details / RL RES RATE B1S1, LR RES RATE B1S1, RL DELAY
B1S1, LR DELAY B1S1, RL RES RATE B2S1, LR RES RATE B2S1, RL DELAY B2S1 and LR DELAY
B2S1.
11.
If the monitor item O2 Sensor does not become Complete (if the test values indicated on the
Techstream do not change), perform Readiness Monitor Drive Pattern for the air fuel ratio sensor and
heated oxygen sensor
.
12.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
13.
Read the pending DTCs.
HINT:
If a pending DTC is output, the system is malfunctioning.
If a pending DTC is not output, perform the following procedure.
14.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
15.
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P014C-P014F...
Input the DTC: P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D.
16.
Check the DTC judgment result.
TESTER
DISPLAY
DESCRIPTION
NORMAL
DTC judgment completed
System normal
ABNORMAL
DTC judgment completed
System abnormal
INCOMPLETE
DTC judgment not completed
Perform driving pattern after confirming DTC enabling conditions
N/A
Unable to perform DTC judgment
HINT:
If the judgment result shows ABNORMAL, the system has a malfunction.
17.
If the test result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and
check for permanent DTCs
.
HINT:
If a permanent DTC is output, the system is malfunctioning.
If no permanent DTC is output, the system is normal.
18.
WIRING DIAGRAM
Refer to DTC P2195
.
INSPECTION PROCEDURE
HINT:
Bank 2 refers to the bank that does not include the No. 1 cylinder.
Sensor 1 refers to the sensor closest to the engine assembly.
Sensor 2 refers to the sensor farthest away from the engine assembly.
PROCEDURE
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P014C-P014F...
A
OK
1.
CHECK FOR ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P014C, P014D, P014E,
P014F, P015A, P015B, P015C OR P015D)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(e) Read the DTCs.
Result
RESULT
PROCEED TO
DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D is output
A
DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D and other DTCs are output
B
HINT:
If any DTCs other than P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D are output,
troubleshoot those DTCs first.
B
GO TO DTC CHART
2.
INSPECT AIR FUEL RATIO SENSOR (HEATER RESISTANCE)
(a) Inspect the air fuel ratio sensor
.
HINT:
Perform "Inspection After Repair" after replacing the air fuel ratio sensor
.
NG
REPLACE AIR FUEL RATIO SENSOR
3.
CHECK HARNESS AND CONNECTOR (AIR FUEL RATIO SENSOR - ECM)
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P014C-P014F...
OK
OK
NEXT
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
4.
CHECK AIR FUEL RATIO SENSOR
(a) Check that the proper air fuel ratio sensor is installed to the vehicle.
HINT:
Perform "Inspection After Repair" after replacing the air fuel ratio sensor
.
NG
REPLACE AIR FUEL RATIO SENSOR
5.
PERFORM CONFIRMATION DRIVING PATTERN
(a) Drive the vehicle according to Confirmation Driving Pattern.
6.
CHECK WHETHER DTC OUTPUT RECURS (DTC P014C, P014D, P014E, P014F, P015A,
P015B, P015C OR P015D)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
(e) Read the DTCs.
Result
RESULT
PROCEED TO
DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D is output
A
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P014C-P014F...
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