Toyota Tundra (2015 year). Manual — part 1474
OK
OK
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000000PDM0T5X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: BASIC INSPECTION; 2015 MY Tundra [08/2014 -
]
BASIC INSPECTION
When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits
this check is essential when performing engine troubleshooting.
1.
CHECK BATTERY VOLTAGE
NOTICE:
Conduct this check with the engine stopped and ignition switch off.
Result
RESULT
PROCEED TO
11 V or more
OK
Below 11 V
NG
NG
CHARGE OR REPLACE BATTERY
2.
CHECK WHETHER ENGINE WILL CRANK
NG
PROCEED TO PROBLEM SYMPTOMS TABLE
3.
CHECK WHETHER ENGINE STARTS
NG
GO TO STEP 6
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: BASIC IN...
OK
OK
OK
OK
4.
CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
(a) Visually check that the air filter is not excessively contaminated with dirt or oil.
NG
REPLACE AIR FILTER
5.
CHECK IDLING SPEED
NG
TROUBLESHOOT IDLING SPEED AND PROCEED
TO NEXT STEP
6.
CHECK FUEL PRESSURE
NG
TROUBLESHOOT FUEL PRESSURE AND PROCEED
TO NEXT STEP
7.
CHECK FOR SPARK
NG
TROUBLESHOOT SPARK AND PROCEED TO NEXT
STEP
OK
PROCEED TO PROBLEM SYMPTOMS TABLE
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: BASIC IN...
Last Modified: 9-16-2014
6.6 M
Doc ID: RM000000PDT0E0X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: REGISTRATION; 2015 MY Tundra [08/2014 - ]
REGISTRATION
NOTICE:
The Vehicle Identification Number (VIN) must be input into the replacement ECM.
HINT:
1. DESCRIPTION
NOTICE:
The Vehicle Identification Number (VIN) must be input into the replacement ECM.
HINT:
ECM to be read in order to confirm that the two VINs, provided with the vehicle and stored in the
vehicle's ECM, are the same.
(b) Write VIN: Explains the VIN writing process in a flowchart. This process allows the VIN to be input into
the ECM. If the ECM is changed, or the ECM VIN and vehicle VIN do not match, the VIN can be
registered, or overwritten in the ECM by following this procedure.
2. READ VIN
(a) Confirm the vehicle VIN.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Powertrain / Engine and ECT / Utility / VIN / VIN Read.
3. WRITE VIN
(a) Confirm the vehicle VIN.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Powertrain / Engine and ECT / Utility / VIN / VIN Write.
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: REGISTRA...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000004U30007X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: INITIALIZATION; 2015 MY Tundra [08/2014 - ]
INITIALIZATION
1. Fuel Density Learning Value Reset
NOTICE:
Performing "Fuel Density Learning Value Reset" initializes the alcohol concentration learned value. If
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Utility / Fuel Density Learning Value Reset.
Value High #1, A/F Learn Value Idle #2, A/F Learn Value Low #2, A/F Learn Value Mid1 #2, A/F Learn
Value Mid2 #2 or A/F Learn Value High #2) in the Data List.
(f) Confirm the following conditions as instructed on the screen.
(1) Ignition switch: ON
(2) Engine: stopped
(3) Battery voltage: 9 V or higher
(g) After confirming, select "Next" and initialize the learned value.
HINT:
If a message indicating learned value initialization failure is displayed on the screen, confirm the
execution conditions, and perform learned value initialization again.
If 0 is displayed for all the air fuel ratio learned values, initialization has completed correctly. If a value
(i) Turn the ignition switch to ON.
(j) Enter the following menus: Powertrain / Engine and ECT / Utility / Fuel Density Learning Value Reset.
HINT:
(1) Ignition switch: ON
(2) Engine: stopped
(3) Battery voltage: 9 V or higher
(l) Press "Next".
HINT:
When "Next" is pressed, initialization is performed automatically.
(m) Turn the ignition switch off.
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: INITIALIZ...
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